Short Term USD Emerging Markets Bond ETF; Inflation Expectations ETF; CDS Short North American HY Credit ETF; Crude Oil Strategy ETF and Short or Ultra Fixed Income ProShares Funds    2:30 p.m. (3:00 p.m., if transmitted by mail; except 4:00 p.m., if transmitted by mail on behalf of Short High Yield ETF or Ultra High Yield ETF) in order to receive that day’s closing NAV per Share
Each of the Managed Futures Strategy ETF, the Crude Oil Strategy ETF, the Bitcoin Futures Strategy ETF, the Short Bitcoin Futures Strategy ETF, the Blockchain/Bitcoin Strategy ETF, and the Bitcoin Futures/Equity Strategy ETF (each, a “Parent Fund”) intends to achieve commodity exposure through investment in the ProShares Cayman Portfolio I, the ProShares Cayman Crude Oil Portfolio, the ProShares Cayman Bitcoin Futures Strategy Portfolio the ProShares Cayman Short Bitcoin Futures Strategy Portfolio, the ProShares Cayman Bitcoin Futures/Equity Strategy Portfolio and the ProShares Cayman Bitcoin/Blockchain Strategy Portfolio respectively, each a wholly-owned subsidiary of its respective Parent Fund (each, a “Subsidiary”) organized under the laws of the Cayman Islands. Each Parent Fund’s investment in its respective Subsidiary is intended to provide such Parent Fund with exposure to commodity and financial markets in accordance with applicable rules and regulations. Each Subsidiary may invest in derivatives, including futures, forwards, option and swap contracts, notes and other investments intended to serve as margin or collateral or otherwise support the Subsidiary’s derivatives positions. Neither Subsidiary is registered under the 1940 Act, and neither Subsidiary will have all of the protections offered to investors in RICs. The Board, however, has oversight responsibility for the investment activities of each Parent Fund, including its investment in its respective Subsidiary, and the Parent Fund’s role as the sole shareholder of the Subsidiary.
Jordan Kelley, founder of Robocoin, launched the first bitcoin ATM in the United States on 20 February 2014. The kiosk installed in Austin, Texas is similar to bank ATMs but has scanners to read government-issued identification such as a driver's license or a passport to confirm users' identities.[60] By September 2017, 1,574 bitcoin ATMs had been installed around the world with an average fee of 9.05%. An average of 3 bitcoin ATMs were being installed per day in September 2017.[61]
All Shares of the Trust are freely transferable. The Shares do not have preemptive rights or cumulative voting rights, and none of the Shares have any preference to conversion, exchange, dividends, retirements, liquidation, redemption or any other feature. Shares have equal voting rights, except that, in a matter affecting a particular series or class of Shares, only Shares of that series or class may be entitled to vote on the matter. Trust shareholders are entitled to require the Trust to redeem Creation Units of their Shares. The Declaration of Trust confers upon the Board of Trustees the power, by resolution, to alter the number of Shares constituting a Creation Unit or to specify that Shares may be individually redeemable. The Trust reserves the right to adjust the stock prices of Shares to maintain convenient trading ranges for investors. Any such adjustments would be accomplished through stock splits or reverse stock splits which would have no effect on the net assets of the applicable Fund.
Decentralized cryptocurrency is produced by the entire cryptocurrency system collectively, at a rate which is defined when the system is created and which is publicly known. In centralized banking and economic systems such as the Federal Reserve System, corporate boards or governments control the supply of currency by printing units of fiat money or demanding additions to digital banking ledgers. In case of decentralized cryptocurrency, companies or governments cannot produce new units, and have not so far provided backing for other firms, banks or corporate entities which hold asset value measured in it. The underlying technical system upon which decentralized cryptocurrencies are based was created by the group or individual known as Satoshi Nakamoto.[28]
In addition, the Advisor, its affiliates and principals may trade for their own accounts. Consequently, non-customer and proprietary trades may be executed and cleared through any prime broker or other broker utilized by clients. It is possible that officers or employees of the Advisor may buy or sell securities or other instruments that the Advisor has recommended to, or purchased for, its clients and may engage in transactions for their own accounts in a manner that is inconsistent with the Advisor’s recommendations to a client. Personal securities transactions by employees may raise potential conflicts of interest when such persons trade in a security that is owned by, or considered for purchase or sale for, a client. The Advisor has adopted policies and procedures designed to detect and prevent such conflicts of interest and, when they do arise, to ensure that it effects transactions for clients in a manner that is consistent with its fiduciary duty to its clients and in accordance with applicable law.
Each Fund intends to invest in bitcoin futures contracts. The Funds will not invest directly in bitcoin and are not benchmarked to the current price of bitcoin. The value of the bitcoin futures contracts is generally based on the expected value of bitcoin at a future point in time, specifically, the expiration date of the bitcoin futures contracts. Other factors, such as cost of mining, storing and securing bitcoin may affect the value of bitcoin futures. A change in the price of bitcoin today (sometimes referred to as the “spot” price) will not necessarily result in a corresponding movement in the price of the bitcoin futures contracts since the price of the bitcoin futures contracts is based on expectations of the price of bitcoin at a future point in time. Additionally, there is no one centralized source for pricing bitcoin and pricing from one bitcoin exchange to the next can vary widely. Additionally, each Fund has the ability to invest in, or take a short position in, bitcoin futures contracts offered by CFE or CME, each of which uses a different exchange, or exchanges, to determine the value of bitcoin, which may lead to material differences in the value of the bitcoin futures contracts offered by CFE and CME. As a result, each Fund should be expected to perform very differently from the performance of the spot price of bitcoin (or the inverse of such performance) over all periods of time.
Capital losses in excess of capital gains (“net capital losses”) are not permitted to be deducted against a Fund’s net investment income. Instead, potentially subject to certain limitations, a Fund may carry net capital losses forward from any taxable year to subsequent taxable years to offset capital gains, if any, realized during such subsequent taxable years. Distributions from capital gains are generally made after applying any available capital loss carryforwards. Capital loss carryforwards are reduced to the extent they offset current-year net realized capital gains, whether the Funds retain or distribute such gains. If a Fund incurs or has incurred net capital losses in taxable years beginning after December 22, 2010 (post-2010 losses), those losses will be carried forward to one or more subsequent taxable years, and will be treated as realized on the first day of the taxable year in which it is used to reduce capital gain, without expiration; any such carryforward losses will generally retain their character as short-term or long-term and will be applied first against gains of the same character before offsetting gains of a different character (e.g., net capital losses resulting from previously realized net long-term losses will first offset any long-term capital gain, with any remaining amounts available to offset any net short-term capital gain). If a Fund incurred net capital losses in a taxable year beginning on or before December 22, 2010 (“pre-2011 losses”), the Fund is permitted to carry such losses forward for eight taxable years; in the year to which they are carried forward, such losses are treated as short-term capital losses that first offset any short-term capital gains, and then offset any long-term capital gains. A Fund must use any post-2010 losses, which will not expire, before it uses any pre-2011 losses. This increases the likelihood that pre-2011 losses will expire unused at the conclusion of the eight-year carryforward period.
Bitcoin is maintained on the decentralized, open source protocol of the peer-to-peer bitcoin computer network (the “Bitcoin Network”). No single entity owns or operates the Bitcoin Network. The infrastructure of the Bitcoin Network is collectively maintained by a decentralized user base. The Bitcoin Network is accessed through software, and software governs bitcoin’s creation, movement, and ownership. The value of bitcoin is determined in great part by the supply of (which is limited), and demand for, bitcoin in the global exchange markets for the trading of bitcoin (individually, “Bitcoin Exchanges” and collectively, the “Bitcoin Exchange Market”), market expectations for the adoption of bitcoin and the volume of private user-to-user transactions.
The policy for each Fund regarding purchases and sales of securities is that primary consideration will be given to obtaining the most favorable prices and efficient executions of transactions. Consistent with this policy, when securities transactions are effected on a stock exchange, the policy is to pay commissions that are considered fair and reasonable without necessarily determining that the lowest possible commissions are paid in all circumstances. The Advisor believes that a requirement always to seek the lowest possible commission cost could impede effective portfolio management and preclude the Fund and the Advisor from obtaining a high quality of brokerage and execution services. In seeking to determine the reasonableness of brokerage commissions paid in any transaction, the Advisor relies upon its experience and knowledge regarding commissions generally charged by various brokers and on its judgment in evaluating the brokerage and execution services received from the broker. Such determinations are necessarily subjective and imprecise, as in most cases an exact dollar value for those services is not ascertainable. In addition to commission rates, when selecting a broker for a particular transaction, the Advisor considers but is not limited to the following efficiency factors: the broker’s availability, willingness to commit capital, reputation and integrity, facilities reliability, access to research, execution capacity and responsiveness.
Today’s article is all about the cryptocurrency trading strategy that you’ve probably been hearing so much about. There are tons of cryptocurrency trading strategies that promise to make you rich. Our team at Trading Strategy Guides understands that now everyone wants a piece of the pie and that is the reason why we have put together the best Bitcoin trading strategy PDF. We have also created a complete strategy article that has a list of all of the best trading strategies we have created.
YOU SHOULD CAREFULLY CONSIDER WHETHER SUCH TRADING IS SUITABLE FOR YOU IN LIGHT OF YOUR CIRCUMSTANCES AND FINANCIAL RESOURCES. YOU SHOULD READ THE "RISK DISCLOSURE" WEBPAGE ACCESSED AT WWW.FUTURESONLINE.COM AT THE BOTTOM OF THE HOMEPAGE. FUTURESONLINE IS NOT AFFILIATED WITH NOR DOES IT ENDORSE ANY TRADING SYSTEM, NEWSLETTER OR OTHER SIMILAR SERVICE. FUTURESONLINE DOES NOT GUARANTEE OR VERIFY ANY PERFORMANCE CLAIMS MADE BY SUCH SYSTEMS OR SERVICES.
Whether a Fund realizes a gain or loss from futures activities depends generally upon movements in the underlying currency, commodity, security or index. The extent of a Fund’s loss from an unhedged short position in futures contracts or from writing options on futures contracts is potentially unlimited, and investors may lose the amount that they invest plus any profits recognized on their investment. The Funds may engage in related closing transactions with respect to options on futures contracts. The Funds will engage in transactions in futures contracts and related options that are traded on a U.S. exchange or board of trade or that have been approved for sale in the U.S. by the Commodity Futures Trading Commission (“CFTC”).
In a possible lead-up to its plans on becoming an ATS, on March 26, 2018, San Francisco-based Coinbase announced it was adding support for ERC20 into all its trading platforms. ERC20 is the Ethereum technical standard that the majority of ICO tokens are based on. “This paves the way for supporting ERC20 assets across Coinbase products in the future, though we aren’t announcing support for any specific assets or features at this time,” Coinbase said in a blog post.
The Bitcoin Network and bitcoin, as an asset, currently hold a “first-to-market” advantage, often referred to as a “network effect,” over other digital assets. This first-to-market advantage has resulted in the Bitcoin Network evolving into the most well developed network of any digital asset. The Bitcoin Network enjoys the largest user base of any digital asset and, more importantly, the largest combined mining power in use to secure the Bitcoin Blockchain. Having a large mining network enhances user confidence regarding the security of the Bitcoin Blockchain and long-term stability of the Bitcoin Network. Despite the marked network effect advantage of the Bitcoin Network over other digital assets, it is possible that real or perceived shortcomings in the Bitcoin Network, technological, regulatory or other developments could result in a decline in popularity and acceptance of bitcoin and the Bitcoin Network.
reporting systems. As of October 2016, the Advisor has separate arrangements to make payments, other than for the educational programs and marketing activities described above, to Charles Schwab & Co., Inc. and Raymond James Financial Services, Inc. (the “Firms”). Pursuant to the arrangements with the Firms, the Firms agreed to promote certain ProShares ETFs to each Firm’s customers and not to charge certain of their customers any commissions when those customers purchase or sell shares of certain ProShares ETFs. These payments, which may be significant, are paid by the Advisor from its own resources and not from the assets of the Funds. A discussion regarding the basis for the Board of Trustees approving the Advisory Agreement of the Trust will be (or is) available in the Trust’s Annual and/or Semi-Annual Report to shareholders. The Investment Advisory fees paid, as well as any amounts reimbursed pursuant to the Expense Limitation Agreement, for the fiscal years ended May 31, 2015, May 31, 2016 and May 31, 2017 for each Fund that was operational as of each date are set forth below. Because each of the New Funds was not operational at the end of the Trust’s last fiscal year, information on investment advisory fees paid by the Fund is not included in this SAI.

  •   Intellectual property rights claims may adversely affect the operation of the Bitcoin Network. Third parties may assert intellectual property rights claims relating to the operation of the Bitcoin Network. Regardless of the merit of any intellectual property or other legal action, any threatened action that reduces confidence in the Bitcoin Network’s long-term viability or the ability of end-users to hold and transfer bitcoin may adversely affect the price of bitcoin and adversely affect the price of the Bitcoin Futures Contracts held by the Fund.
Futures trading is not suitable for all investors and involves the risk of loss. The risk of loss in futures can be substantial. You should, therefore, carefully consider whether such trading is suitable for you in light of your circumstances and financial resources. For additional information regarding futures trading risks, see the Risk Disclosure Statement set forth in CFTC Regulation §1.55(b). The information on this website is provided solely for general education and information purposes and therefore should not be considered complete, precise, or current. Many of the matters discussed are subject to detailed rules, regulations, and statutory provisions which should be referred to for additional detail and are subject to changes that may not be reflected in the website information. No statement within the website should be construed as a recommendation to buy or sell a futures product or to provide investment advice. The inclusion of non-Cboe advertisements on the website should not be construed as an endorsement or an indication of the value of any product, service, or website. The Terms and Conditions govern use of this website and use of this website will be deemed acceptance of those Terms and Conditions.
Consistent with a client’s investment objective, the Advisor may enter into guarantee close agreements with certain brokers. In all such cases, the agreement calls for the execution price at least to match the closing price of the security. In some cases, depending upon the circumstances, the broker may obtain a price that is better than the closing price and which under the agreement provides additional benefits to clients. The Advisor will generally distribute such benefits pro rata to applicable client trades.
•   In order to qualify for the special tax treatment accorded a regulated investment company (“RIC”) and its shareholders, a Fund must derive at least 90% of its gross income for each taxable year from “qualifying income,” meet certain asset diversification tests at the end of each taxable quarter, and meet annual distribution requirements. A Fund’s pursuit of its investment strategies will potentially be limited by the Fund’s intention to qualify for such treatment and could adversely affect the Fund’s ability to so qualify. A Fund can make certain investments, the treatment of which for these purposes is unclear. If, in any year, a Fund were to fail to qualify for the special tax treatment accorded a RIC and its shareholders, and were ineligible to or were not to cure such failure, the Fund would be taxed in the same manner as an ordinary corporation subject to U.S. federal income tax on all its income at the fund level. The resulting taxes could substantially reduce the Fund’s net assets and the amount of income available for distribution. In addition, in order to requalify for taxation as a RIC, the Fund could be required to recognize unrealized gains, pay substantial taxes and interest, and make certain distributions. Please see the Statement of Additional Information for more information.
One of the biggest issues for institutional investors is the fragmented nature of the market, requiring them to operate on several exchanges. Often, this forces them to come up with customized ways to deal with the limitations of each exchange — a time-consuming and frustrating exercise. Not only that, but this can lead to liquidity and slippage problems, as even small trades can consume liquidity and cause prices to slip.

Slippage is when the actual price we execute at is different from what we expect. In this case, a perfect market would let us sell the bitcoin and settle the future at precisely the same time and price. But in practice, market imperfections and Bitcoin volatility could lead to the price moving between the two trades, wiping out profits or putting you in the red.


Localbitcoins is the portal that exchanges trades between person to person where you interact with the seller directly. On this platform, people from different countries can exchange their local currency to bitcoins. The site is suggested for casual traders seeking more privacy. The site uses an escrow system and the transfer of bitcoin is made after funds are received in the sellers account. Registering, buying and selling is completely free on localbitcoins while local bitcoin users who create advertisements charges 1% fee for every completed trade.
A Fund may in its discretion exercise its option to redeem such Shares in cash, and the redeeming shareholder will be required to receive its redemption proceeds in cash. In addition, an investor may request a redemption in cash which a Fund may, in its sole discretion, permit. In either case, the investor will receive a cash payment equal to the NAV of its Shares based on the NAV of Shares of the relevant Fund next determined after the redemption request is received in proper form (minus a redemption Transaction Fee and additional charge for requested cash redemptions, to offset the Fund’s brokerage and other transaction costs associated with the disposition of Fund Securities).

•   Credit Risk — The Fund could lose money if the issuer or guarantor of a fixed-income instrument or a counterparty to a derivatives transaction or other transaction is, or is perceived to be, unable or unwilling to pay interest, repay principal on time, or defaults. The value of an investment in the Fund may change quickly and without warning as a result of issuer defaults or actual or perceived changes in the credit ratings of the Fund’s portfolio investments or to an issuer’s financial strength.
•	 	A Fund’s income from or the proceeds of dispositions of its non-U.S. investments may be subject to withholding and other taxes imposed by foreign countries, which will reduce the Fund’s return on and taxable distributions in respect of its non-U.S. investments. Tax conventions between certain countries and the United States may reduce or eliminate these taxes. If more than 50% of the value of a Fund’s total assets at the close of a taxable year consists of securities of foreign corporations, the Fund will be eligible to elect to “pass through” to you foreign income taxes that it has paid. If this election is made, you will be required to include your share of those taxes in gross income as a distribution from the Fund and you generally will be allowed to claim a credit (or a deduction, if you itemize deductions) for these amounts on your federal U.S. income tax return, subject to certain limitations.

"It's certainly not a scam," cryptocurrency startup Centra's general counsel said last month about its $30 million initial coin offering, which is not a sentence you'd ideally want your general counsel to have to say to the press. (He said it after Centra's co-founders left the company due to a New York Times profile describing their run-ins with the law and pointing to possibly inaccurate statements about their ICO, which was touted by Floyd Mayweather and DJ Khaled and which, again, raised $30 million.)

The Fund may invest in stocks of large-cap companies. Although returns on investments in large-cap companies are often perceived as being less volatile than the returns of companies with smaller market capitalizations, the return on large-cap securities could trail the returns on investments in smaller and mid-sized companies for a number of reasons. For example, large-cap companies may be unable to respond quickly to new competitive challenges, such as changes in technology, and also may not be able to attain the high growth rate of successful smaller companies.


Jump up ^ "Bitcoin: The Cryptoanarchists' Answer to Cash". IEEE Spectrum. Archived from the original on 4 June 2012. Around the same time, Nick Szabo, a computer scientist who now blogs about law and the history of money, was one of the first to imagine a new digital currency from the ground up. Although many consider his scheme, which he calls “bit gold,” to be a precursor to Bitcoin
The validity of each cryptocurrency's coins is provided by a blockchain. A blockchain is a continuously growing list of records, called blocks, which are linked and secured using cryptography.[28][31] Each block typically contains a hash pointer as a link to a previous block,[31] a timestamp and transaction data.[32] By design, blockchains are inherently resistant to modification of the data. It is "an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way".[33] For use as a distributed ledger, a blockchain is typically managed by a peer-to-peer network collectively adhering to a protocol for validating new blocks. Once recorded, the data in any given block cannot be altered retroactively without the alteration of all subsequent blocks, which requires collusion of the network majority.

Futures contracts derive their value from an asset and more or less follow the movements of the underlying commodity, in our case: bitcoin. They ultimately settle at price of the commodity in the future on a particular exchange, or an index that represents a basket of prices at different exchanges.  So if you have a weekly future's contract and you don't want to sell out of it on the market,  then it will expire at the price at a specific time when Friday comes and if you want to maintain your position you must re-open on the new contract period. In the weekly example, if a contract is issued at April 14, 2017, it dies on April 21, 2017. If you buy the contract at a price of $1,100 and you don't sell it for the whole week, and the price ends on April 21 at $1,200, then you profit.
The audited Financial Statements, for each Fund that commenced operations prior to May 31, 2017, and the report of PricewaterhouseCoopers LLP, as independent registered public accounting firm, for the fiscal year ended May 31,2017, that appear in the Annual Report to shareholders dated May 31, 2017, are hereby incorporated by reference in this SAI. The Annual Report to shareholders is delivered with this SAI to shareholders requesting this SAI.
ProShare Advisors, located at 7501 Wisconsin Avenue, Suite 1000E, Bethesda, Maryland 20814, serves as the investment adviser to the fund and provides investment advice and management services to each Fund. ProShare Advisors oversees the investment and reinvestment of the assets in each Fund. Pursuant to the Investment Advisory and Management Agreement between ProShare Advisors and the Trust (entered into on behalf of each Fund), ProShare Advisors is responsible for substantially all expenses of the Fund, except interest expenses, taxes, brokerage and other transaction costs, compensation and expenses of the Independent Trustees, compensation and expenses of counsel to the Independent Trustees, compensation and expenses of the Trust’s chief compliance officer and his or her staff, future distribution fees or expenses, and extraordinary expenses. For its investment advisory and management services, ProShares Bitcoin Futures Strategy ETF pays ProShare Advisors a fee at an annualized rate of     % of average daily net assets of the Fund; ProShares Short Bitcoin Futures Strategy ETF pays ProShare Advisors a fee at an annualized rate of    % of average daily net assets of the Fund; ProShares Bitcoin Futures/Equity Strategy ETF pays ProShare Advisors a fee at an annualized rate of    % of average daily net assets of the Fund; and ProShares Bitcoin/Blockchain Strategy ETF pays ProShare Advisors a fee at an annualized rate of    % of average daily net assets of the Fund. A discussion regarding the basis for the Board approving the investment advisory and management agreement for each Fund will be included in the Trust’s semi-annual or annual report to shareholders that covers the period during which the approval occurred.
Bitcoin isn’t just an unknown commodity: it will always be an unknown commodity. Bitcoin doesn’t have the fundamentals that investors typically use to analyze an asset. Most stocks or bonds can be analyzed based on some trait of the instrument. Stocks have P/E ratios and dividends, for example, while bonds have return percentages. Bitcoin has no fundamentals that can be easily measured.
A dividend or Capital Gain Dividend with respect to shares of a Fund held by a tax-deferred or qualified plan, such as an IRA, retirement plan, or corporate pension or profit sharing plan, generally will not be taxable to the plan. Distributions from such plans will be taxable to individual participants under applicable tax rules without regard to the character of the income earned by the qualified plan. Shareholders should consult their tax advisors to determine the suitability of shares of a Fund as an investment through such plans and the precise effect of an investment on their particular situation.
The CME Group contract (symbol “BTC”) began trading on December 18, 2017, building off of the success of the BRR and demand for a regulated trading venue for the digital asset market. The contract is cash-settled, based on the CME CF Bitcoin Reference Rate (BRR) which serves as a once-a-day reference rate of the U.S. dollar price of bitcoin. Bitcoin futures are listed on and subject to the rules of CME.2
Cryptocurrencies allow traders to diversify their investment portfolio, as their price is mainly determined by demand and supply; Their value has a low correlation to national economies or political scenarios. Once Bitcoin surpassed the price of gold in 2017, US markets introduced 2 ETFs on Bitcoin and drew more and more institutional money into the world of cryptocurrencies. In 2017, Indian PM Narendra Modi has announced the gradual replacement of paper currency with electronic currency; In March 2018, the Marshall Islands announced that they would be introducing a cryptocurrency to replace US dollars as their main currency; other central banks are investigating the adoption of blockchain-like technologies… in short cryptocurrencies are probably here to stay. A growing number of crypto investors all over the world have already discovered the benefits:
William E. Seale, Ph.D., Chief Economist of ProShare Advisors since inception and ProFund Advisors LLC since 2005. Dr. Seale has more than 30 years of experience in the financial markets. His background includes a five-year presidential appointment as a commissioner of the U.S. Commodity Futures Trading Commission and an appointment as Chairman of the Department of Finance at The George Washington University. He earned his degrees at the University of Kentucky.

There is no registry showing which individuals or entities own bitcoin or the quantity of bitcoin that is owned by any particular person or entity. It is possible, and in fact, reasonably likely, that a small group of early bitcoin adopters hold a significant proportion of the bitcoin that has been thus far created. There are no regulations in place that would prevent a large holder of bitcoin from selling their bitcoin, which could depress the price of bitcoin and have an adverse effect on an investment in the Funds which do not take a short position in bitcoin futures contracts.


Market makers are challenged in fast markets—when either buyers or sellers are dominating and prices are moving rapidly. When this happens market makers are obligated to continue quoting bid and ask prices that maintain some semblance of an orderly market. If they start accumulating uncomfortably large net long or short inventories they may start hedging their positions to protect themselves. For example, if they are short Bitcoin futures they can buy Bitcoin futures with different expirations or directly buy Bitcoins to hedge their positions. The hedged portion of the market maker’s portfolio is not sensitive to Bitcoin price movements—their profit/losses on the short side are offset by their long positions.
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