The Bitcoin question library
Bitcoin Q’s.
Understand Bitcoin. Know what you own.
Clear, sourced answers for Bitcoin investors: buying and securing bitcoin, ETFs, treasury companies and mNAV, digital credit and preferred shares, income funds, living off Bitcoin, options and market cycles. Search any question, pick a topic, or start with the questions below. Every answer links to its primary sources.
- Questions
- 152
- Topics
- 15
- Guides
- 17
Questions
Options & leverage10
Topic guideQ132Why can a call option lose money even when Bitcoin or the underlying stock rises?
A call needs enough favorable movement to overcome its cost and other changes in option value. Before expiry, falling implied volatility and time decay can offset gains in the underlying. At expiry, a long call's breakeven is its strike plus the premium paid, before fees.
For a hypothetical call with a $100 strike bought for $10 per share, an underlying price of $108 at expiry produces only $8 of value. The underlying has risen from $100, but the option buyer has lost $2 per share before costs. This example assumes a standard unadjusted contract and ignores dividends and exercise costs. Being right about direction is therefore insufficient: magnitude, timing, entry price and the exact underlying all affect the result.
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Q133How should I assess expiry, delta, implied volatility and time decay before buying LEAPS?
Evaluate LEAPS as expiring contracts with a range of outcomes, not as permanent substitutes for shares. Expiry sets the deadline; the strike and premium determine the payoff; delta estimates local sensitivity to the underlying; implied volatility and time decay affect value before expiry.
A delta of 0.70 suggests an approximately $0.70 option-price change for a small $1 underlying move, other inputs unchanged. It is not a fixed leverage ratio or guaranteed probability of profit. Long-dated options can have substantial sensitivity to implied volatility, and their time value still expires. Model flat, rising and falling markets at several dates, including a late recovery. Also check the spread, contract multiplier, exercise funding and the cost of any proposed roll into a later expiry.
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Q135When can protective puts help, and what does the protection cost over time?
A protective put can limit the downside of a matching share position during the option's life by providing a right to sell at a specified strike. The protection costs an upfront premium and expires; maintaining it requires further decisions and potentially repeated costs.
For hypothetical shares bought at $100 and a matching $90 put costing $4, the combined expiry loss is limited to $14 per share before costs, provided the position and exercise mechanics remain intact. The shares can still rise, but the premium reduces the net gain. A put on MSTR is not exact protection for Bitcoin or a preferred share because their prices can diverge. Check the underlying, contract size, expiry and operational ability to exercise or sell the put when protection is needed.
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Q136How do margin requirements and forced liquidation change a Bitcoin-linked portfolio?
Margin creates a loan secured by portfolio assets, so a falling account value can trigger forced sales rather than simply a paper loss. Brokers can impose house requirements above regulatory minimums, change requirements and liquidate positions under the account agreement, sometimes without advance notice.
For illustration, $100,000 of assets financed with a $40,000 loan leaves $60,000 equity. If assets fall to $60,000, equity falls to $20,000, or one-third of assets, before interest. A hypothetical 40% maintenance requirement would then be breached. The broker's actual rules determine the response. Concentrated Bitcoin-linked assets can fall together, and raising cash by selling another position may be difficult during the same stress. A long investment horizon does not prevent a lender from enforcing today's requirement.
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Q137Why can leveraged Bitcoin or MSTR ETFs fail to deliver twice the long-term return?
Most leveraged Bitcoin or MSTR funds target a multiple of daily returns, not a multiple of the return from your purchase date to your eventual sale. Daily rebalancing and compounding make the path matter; fees, financing and tracking differences also affect results.
In a simplified example, an underlying rises 10% and then falls 9.09%, ending near its starting value. A perfect 2x daily fund rises 20% and then falls 18.18%, ending about 1.82% lower before costs. A persistent trend can produce a different relationship, so the issue is not inevitable decay in every period. Read the fund's reset objective and stress-test its actual holding period. Doubling a long-term forecast for Bitcoin or MSTR does not describe a daily leveraged fund's expected outcome.
Q138How does short-sale volume differ from short interest?
Short-sale volume counts transactions marked as short sales during a period; short interest measures open short positions at specified reporting dates. They are a flow and a snapshot, respectively. Adding daily short-sale volume does not reveal how many shares remain short.
For example, a participant can sell 1,000 shares short and buy back 1,000 later the same day. The short sale contributes to that day's volume but leaves no open position from that trade at the end. FINRA's daily files also have defined venue and reporting coverage and are not automatically all-market totals. A high short-volume percentage alone does not identify a manipulator, demonstrate persistent bearish positioning or establish a future short squeeze. Check definitions, dates and the reporting source.
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Q139What can public data actually tell me about ATM selling, short sellers and who is selling?
Public data can document disclosed issuance and reported positions, but usually cannot identify the beneficial seller behind each market trade. An ATM authorization or prospectus states permitted capacity; issuer reports disclose actual sales over their stated periods. Capacity is not proof that those shares were sold today.
Short-interest snapshots and short-sale volume provide different, limited information. Neither lets you reliably label every falling-price session as issuer selling, hedge-fund selling or manipulation. Compare dated issuer filings, share-count changes and reported financing proceeds, allowing for settlement and publication timing. Treat an attribution as unverified unless the evidence supports it directly. A price chart, large trade or elevated short-volume percentage can motivate a question without establishing who sold or why.
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Q140How do bid-ask spreads, liquidity and open interest affect my real options entry and exit prices?
Your executable price depends on the bid, ask, available size and current market conditions, not just the last trade or a theoretical midpoint. A wide spread can create a substantial cost on entry and exit. Open interest counts outstanding contracts but does not guarantee a tight market or available size when you need it.
If a hypothetical option is quoted $4.80 bid and $5.20 ask, buying at the ask and immediately selling at the unchanged bid loses $0.40 per share, or $40 for a standard 100-share contract, before fees. Limit orders control the acceptable price but may not fill. Check live quotes, contract adjustments and depth for your order size, and consider how liquidity might worsen during a sharp move or near expiry.
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Go deeper · 17 guides
Deep-dive guides.
Longer explanations with comparison tables, worked hypothetical examples and primary sources.
Topic guides15
- Bitcoin basicsBitcoin fundamentals: value, scarcity and the investment thesisUnderstand what Bitcoin provides, what scarcity does and how to assess a long-term investment thesis without relying on a price prediction.4 min
- Buying & custodyBuying and storing Bitcoin: a practical start-to-finish guideCompare providers, choose custody, rehearse transfers and keep the records and exit route you will need later.5 min
- Security & inheritanceBitcoin security and inheritance: make recovery work for your familyBuild a practical plan for backups, multisig, incapacity and inheritance so that authorised people can recover access safely.5 min
- ETFs & conversionsBitcoin ETFs and in-kind conversions: ownership, access and tax questionsUnderstand spot funds, compare their costs and distinguish everyday share trading from an eligible intermediary-assisted Bitcoin conversion.4 min
- Portfolio & retirementBitcoin in a retirement portfolio: spending, risk and account choicesAssess Bitcoin exposure against spending needs, stress scenarios, retirement-account rules and a practical plan for reviewing risk.5 min
- MSTR & valuationMSTR valuation and mNAV: what the numbers actually tell youUnderstand gross and net backing, changing mNAV definitions, premium compression and the difference between accounting gains and cash.4 min
- Bitcoin per shareBitcoin per share versus shareholder returnsSee why Bitcoin per share remains useful, when issuance can be accretive, and why investors can still lose money as the metric rises.5 min
- Buybacks & share countBitcoin buybacks, share scarcity and returning to old highsCompare discounted common buybacks, preferred repurchases and new issuance, and understand what a return to an old share price really requires.5 min
- Treasury comparisonsMSTR, ASST, Metaplanet, Smarter Web and BMNR: comparing treasury companiesBuild a consistent comparison of assets, financing, common-shareholder backing, foreign listings and ETH staking without treating every treasury stock as interchangeable.5 min
- Digital creditBitcoin digital credit: where the income comes from and what you ownUnderstand corporate preferred shares, personal Bitcoin-backed borrowing, payment priority and the difference between asset coverage and spendable cash.5 min
- Preferred sharesSTRC, STRF, STRK, STRD, SATA and SATS comparedCompare the issuers, dividend rights, conversion features, redemption risks and dated payment schedules before treating a preferred as an income investment.5 min
- Income fundsBitcoin income funds: distributions, total return and capital preservationUnderstand MSTY, BITA and their benchmarks, separate payout rates from profit, and compare the cash received with the value left behind.5 min
- Living off BitcoinLiving off Bitcoin: spending, borrowing and preserving retirement capitalBuild a retirement cash-flow plan with explicit spending assumptions, reserves, loan stress tests and sequence-risk scenarios instead of relying on a headline yield.5 min
- Options & leverageBitcoin options and leverage: payoffs, expiry and forced-sale riskCompare shares, LEAPS, covered calls, protective puts and leveraged funds using transparent examples, then separate useful market data from unsupported trading claims.5 min
- Cycles & indicatorsBitcoin cycles, liquidity and market indicatorsRead the 50-week and 200-week averages, PMI, Pi Cycle, ETF flows and on-chain measures without mistaking a signal for a prediction.5 min
Comparisons2
- ETFs & conversionsBitcoin, IBIT and MSTR: what do you actually own?Direct bitcoin, a Bitcoin trust share and a company share create different rights, responsibilities and risks.3 min
- Preferred sharesSTRC versus STRF: how the income structures differBoth are cumulative perpetual preferred shares, with different dividend-rate mechanics and positions within Strategy's preferred equity.3 min
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