Key takeaways:
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Lined calls gained traction as cash-and-carry returns collapsed, however knowledge exhibits they don’t seem to be structurally suppressing Bitcoin’s worth.
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Secure put-to-call ratios and rising put demand recommend hedging and yield methods coexist with bullish positioning.
As Bitcoin (BTC) worth entered a downtrend in November, merchants started forming theories about why institutional inflows and company accumulation did not maintain worth ranges above $110,000.
One clarification continuously cited is the rising demand for Bitcoin choices, significantly these linked to the BlackRock iShares spot Bitcoin (IBIT) exchange-traded fund.

The mixture Bitcoin choices open curiosity climbed to $49 billion in December 2025 from $39 billion in December 2024, placing the lined name technique underneath nearer scrutiny.
Critics argue that by “renting out” their upside for a charge, massive buyers have unintentionally created a ceiling that forestalls Bitcoin from getting into its subsequent parabolic section. To know this argument, it helps to view a lined name as a trade-off between worth appreciation and regular revenue.
In a lined name technique, an investor who already owns Bitcoin sells a name (purchase) choice to a different get together. This offers the customer the suitable to buy that Bitcoin at a set worth, resembling $100,000 by a specified date. In return, the vendor receives an upfront money cost, much like incomes curiosity on a bond.
This choices technique differs from mounted revenue merchandise as a result of the vendor continues to carry a unstable asset, although their potential upside is capped. If Bitcoin rallies to $120,000, the vendor should promote at $100,000, successfully lacking the extra good points.
Merchants argue that this dynamic suppresses worth motion as a result of skilled sellers who buy these choices typically promote Bitcoin within the spot market to hedge their publicity, making a persistent “promote wall” round well-liked strike costs.
Choices-based yield changed the collapsed money and carry commerce
This shift towards options-based yield is a direct response to the collapse of the money and carry commerce, which includes promoting BTC futures whereas holding an equal place within the spot market.

For a lot of late 2024, merchants captured a gentle 10% to fifteen% premium. By February 2025, nevertheless, that premium had fallen beneath 10%, and by November it struggled to stay above 5%.
Seeking larger returns, funds rotated into lined calls, which supplied extra engaging annualized yields of 12% to 18%. This transition is clear in IBIT choices, the place open curiosity jumped to $40 billion from $12 billion in late 2024. Even so, the put-to-call ratio has stayed secure beneath 60%.

If widespread “suppressive” name promoting had been actually the dominant drive, this ratio would doubtless have collapsed because the market turned saturated with name sellers. As an alternative, the stability implies that for each yield-focused vendor, there’s nonetheless a purchaser positioning for a breakout.
The put-to-call ratio means that whereas some members are promoting upside name choices, a a lot bigger group is buying put (promote) devices as safety in opposition to a possible worth decline.
The latest defensive stance is mirrored within the skew metric. Whereas IBIT put choices traded at a 2% low cost in late 2024, they now commerce at a 5% premium. On the similar time, implied volatility, the market’s measure of anticipated turbulence, declined to 45% or decrease from Could onward, down from 57% in late 2024.

Decrease volatility reduces the premiums earned by sellers, that means the inducement to deploy this so-called “suppressive” technique has truly weakened, at the same time as complete open curiosity has elevated.
Arguing that lined calls are holding costs down makes little sense when the sellers of these name choices stand to profit most if costs rise towards their goal ranges. Slightly than performing as a constraint, the choices market has turn out to be the first venue the place Bitcoin’s volatility is being monetized for yield.
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