
Deribit prints $2.5B BTC bull call spread aimed at $70K–$72K into July 31
The structure clusters around the July 29 Fed decision, with futures pricing a 75%–80% chance of a hold at 3.5%–3.75%.
A large bitcoin options position on Deribit targeted a move toward $72,000 into the July 31 expiry via a defined-risk bull call spread. The timing brackets the Federal Reserve’s July 29 rate decision, turning the trade into a concentrated Fed-week volatility expression.
Key Takeaways
- A large Deribit block paired 20,000 July 31 $70,000 BTC calls bought with 20,000 July 31 $72,000 calls sold, creating a bull call spread.
- The combined structure totals 40,000 contracts, or about $2.5 billion notional, since each Deribit BTC options contract represents 1 bitcoin.
- The payoff is designed for upside toward $72,000 into expiry, while selling away gains above $72,000 to reduce premium and define risk if BTC stalls or falls.
- The July 31 settlement lands two days after the July 29 FOMC decision, when fed funds futures implied a 75%–80% probability of a hold at 3.5%–3.75%.
$2.5B Deribit Call Spread Targets $70K–$72K Into July 31
Deribit options flow showed a large, symmetric call spread executed in size: 20,000 contracts of the July 31 $70,000 bitcoin call were bought alongside the sale of 20,000 contracts of the July 31 $72,000 call.
Because each Deribit BTC options contract represents 1 BTC, the two-leg structure totals 40,000 contracts, equating to roughly $2.5 billion in notional exposure. Notional is the face value of the underlying exposure, not the premium paid.
The symmetry matters. A clean 20,000-by-20,000 structure reads like deliberate positioning for a move into a specific range, not open-ended upside exposure. The trade expresses “up, but not infinite,” with risk and reward boxed in by design.
Why This Expiry Matters: Fed Decision on July 29 Sits Inside the Trade Window
The July 31 expiry is the point. It sits two days after the Federal Reserve’s July 29 rate decision, putting the entire position inside a tight macro catalyst window.
At the time of publication, fed funds futures implied a 75%–80% probability that the Fed holds the benchmark rate at 3.5%–3.75%. The remaining probability was split between a hike and, to a lesser extent, a cut.
That alignment suggests the trade is framed around the Fed as the near-term driver into month-end. It is less about a long-duration bull thesis and more about capturing a post-decision repricing, while keeping the risk defined if the meeting fails to move markets.
How the Bull Call Spread Pays: Upside to $72K, Capped Above
A bull call spread buys a call at a lower strike and sells a call at a higher strike with the same expiry. Here, the long $70,000 call provides upside exposure if BTC trades above $70,000 by July 31.
The short $72,000 call finances part of that upside by selling away gains above $72,000. That reduces the entry cost and limits maximum loss if BTC is flat or down, but it also caps profits beyond $72,000.
Mechanically, it is a “moderate rally” structure. It fits a market that has already bounced, where traders want upside participation without paying for a full moonshot.
Macro Cross-Currents in the Setup: Hold Odds, Inflation Prints, and Oil Shock Risk
Spot context supports the “rebound continuation” framing. Bitcoin traded around $64,089 at publication time and had bounced to roughly $64,000 from under $58,000 earlier in July.
Macro is the swing factor. Rate-hike fears had ebbed after June inflation data showed decelerating price pressures at both the consumer and producer levels, with core inflation described as flat. But that data predates a fresh escalation in U.S.-Iran tensions that disrupted oil flows through the Strait of Hormuz, with WTI and Brent surging by the most since March.
For traders, the watchpoints are straightforward: the July 29 decision and any shift away from the 75%–80% hold pricing, BTC spot behavior around the $70,000 and $72,000 strikes into July 31, and whether more large July 31 “topside call spread” blocks print on Deribit. Oil-driven inflation risk is the wild card that can feed back into rate expectations quickly.
Reading the Flow as a Fed-Week Volatility Expression, Not a Moonshot Bet
Deribit’s chief commercial officer Jean-David Péquignot said, "This week we have seen some large blocks in BTC topside call spreads," which reinforces that the $70K/$72K structure is not a one-off odd lot. Repetition in the same tenor and shape is usually the tell that someone is expressing a view with size, not just cleaning up a book.
I treat this as a defined-risk attempt to monetize a narrow window where macro can reprice BTC, not a conviction bet that spot must clear and hold above $72,000. The threshold that matters is how spot behaves as it approaches $70,000 and $72,000 into expiry, because that is where positioning can start to influence hedging flows and pin risk.
If the Fed outcome and subsequent rate pricing keep the market in “hold” mode while BTC grinds toward the strikes, the setup starts to look structural rather than narrative-driven, and that is when a $70K–$72K magnet can matter in practical terms.