Bitcoin’s $15B Deribit Options Roll Off as Trump’s Iran Pause Ends—Here’s the Volatility Setup
$15B in BTC options expire on Deribit Friday—40% of its BTC OI—just as Trump’s Iran strike delay lapses. Traders see an orderly expiry but watch for weekend volatility and ETF flows.

Because Bitcoin
March 26, 2026
A rare timing overlap is staring at Bitcoin: a $15 billion options expiry on Deribit lands the same day President Donald Trump’s five-day pause on strikes against Iranian power plants runs out. When macro deadlines collide with dealer hedging flows, the market often misprices near-term risk—not at the fix itself, but in the vacuum that follows.
On Friday, roughly $15 billion of BTC options settle on Deribit, equal to about 40% of the exchange’s $36.5 billion Bitcoin open interest. Including Ethereum, Deribit’s total options roll-off is set near $17 billion, according to the firm’s chief commercial officer Jean-David Pequignot. Deribit, purchased by Coinbase in 2025 for $2.9 billion, still operates under the Deribit brand.
Pequignot pointed to a short-lived political détente as a catalyst for spot’s rally back toward $71,000, noting that the expiring diplomatic window aligns almost to the hour with options settlement—a setup that can introduce a kink in the front-end volatility term structure. Even so, he said options desks have been taking risk down into the event, with implied volatility compressing across BTC and ETH maturities—usually a signal that the street expects a controlled expiry rather than fireworks at the print.
Zooming out, total Bitcoin open interest across venues climbed 8% day-on-day to $112 billion on Wednesday, per Coinglass, which aggregates data from 24 exchanges including Deribit, CME, Binance, OKX, and Bybit. That’s meaningful fuel for directional moves if hedges come off after the fix. Nexo analyst Iliya Kalchev expects the settlement to pass smoothly but argues the more consequential phase tends to be after the overhang clears, when price action can re-anchor and weekend liquidity can exaggerate moves.
History backs that caution. Ahead of a chunky September 2025 expiry, 30-day BTC volatility drifted to 0.88% (BitBo). Within a week it had jumped to 1.14%, and by month-end it topped 2% after a $19 billion liquidation cascade cracked spot. Today’s backdrop is already punchier: 30-day BTC vol sits around 2.23%. Despite that, Bitcoin has held near $70,000 through geopolitical strains, softer equities, and energy jitters—what Kalchev reads as steady spot demand and patient long-term holders. As of Wednesday afternoon, BTC traded at $70,912.18, up 2.3% over 24 hours (CoinGecko).
My read: the risk isn’t the expiry; it’s the air pocket after. When a large chunk of short-dated gamma disappears, dealers’ hedging feedback loop weakens, and spot can roam more freely—especially into a weekend where ETF primary flows pause and order books thin. If the diplomatic window closes without escalation, IV that was pressed lower into Friday could be too cheap relative to realized weekend swings. Conversely, any flare-up into the close could force late hedging in illiquid hours and mechanically extend moves.
A few signals matter more than headlines: - Term structure around the 1- to 7-day bucket: a persistent front-end dip suggests the market is still underpricing weekend tails. - ETF net flows at the U.S. close: sustained inflows point to fresh capital rather than rotation, which has different implications for spot resilience. - On-chain accumulation: new wallets or larger cohort add-ons will confirm whether dips get sponsored.
Coinbase’s ownership of Deribit likely improves operational resilience, but it doesn’t remove the structural weekend liquidity gap that often amplifies post-expiry price discovery. Traders have been de-risking into Friday, which can suppress the bang at the fix yet leave room for a chase if spot breaks from the $68k–$72k coil when the hedges roll off. In a market this headline-sensitive, the second move is usually the one that matters.
