Which day is BTC options expiry?

TLDR

BTC options on Deribit typically expire on Friday at 08:00 (UTC).

1. This weeks major expiry is Friday, 26 Dec, highlighted broadly in market coverage with large notional size. See coverage.
2. Expiry time is 08:00 (UTC) on Deribit for weekly batches. Confirmed time.
3. Big end?of?year expiries are larger than weekly/monthly and can raise volatility. Context.

Deep Dive

1. Friday 08:00 (UTC)

The widely referenced BTC options expiry window on Deribit is Friday at 08:00 (UTC).

1. A recent Friday expiry note explicitly states settlement at 08:00 (UTC) on Deribit. Time reference.
2. This consistent timing lets traders plan hedges and roll positions into the next week.

2. This Weeks Date

This weeks headline expiry is Friday, 26 Dec, with an unusually large notional outstanding.

1. Coverage points to a Friday, 26 Dec expiry with roughly $23.6B in BTC options. Market update.
2. Multiple reports echo the size and timing across the holiday period. Another report.

3. Why Expiry Matters

Larger expiries reset options positioning and can mechanically pin or unpin price ranges.

1. End?of?year expiries are typically much larger than weekly or monthly and can increase volatility. Context.
2. Dealers hedging can keep spot in tight ranges before expiry, then loosen after settlement. Mechanics.

Conclusion

BTC options commonly expire on Fridays at 08:00 (UTC), and this weeks Friday, 26 Dec window is unusually large. The combination of concentrated options flows and holiday liquidity increases the odds of sharper post?expiry moves as positions reset and dealer hedges unwind.