# [Bitcoin options watch] Open interest at $11.18 billion as calls lead 24-hour trading By Riza Dagoc Canonical URL: https://www.tokenpost.com/news/investing/38929 Published: 2026-10-23T11:42:45.000Z Updated: 2026-10-23T11:42:45.000Z Section: Investing > Bitcoin options expiring October 30 had $11.18 billion in open interest and a put/call ratio of 0.56. Calls led trading across expiries over the past 24 hours, with a volume-based put/call ratio of 0.77. Bitcoin options expiring October 30 showed call-heavy open interest, with a put/call ratio of 0.56. Calls also led trading across expiries over the past 24 hours. The positioning showed a preference for calls in outstanding contracts and recent trading, although put volume narrowly exceeded call volume for the October 30 expiry. As of October 23 at 11:42 UTC, Bitcoin options expiring October 30 had total open interest of 136,398 contracts, with a notional value of approximately $11.18 billion. Call open interest stood at 87,375 contracts, compared with 49,022 puts, producing a put/call ratio of 0.56. The ratio showed that outstanding calls substantially outnumbered puts for the October 30 expiry. Open interest measures outstanding positions rather than the direction of new trades. The max pain price—the level at which option buyers would incur the greatest aggregate losses at expiry—was $78,000. For the October 30 expiry, the largest open interest concentration was in $95,000 calls, followed by $100,000 calls and $90,000 calls. ![ Bitcoin options watch Open interest at $11.18 billion as calls lead 24-hour trading]() Across all expiries, $95,000 calls had the largest open interest, followed by $90,000 calls and $100,000 calls, placing the leading concentrations above the current Bitcoin price. Most actively traded Bitcoin option contracts over the past 24 hours. Over the past 24 hours, call volume across expiries totaled 10,421 contracts, compared with 8,003 puts. The volume-based put/call ratio was 0.77, showing greater trading activity in calls. Most actively traded options $98,000 calls expiring November 27; $88,000 calls expiring December 25; $90,000 calls expiring November 27; $76,000 puts expiring October 30; and $96,000 calls expiring December 25. Expiries with concentrated open interest October 30: calls accounted for 64%; December 25: 62%; March 26: 61%. Most actively traded expiries November 27: calls accounted for 70%; October 30: 49%; December 25: 73%. Bitcoin traded at $81,636 at the October 23 snapshot, down 0.32% over the previous 24 hours. [Editor's note] Options can be used to take leveraged exposure to an underlying asset or hedge existing positions. A call gives its buyer the right to purchase the asset at a predetermined price, while a put gives the right to sell. Open interest is the total number of outstanding option contracts.