# Deribit Bitcoin Options Use a 30-Minute Settlement Price Window By Enna Lee Canonical URL: https://www.tokenpost.com/news/investing/41572 Published: 2026-10-27T06:39:07.000Z Updated: 2026-10-27T06:39:07.000Z Section: Investing > The Oct. 30 monthly contracts settle in cash, with the delivery price based on the Deribit Index over the preceding half-hour. Monthly inverse Bitcoin (BTC) options on Deribit expire on a fixed schedule, and their settlement terms define the delivery price used for contracts held through expiration. Deribit’s monthly Bitcoin (BTC) options are scheduled to expire at 4 a.m. ET Friday, Oct. 30 (08:00 UTC), under the exchange’s last-Friday schedule. Inverse options settle in cash. Their delivery price is calculated from the Deribit Index over the half-hour ending at expiration, from 3:30 to 4 a.m. ET. Max pain is a calculation based on open options positions. It identifies a settlement price at which option holders collectively would receive the least, but it does not show where Bitcoin’s spot price will trade or establish that buyers will support a particular level. The [previously discussed $78,000 level]() does not establish spot support. ## Links in this article - [previously discussed $78,000 level](https://www.tokenpost.com/news/investing/39562)