BTC: Coinbase Nano Bitcoin Perpetual-Style Open Interest — Contracts

Coinbase Nano Bitcoin Perpetual-Style Open Interest — Contracts was 186,914 contracts in the week of 26 Oct 2026 (latest weekly value).

Weekly open interest in Coinbase Derivatives nano Bitcoin perpetual-style futures. Each long-dated, cash-settled contract represents 0.01 BTC.

Why use it. Track changes in outstanding exposure in this one regulated contract. How to read it. Higher values mean more outstanding contracts, counted once. This is one venue, not all perpetual markets; weekly reports remain revisable.

Calculation. Use the CFTC weekly futures-only open-interest count. Report dates and source details remain in the methodology.