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Contract OI history

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Nov 06, 2026 EXPIRATION

BTU $23.00 Put

BTU261106P00023000

Latest saved OI310Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BTU $23.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3101550 2026-10-02: 1 OI2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 0 OI2026-10-08: 1 OI2026-10-09: 1 OI2026-10-13: 304 OI2026-10-14: 304 OI2026-10-15: 304 OI2026-10-16: 304 OI2026-10-20: 305 OI2026-10-23: 310 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BTU contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing310+5
Oct 20, 2026305+1
Oct 16, 20263040
Oct 15, 20263040
Oct 14, 20263040
Oct 13, 2026304+303
Oct 09, 202610
Oct 08, 20261+1
Oct 07, 202600
Oct 06, 202600
Oct 05, 20260-1
Oct 02, 20261No prior observation