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Contract OI history

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Dec 18, 2026 EXPIRATION

BTU $25.00 Put

BTU261218P00025000

Latest saved OI1,437Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BTU $25.00 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. 1,4847420 2026-10-02: 1,484 OI2026-10-05: 1,484 OI2026-10-06: 1,484 OI2026-10-07: 1,484 OI2026-10-08: 1,437 OI2026-10-09: 1,437 OI2026-10-13: 1,437 OI2026-10-14: 1,437 OI2026-10-15: 1,437 OI2026-10-16: 1,437 OI2026-10-20: 1,437 OI2026-10-23: 1,437 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, 2026Viewing1,4370
Oct 20, 20261,4370
Oct 16, 20261,4370
Oct 15, 20261,4370
Oct 14, 20261,4370
Oct 13, 20261,4370
Oct 09, 20261,4370
Oct 08, 20261,437-47
Oct 07, 20261,4840
Oct 06, 20261,4840
Oct 05, 20261,4840
Oct 02, 20261,484No prior observation