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Contract OI history

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Dec 18, 2026 EXPIRATION

BTU $15.00 Put

BTU261218P00015000

Latest saved OI2,578Oct 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 $15.00 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. 2,5781,2890 2026-10-02: 2,381 OI2026-10-05: 2,462 OI2026-10-06: 2,463 OI2026-10-07: 2,568 OI2026-10-08: 2,568 OI2026-10-09: 2,568 OI2026-10-13: 2,568 OI2026-10-14: 2,568 OI2026-10-15: 2,569 OI2026-10-16: 2,577 OI2026-10-20: 2,578 OI2026-10-23: 2,578 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, 2026Viewing2,5780
Oct 20, 20262,578+1
Oct 16, 20262,577+8
Oct 15, 20262,569+1
Oct 14, 20262,5680
Oct 13, 20262,5680
Oct 09, 20262,5680
Oct 08, 20262,5680
Oct 07, 20262,568+105
Oct 06, 20262,463+1
Oct 05, 20262,462+81
Oct 02, 20262,381No prior observation