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Contract OI history

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Jan 15, 2027 EXPIRATION

BTU $18.00 Put

BTU270115P00018000

Latest saved OI670Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BTU $18.00 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. 6713350 2026-10-02: 357 OI2026-10-05: 357 OI2026-10-06: 357 OI2026-10-07: 670 OI2026-10-08: 670 OI2026-10-09: 670 OI2026-10-13: 670 OI2026-10-14: 670 OI2026-10-15: 670 OI2026-10-16: 670 OI2026-10-20: 671 OI2026-10-23: 670 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, 2026Viewing670-1
Oct 20, 2026671+1
Oct 16, 20266700
Oct 15, 20266700
Oct 14, 20266700
Oct 13, 20266700
Oct 09, 20266700
Oct 08, 20266700
Oct 07, 2026670+313
Oct 06, 20263570
Oct 05, 20263570
Oct 02, 2026357No prior observation