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Contract OI history

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Nov 20, 2026 EXPIRATION

BTU $35.00 Call

BTU261120C00035000

Latest saved OI361Oct 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 $35.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3611800 2026-10-02: 346 OI2026-10-05: 346 OI2026-10-06: 346 OI2026-10-07: 346 OI2026-10-08: 345 OI2026-10-09: 346 OI2026-10-13: 346 OI2026-10-14: 346 OI2026-10-15: 346 OI2026-10-16: 359 OI2026-10-20: 360 OI2026-10-23: 361 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, 2026Viewing361+1
Oct 20, 2026360+1
Oct 16, 2026359+13
Oct 15, 20263460
Oct 14, 20263460
Oct 13, 20263460
Oct 09, 2026346+1
Oct 08, 2026345-1
Oct 07, 20263460
Oct 06, 20263460
Oct 05, 20263460
Oct 02, 2026346No prior observation