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Contract OI history

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Nov 06, 2026 EXPIRATION

BTU $18.00 Put

BTU261106P00018000

Latest saved OI61Oct 23, 2026
Last change+20vs 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. 61300 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 2 OI2026-10-07: 2 OI2026-10-08: 4 OI2026-10-09: 5 OI2026-10-13: 5 OI2026-10-14: 5 OI2026-10-15: 9 OI2026-10-16: 9 OI2026-10-20: 41 OI2026-10-23: 61 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, 2026Viewing61+20
Oct 20, 202641+32
Oct 16, 202690
Oct 15, 20269+4
Oct 14, 202650
Oct 13, 202650
Oct 09, 20265+1
Oct 08, 20264+2
Oct 07, 202620
Oct 06, 20262+1
Oct 05, 202610
Oct 02, 20261No prior observation