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Contract OI history

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Oct 23, 2026 EXPIRATION

BTU $18.00 Put

BTU261023P00018000

Latest saved OI135Oct 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 $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. 135670 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 79 OI2026-10-07: 89 OI2026-10-08: 89 OI2026-10-09: 100 OI2026-10-13: 100 OI2026-10-14: 100 OI2026-10-15: 100 OI2026-10-16: 110 OI2026-10-20: 135 OI2026-10-23: 135 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, 2026Viewing1350
Oct 20, 2026135+25
Oct 16, 2026110+10
Oct 15, 20261000
Oct 14, 20261000
Oct 13, 20261000
Oct 09, 2026100+11
Oct 08, 2026890
Oct 07, 202689+10
Oct 06, 202679+79
Oct 05, 202600
Oct 02, 20260No prior observation