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Contract OI history

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Dec 18, 2026 EXPIRATION

HWM $190.00 Put

HWM261218P00190000

Latest saved OI629Oct 23, 2026
Last change+467vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HWM $190.00 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. 6293140 2026-10-02: 39 OI2026-10-05: 39 OI2026-10-06: 39 OI2026-10-07: 39 OI2026-10-08: 39 OI2026-10-09: 39 OI2026-10-13: 107 OI2026-10-14: 107 OI2026-10-15: 107 OI2026-10-16: 108 OI2026-10-21: 162 OI2026-10-23: 629 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

HWM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing629+467
Oct 21, 2026162+54
Oct 16, 2026108+1
Oct 15, 20261070
Oct 14, 20261070
Oct 13, 2026107+68
Oct 09, 2026390
Oct 08, 2026390
Oct 07, 2026390
Oct 06, 2026390
Oct 05, 2026390
Oct 02, 202639No prior observation