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Contract OI history

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Dec 18, 2026 EXPIRATION

HWM $200.00 Put

HWM261218P00200000

Latest saved OI281Oct 23, 2026
Last change+22vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HWM $200.00 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. 2811400 2026-10-02: 232 OI2026-10-05: 231 OI2026-10-06: 232 OI2026-10-07: 256 OI2026-10-08: 256 OI2026-10-09: 261 OI2026-10-13: 262 OI2026-10-14: 262 OI2026-10-15: 274 OI2026-10-16: 256 OI2026-10-21: 259 OI2026-10-23: 281 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, 2026Viewing281+22
Oct 21, 2026259+3
Oct 16, 2026256-18
Oct 15, 2026274+12
Oct 14, 20262620
Oct 13, 2026262+1
Oct 09, 2026261+5
Oct 08, 20262560
Oct 07, 2026256+24
Oct 06, 2026232+1
Oct 05, 2026231-1
Oct 02, 2026232No prior observation