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Contract OI history

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Jan 21, 2028 EXPIRATION

HWM $230.00 Put

HWM280121P00230000

Latest saved OI265Oct 23, 2026
Last change-10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HWM $230.00 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. 2751370 2026-10-02: 266 OI2026-10-05: 262 OI2026-10-06: 262 OI2026-10-07: 262 OI2026-10-08: 262 OI2026-10-09: 264 OI2026-10-13: 274 OI2026-10-14: 274 OI2026-10-15: 274 OI2026-10-16: 274 OI2026-10-21: 275 OI2026-10-23: 265 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, 2026Viewing265-10
Oct 21, 2026275+1
Oct 16, 20262740
Oct 15, 20262740
Oct 14, 20262740
Oct 13, 2026274+10
Oct 09, 2026264+2
Oct 08, 20262620
Oct 07, 20262620
Oct 06, 20262620
Oct 05, 2026262-4
Oct 02, 2026266No prior observation