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Contract OI history

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Oct 23, 2026 EXPIRATION

HWM $220.00 Put

HWM261023P00220000

Latest saved OI87Oct 23, 2026
Last change-239vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HWM $220.00 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. 3261630 2026-10-02: 94 OI2026-10-05: 104 OI2026-10-06: 106 OI2026-10-07: 107 OI2026-10-08: 107 OI2026-10-09: 107 OI2026-10-13: 109 OI2026-10-14: 109 OI2026-10-15: 112 OI2026-10-16: 112 OI2026-10-21: 326 OI2026-10-23: 87 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, 2026Viewing87-239
Oct 21, 2026326+214
Oct 16, 20261120
Oct 15, 2026112+3
Oct 14, 20261090
Oct 13, 2026109+2
Oct 09, 20261070
Oct 08, 20261070
Oct 07, 2026107+1
Oct 06, 2026106+2
Oct 05, 2026104+10
Oct 02, 202694No prior observation