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Contract OI history

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Oct 23, 2026 EXPIRATION

HWM $217.50 Put

HWM261023P00217500

Latest saved OI4Oct 23, 2026
Last change-188vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HWM $217.50 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. 192960 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 2 OI2026-10-07: 3 OI2026-10-08: 3 OI2026-10-09: 17 OI2026-10-13: 18 OI2026-10-14: 18 OI2026-10-15: 95 OI2026-10-16: 126 OI2026-10-21: 192 OI2026-10-23: 4 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, 2026Viewing4-188
Oct 21, 2026192+66
Oct 16, 2026126+31
Oct 15, 202695+77
Oct 14, 2026180
Oct 13, 202618+1
Oct 09, 202617+14
Oct 08, 202630
Oct 07, 20263+1
Oct 06, 20262+2
Oct 05, 202600
Oct 02, 20260No prior observation