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Contract OI history

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Dec 18, 2026 EXPIRATION

HWM $270.00 Put

HWM261218P00270000

Latest saved OI14Oct 23, 2026
Last change-928vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HWM $270.00 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. 9434710 2026-10-02: 943 OI2026-10-05: 943 OI2026-10-06: 943 OI2026-10-07: 942 OI2026-10-08: 942 OI2026-10-09: 942 OI2026-10-13: 942 OI2026-10-14: 942 OI2026-10-15: 942 OI2026-10-16: 942 OI2026-10-21: 942 OI2026-10-23: 14 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, 2026Viewing14-928
Oct 21, 20269420
Oct 16, 20269420
Oct 15, 20269420
Oct 14, 20269420
Oct 13, 20269420
Oct 09, 20269420
Oct 08, 20269420
Oct 07, 2026942-1
Oct 06, 20269430
Oct 05, 20269430
Oct 02, 2026943No prior observation