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Contract OI history

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Jan 21, 2028 EXPIRATION

HWM $135.00 Put

HWM280121P00135000

Latest saved OI144Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HWM $135.00 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. 144720 2026-10-02: 143 OI2026-10-05: 143 OI2026-10-06: 143 OI2026-10-07: 143 OI2026-10-08: 143 OI2026-10-09: 143 OI2026-10-13: 143 OI2026-10-14: 143 OI2026-10-15: 143 OI2026-10-16: 143 OI2026-10-21: 144 OI2026-10-23: 144 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, 2026Viewing1440
Oct 21, 2026144+1
Oct 16, 20261430
Oct 15, 20261430
Oct 14, 20261430
Oct 13, 20261430
Oct 09, 20261430
Oct 08, 20261430
Oct 07, 20261430
Oct 06, 20261430
Oct 05, 20261430
Oct 02, 2026143No prior observation