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Contract OI history

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Jan 21, 2028 EXPIRATION

HWM $400.00 Call

HWM280121C00400000

Latest saved OI202Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HWM $400.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2021010 2026-10-02: 167 OI2026-10-05: 182 OI2026-10-06: 182 OI2026-10-07: 182 OI2026-10-08: 182 OI2026-10-09: 182 OI2026-10-13: 182 OI2026-10-14: 182 OI2026-10-15: 197 OI2026-10-16: 197 OI2026-10-21: 200 OI2026-10-23: 202 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, 2026Viewing202+2
Oct 21, 2026200+3
Oct 16, 20261970
Oct 15, 2026197+15
Oct 14, 20261820
Oct 13, 20261820
Oct 09, 20261820
Oct 08, 20261820
Oct 07, 20261820
Oct 06, 20261820
Oct 05, 2026182+15
Oct 02, 2026167No prior observation