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Contract OI history

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Oct 23, 2026 EXPIRATION

HWM $197.50 Put

HWM261023P00197500

Latest saved OI119Oct 23, 2026
Last change+56vs previous saved observation
Saved market days9Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
HWM $197.50 put open interest history 9 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 119590 2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 5 OI2026-10-13: 5 OI2026-10-14: 5 OI2026-10-15: 17 OI2026-10-16: 17 OI2026-10-21: 63 OI2026-10-23: 119 OI Oct 07, 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, 2026Viewing119+56
Oct 21, 202663+46
Oct 16, 2026170
Oct 15, 202617+12
Oct 14, 202650
Oct 13, 202650
Oct 09, 20265+5
Oct 08, 202600
Oct 07, 20260No prior observation