OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

WM $190.00 Put

WM261120P00190000

Latest saved OI216Oct 23, 2026
Last change-3vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WM $190.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2761380 2026-10-02: 124 OI2026-10-05: 146 OI2026-10-06: 166 OI2026-10-07: 164 OI2026-10-08: 164 OI2026-10-09: 178 OI2026-10-14: 264 OI2026-10-15: 276 OI2026-10-16: 256 OI2026-10-21: 219 OI2026-10-23: 216 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

WM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026216-3
Oct 21, 2026Viewing219-37
Oct 16, 2026256-20
Oct 15, 2026276+12
Oct 14, 2026264+86
Oct 09, 2026178+14
Oct 08, 20261640
Oct 07, 2026164-2
Oct 06, 2026166+20
Oct 05, 2026146+22
Oct 02, 2026124No prior observation