OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

WM $270.00 Call

WM270115C00270000

Latest saved OI1,242Oct 23, 2026
Last change+85vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WM $270.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,2426210 2026-10-02: 856 OI2026-10-05: 856 OI2026-10-06: 856 OI2026-10-07: 856 OI2026-10-08: 856 OI2026-10-09: 856 OI2026-10-14: 855 OI2026-10-15: 855 OI2026-10-16: 853 OI2026-10-21: 1,157 OI2026-10-23: 1,242 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, 20261,242+85
Oct 21, 2026Viewing1,157+304
Oct 16, 2026853-2
Oct 15, 20268550
Oct 14, 2026855-1
Oct 09, 20268560
Oct 08, 20268560
Oct 07, 20268560
Oct 06, 20268560
Oct 05, 20268560
Oct 02, 2026856No prior observation