OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

WM $130.00 Put

WM280121P00130000

Latest saved OI14Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WM $130.00 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. 1470 2026-10-02: 8 OI2026-10-05: 8 OI2026-10-06: 8 OI2026-10-07: 8 OI2026-10-08: 8 OI2026-10-09: 10 OI2026-10-14: 12 OI2026-10-15: 12 OI2026-10-16: 14 OI2026-10-21: 14 OI2026-10-23: 14 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, 2026140
Oct 21, 2026Viewing140
Oct 16, 202614+2
Oct 15, 2026120
Oct 14, 202612+2
Oct 09, 202610+2
Oct 08, 202680
Oct 07, 202680
Oct 06, 202680
Oct 05, 202680
Oct 02, 20268No prior observation