OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

WMT $100.00 Put

WMT261218P00100000

Latest saved OI7,263Oct 23, 2026
Last change-22vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WMT $100.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 7,6143,8070 2026-10-09: 5,698 OI2026-10-12: 7,582 OI2026-10-14: 7,614 OI2026-10-15: 7,318 OI2026-10-16: 7,280 OI2026-10-21: 7,285 OI2026-10-23: 7,263 OI Oct 09, 2026Oct 23, 2026

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

WMT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing7,263-22
Oct 21, 20267,285+5
Oct 16, 20267,280-38
Oct 15, 20267,318-296
Oct 14, 20267,614+32
Oct 12, 20267,582+1,884
Oct 09, 20265,698No prior observation