OITracker Cboe delayed data

Contract OI history

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Dec 17, 2027 EXPIRATION

WMT $100.00 Put

WMT271217P00100000

Latest saved OI3,504Oct 23, 2026
Last change0vs 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. 3,5041,7520 2026-10-09: 3,138 OI2026-10-12: 3,138 OI2026-10-14: 3,140 OI2026-10-15: 3,365 OI2026-10-16: 3,439 OI2026-10-21: 3,504 OI2026-10-23: 3,504 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, 2026Viewing3,5040
Oct 21, 20263,504+65
Oct 16, 20263,439+74
Oct 15, 20263,365+225
Oct 14, 20263,140+2
Oct 12, 20263,1380
Oct 09, 20263,138No prior observation