OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

WMT $100.00 Put

WMT261120P00100000

Latest saved OI18,111Oct 23, 2026
Last change-43vs 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. 18,4499,2240 2026-10-09: 18,449 OI2026-10-12: 18,254 OI2026-10-14: 18,195 OI2026-10-15: 18,144 OI2026-10-16: 18,075 OI2026-10-21: 18,154 OI2026-10-23: 18,111 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, 2026Viewing18,111-43
Oct 21, 202618,154+79
Oct 16, 202618,075-69
Oct 15, 202618,144-51
Oct 14, 202618,195-59
Oct 12, 202618,254-195
Oct 09, 202618,449No prior observation