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Contract OI history

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Mar 19, 2027 EXPIRATION

WMT $100.00 Put

WMT270319P00100000

Latest saved OI8,739Oct 23, 2026
Last change+29vs 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. 8,7464,3730 2026-10-09: 8,212 OI2026-10-12: 8,244 OI2026-10-14: 8,531 OI2026-10-15: 8,746 OI2026-10-16: 8,743 OI2026-10-21: 8,710 OI2026-10-23: 8,739 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, 2026Viewing8,739+29
Oct 21, 20268,710-33
Oct 16, 20268,743-3
Oct 15, 20268,746+215
Oct 14, 20268,531+287
Oct 12, 20268,244+32
Oct 09, 20268,212No prior observation