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Contract OI history

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Jan 19, 2029 EXPIRATION

WMT $100.00 Put

WMT290119P00100000

Latest saved OI371Oct 23, 2026
Last change+4vs 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. 3711850 2026-10-09: 351 OI2026-10-12: 351 OI2026-10-14: 358 OI2026-10-15: 357 OI2026-10-16: 358 OI2026-10-21: 367 OI2026-10-23: 371 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, 2026Viewing371+4
Oct 21, 2026367+9
Oct 16, 2026358+1
Oct 15, 2026357-1
Oct 14, 2026358+7
Oct 12, 20263510
Oct 09, 2026351No prior observation