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Contract OI history

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Jan 21, 2028 EXPIRATION

WMT $155.00 Call

WMT280121C00155000

Latest saved OI518Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WMT $155.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5192590 2026-10-09: 519 OI2026-10-12: 515 OI2026-10-14: 515 OI2026-10-15: 516 OI2026-10-16: 517 OI2026-10-21: 519 OI2026-10-23: 518 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, 2026Viewing518-1
Oct 21, 2026519+2
Oct 16, 2026517+1
Oct 15, 2026516+1
Oct 14, 20265150
Oct 12, 2026515-4
Oct 09, 2026519No prior observation