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Contract OI history

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Mar 19, 2027 EXPIRATION

WMT $155.00 Call

WMT270319C00155000

Latest saved OI290Oct 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 $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. 2901450 2026-10-09: 280 OI2026-10-12: 280 OI2026-10-14: 281 OI2026-10-15: 276 OI2026-10-16: 290 OI2026-10-21: 290 OI2026-10-23: 290 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, 2026Viewing2900
Oct 21, 20262900
Oct 16, 2026290+14
Oct 15, 2026276-5
Oct 14, 2026281+1
Oct 12, 20262800
Oct 09, 2026280No prior observation