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Contract OI history

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Dec 18, 2026 EXPIRATION

WMS $105.00 Put

WMS261218P00105000

Latest saved OI35Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WMS $105.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 35170 2026-10-02: 25 OI2026-10-05: 25 OI2026-10-06: 25 OI2026-10-07: 25 OI2026-10-08: 25 OI2026-10-09: 25 OI2026-10-14: 25 OI2026-10-15: 25 OI2026-10-16: 25 OI2026-10-21: 35 OI2026-10-23: 35 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

WMS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026350
Oct 21, 2026Viewing35+10
Oct 16, 2026250
Oct 15, 2026250
Oct 14, 2026250
Oct 09, 2026250
Oct 08, 2026250
Oct 07, 2026250
Oct 06, 2026250
Oct 05, 2026250
Oct 02, 202625No prior observation