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Contract OI history

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Jan 15, 2027 EXPIRATION

WM $195.00 Put

WM270115P00195000

Latest saved OI256Oct 23, 2026
Last change+7vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WM $195.00 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. 2561280 2026-10-02: 206 OI2026-10-05: 206 OI2026-10-06: 208 OI2026-10-07: 208 OI2026-10-08: 208 OI2026-10-09: 208 OI2026-10-14: 208 OI2026-10-15: 208 OI2026-10-16: 208 OI2026-10-21: 249 OI2026-10-23: 256 OI Oct 02, 2026Oct 23, 2026

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

WM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026256+7
Oct 21, 2026Viewing249+41
Oct 16, 20262080
Oct 15, 20262080
Oct 14, 20262080
Oct 09, 20262080
Oct 08, 20262080
Oct 07, 20262080
Oct 06, 2026208+2
Oct 05, 20262060
Oct 02, 2026206No prior observation