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Contract OI history

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Dec 18, 2026 EXPIRATION

WM $195.00 Put

WM261218P00195000

Latest saved OI152Oct 23, 2026
Last change-2vs 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. 174870 2026-10-02: 160 OI2026-10-05: 165 OI2026-10-06: 169 OI2026-10-07: 174 OI2026-10-08: 174 OI2026-10-09: 173 OI2026-10-14: 174 OI2026-10-15: 173 OI2026-10-16: 160 OI2026-10-21: 154 OI2026-10-23: 152 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, 2026152-2
Oct 21, 2026Viewing154-6
Oct 16, 2026160-13
Oct 15, 2026173-1
Oct 14, 2026174+1
Oct 09, 2026173-1
Oct 08, 20261740
Oct 07, 2026174+5
Oct 06, 2026169+4
Oct 05, 2026165+5
Oct 02, 2026160No prior observation