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Contract OI history

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Nov 20, 2026 EXPIRATION

WPM $135.00 Put

WPM261120P00135000

Latest saved OI338Oct 23, 2026
Last change-7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WPM $135.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3451720 2026-10-02: 160 OI2026-10-05: 168 OI2026-10-06: 168 OI2026-10-07: 168 OI2026-10-08: 170 OI2026-10-09: 177 OI2026-10-13: 180 OI2026-10-14: 274 OI2026-10-15: 325 OI2026-10-16: 328 OI2026-10-21: 345 OI2026-10-23: 338 OI Oct 02, 2026Oct 23, 2026

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

WPM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026338-7
Oct 21, 2026Viewing345+17
Oct 16, 2026328+3
Oct 15, 2026325+51
Oct 14, 2026274+94
Oct 13, 2026180+3
Oct 09, 2026177+7
Oct 08, 2026170+2
Oct 07, 20261680
Oct 06, 20261680
Oct 05, 2026168+8
Oct 02, 2026160No prior observation