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Contract OI history

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Dec 18, 2026 EXPIRATION

WPM $135.00 Put

WPM261218P00135000

Latest saved OI1,082Oct 23, 2026
Last change+17vs 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. 1,0825410 2026-10-02: 362 OI2026-10-05: 370 OI2026-10-06: 370 OI2026-10-07: 367 OI2026-10-08: 467 OI2026-10-09: 591 OI2026-10-13: 591 OI2026-10-14: 936 OI2026-10-15: 936 OI2026-10-16: 936 OI2026-10-21: 1,065 OI2026-10-23: 1,082 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, 20261,082+17
Oct 21, 2026Viewing1,065+129
Oct 16, 20269360
Oct 15, 20269360
Oct 14, 2026936+345
Oct 13, 20265910
Oct 09, 2026591+124
Oct 08, 2026467+100
Oct 07, 2026367-3
Oct 06, 20263700
Oct 05, 2026370+8
Oct 02, 2026362No prior observation