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Contract OI history

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Dec 18, 2026 EXPIRATION

WPM $145.00 Put

WPM261218P00145000

Latest saved OI181Oct 23, 2026
Last change+20vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WPM $145.00 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. 181900 2026-10-02: 158 OI2026-10-05: 158 OI2026-10-06: 158 OI2026-10-07: 158 OI2026-10-08: 158 OI2026-10-09: 158 OI2026-10-13: 165 OI2026-10-14: 165 OI2026-10-15: 162 OI2026-10-16: 162 OI2026-10-21: 161 OI2026-10-23: 181 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, 2026181+20
Oct 21, 2026Viewing161-1
Oct 16, 20261620
Oct 15, 2026162-3
Oct 14, 20261650
Oct 13, 2026165+7
Oct 09, 20261580
Oct 08, 20261580
Oct 07, 20261580
Oct 06, 20261580
Oct 05, 20261580
Oct 02, 2026158No prior observation