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Contract OI history

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Jan 19, 2029 EXPIRATION

WM $175.00 Put

WM290119P00175000

Latest saved OI32Oct 23, 2026
Last change+5vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WM $175.00 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. 32160 2026-10-02: 24 OI2026-10-05: 25 OI2026-10-06: 25 OI2026-10-07: 25 OI2026-10-08: 25 OI2026-10-09: 26 OI2026-10-14: 27 OI2026-10-15: 27 OI2026-10-16: 27 OI2026-10-21: 27 OI2026-10-23: 32 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, 202632+5
Oct 21, 2026Viewing270
Oct 16, 2026270
Oct 15, 2026270
Oct 14, 202627+1
Oct 09, 202626+1
Oct 08, 2026250
Oct 07, 2026250
Oct 06, 2026250
Oct 05, 202625+1
Oct 02, 202624No prior observation