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Contract OI history

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Jan 15, 2027 EXPIRATION

WM $175.00 Put

WM270115P00175000

Latest saved OI97Oct 23, 2026
Last change-1vs 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. 110550 2026-10-02: 56 OI2026-10-05: 56 OI2026-10-06: 54 OI2026-10-07: 55 OI2026-10-08: 55 OI2026-10-09: 110 OI2026-10-14: 110 OI2026-10-15: 110 OI2026-10-16: 110 OI2026-10-21: 98 OI2026-10-23: 97 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, 2026Viewing97-1
Oct 21, 202698-12
Oct 16, 20261100
Oct 15, 20261100
Oct 14, 20261100
Oct 09, 2026110+55
Oct 08, 2026550
Oct 07, 202655+1
Oct 06, 202654-2
Oct 05, 2026560
Oct 02, 202656No prior observation