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Contract OI history

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Nov 20, 2026 EXPIRATION

W $87.50 Put

W261120P00087500

Latest saved OI197Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
W $87.50 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. 2031010 2026-10-02: 176 OI2026-10-05: 176 OI2026-10-06: 200 OI2026-10-07: 200 OI2026-10-08: 201 OI2026-10-09: 201 OI2026-10-13: 203 OI2026-10-14: 203 OI2026-10-15: 203 OI2026-10-16: 203 OI2026-10-21: 196 OI2026-10-23: 197 OI Oct 02, 2026Oct 23, 2026

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

W contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026197+1
Oct 21, 2026Viewing196-7
Oct 16, 20262030
Oct 15, 20262030
Oct 14, 20262030
Oct 13, 2026203+2
Oct 09, 20262010
Oct 08, 2026201+1
Oct 07, 20262000
Oct 06, 2026200+24
Oct 05, 20261760
Oct 02, 2026176No prior observation