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Contract OI history

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Oct 23, 2026 EXPIRATION

SO $87.00 Put

SO261023P00087000

Latest saved OI149Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SO $87.00 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. 159790 2026-10-02: 159 OI2026-10-05: 135 OI2026-10-06: 134 OI2026-10-07: 134 OI2026-10-08: 134 OI2026-10-09: 134 OI2026-10-13: 134 OI2026-10-14: 134 OI2026-10-15: 134 OI2026-10-16: 139 OI2026-10-21: 149 OI2026-10-23: 149 OI Oct 02, 2026Oct 23, 2026

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

SO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261490
Oct 21, 2026Viewing149+10
Oct 16, 2026139+5
Oct 15, 20261340
Oct 14, 20261340
Oct 13, 20261340
Oct 09, 20261340
Oct 08, 20261340
Oct 07, 20261340
Oct 06, 2026134-1
Oct 05, 2026135-24
Oct 02, 2026159No prior observation