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Contract OI history

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Oct 23, 2026 EXPIRATION

SO $88.00 Put

SO261023P00088000

Latest saved OI264Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SO $88.00 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. 2661330 2026-10-02: 138 OI2026-10-05: 181 OI2026-10-06: 181 OI2026-10-07: 181 OI2026-10-08: 181 OI2026-10-09: 172 OI2026-10-13: 175 OI2026-10-14: 175 OI2026-10-15: 176 OI2026-10-16: 179 OI2026-10-21: 266 OI2026-10-23: 264 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, 2026Viewing264-2
Oct 21, 2026266+87
Oct 16, 2026179+3
Oct 15, 2026176+1
Oct 14, 20261750
Oct 13, 2026175+3
Oct 09, 2026172-9
Oct 08, 20261810
Oct 07, 20261810
Oct 06, 20261810
Oct 05, 2026181+43
Oct 02, 2026138No prior observation