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Contract OI history

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Oct 30, 2026 EXPIRATION

SO $88.00 Put

SO261030P00088000

Latest saved OI150Oct 23, 2026
Last change+21vs 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. 150750 2026-10-02: 135 OI2026-10-05: 135 OI2026-10-06: 135 OI2026-10-07: 135 OI2026-10-08: 135 OI2026-10-09: 128 OI2026-10-13: 129 OI2026-10-14: 129 OI2026-10-15: 129 OI2026-10-16: 129 OI2026-10-21: 129 OI2026-10-23: 150 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, 2026Viewing150+21
Oct 21, 20261290
Oct 16, 20261290
Oct 15, 20261290
Oct 14, 20261290
Oct 13, 2026129+1
Oct 09, 2026128-7
Oct 08, 20261350
Oct 07, 20261350
Oct 06, 20261350
Oct 05, 20261350
Oct 02, 2026135No prior observation