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Contract OI history

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Jan 15, 2027 EXPIRATION

SO $87.50 Put

SO270115P00087500

Latest saved OI812Oct 23, 2026
Last change+9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SO $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. 8124060 2026-10-02: 791 OI2026-10-05: 791 OI2026-10-06: 784 OI2026-10-07: 783 OI2026-10-08: 783 OI2026-10-09: 783 OI2026-10-13: 775 OI2026-10-14: 775 OI2026-10-15: 791 OI2026-10-16: 794 OI2026-10-21: 803 OI2026-10-23: 812 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, 2026Viewing812+9
Oct 21, 2026803+9
Oct 16, 2026794+3
Oct 15, 2026791+16
Oct 14, 20267750
Oct 13, 2026775-8
Oct 09, 20267830
Oct 08, 20267830
Oct 07, 2026783-1
Oct 06, 2026784-7
Oct 05, 20267910
Oct 02, 2026791No prior observation