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Contract OI history

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Feb 19, 2027 EXPIRATION

SO $77.50 Put

SO270219P00077500

Latest saved OI206Oct 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 $77.50 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. 2061030 2026-10-02: 162 OI2026-10-05: 162 OI2026-10-06: 162 OI2026-10-07: 162 OI2026-10-08: 162 OI2026-10-09: 162 OI2026-10-13: 162 OI2026-10-14: 162 OI2026-10-15: 162 OI2026-10-16: 162 OI2026-10-21: 204 OI2026-10-23: 206 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, 2026206+2
Oct 21, 2026Viewing204+42
Oct 16, 20261620
Oct 15, 20261620
Oct 14, 20261620
Oct 13, 20261620
Oct 09, 20261620
Oct 08, 20261620
Oct 07, 20261620
Oct 06, 20261620
Oct 05, 20261620
Oct 02, 2026162No prior observation