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Contract OI history

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Jan 15, 2027 EXPIRATION

SO $80.00 Put

SO270115P00080000

Latest saved OI883Oct 23, 2026
Last change+13vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SO $80.00 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. 8834410 2026-10-02: 863 OI2026-10-05: 863 OI2026-10-06: 863 OI2026-10-07: 863 OI2026-10-08: 863 OI2026-10-09: 863 OI2026-10-13: 882 OI2026-10-14: 882 OI2026-10-15: 882 OI2026-10-16: 882 OI2026-10-21: 870 OI2026-10-23: 883 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, 2026883+13
Oct 21, 2026Viewing870-12
Oct 16, 20268820
Oct 15, 20268820
Oct 14, 20268820
Oct 13, 2026882+19
Oct 09, 20268630
Oct 08, 20268630
Oct 07, 20268630
Oct 06, 20268630
Oct 05, 20268630
Oct 02, 2026863No prior observation