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Contract OI history

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Nov 20, 2026 EXPIRATION

SO $80.00 Put

SO261120P00080000

Latest saved OI742Oct 23, 2026
Last change-1vs 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. 7433710 2026-10-02: 680 OI2026-10-05: 699 OI2026-10-06: 690 OI2026-10-07: 677 OI2026-10-08: 693 OI2026-10-09: 694 OI2026-10-13: 672 OI2026-10-14: 672 OI2026-10-15: 672 OI2026-10-16: 672 OI2026-10-21: 743 OI2026-10-23: 742 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, 2026742-1
Oct 21, 2026Viewing743+71
Oct 16, 20266720
Oct 15, 20266720
Oct 14, 20266720
Oct 13, 2026672-22
Oct 09, 2026694+1
Oct 08, 2026693+16
Oct 07, 2026677-13
Oct 06, 2026690-9
Oct 05, 2026699+19
Oct 02, 2026680No prior observation