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Contract OI history

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Mar 19, 2027 EXPIRATION

SO $90.00 Put

SO270319P00090000

Latest saved OI121Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SO $90.00 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. 121600 2026-10-02: 67 OI2026-10-05: 67 OI2026-10-06: 67 OI2026-10-07: 67 OI2026-10-08: 67 OI2026-10-09: 67 OI2026-10-13: 103 OI2026-10-14: 103 OI2026-10-15: 112 OI2026-10-16: 113 OI2026-10-21: 121 OI2026-10-23: 121 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, 2026Viewing1210
Oct 21, 2026121+8
Oct 16, 2026113+1
Oct 15, 2026112+9
Oct 14, 20261030
Oct 13, 2026103+36
Oct 09, 2026670
Oct 08, 2026670
Oct 07, 2026670
Oct 06, 2026670
Oct 05, 2026670
Oct 02, 202667No prior observation