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Contract OI history

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Oct 30, 2026 EXPIRATION

SO $85.00 Put

SO261030P00085000

Latest saved OI268Oct 23, 2026
Last change+10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SO $85.00 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. 2681340 2026-10-02: 162 OI2026-10-05: 99 OI2026-10-06: 99 OI2026-10-07: 99 OI2026-10-08: 78 OI2026-10-09: 78 OI2026-10-13: 78 OI2026-10-14: 78 OI2026-10-15: 78 OI2026-10-16: 78 OI2026-10-21: 258 OI2026-10-23: 268 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, 2026Viewing268+10
Oct 21, 2026258+180
Oct 16, 2026780
Oct 15, 2026780
Oct 14, 2026780
Oct 13, 2026780
Oct 09, 2026780
Oct 08, 202678-21
Oct 07, 2026990
Oct 06, 2026990
Oct 05, 202699-63
Oct 02, 2026162No prior observation