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Contract OI history

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Sep 17, 2027 EXPIRATION

SO $85.00 Put

SO270917P00085000

Latest saved OI1,137Oct 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 $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. 1,1375680 2026-10-02: 180 OI2026-10-05: 252 OI2026-10-06: 304 OI2026-10-07: 336 OI2026-10-08: 430 OI2026-10-09: 498 OI2026-10-13: 1,137 OI2026-10-14: 1,137 OI2026-10-15: 1,137 OI2026-10-16: 1,137 OI2026-10-21: 1,137 OI2026-10-23: 1,137 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, 20261,1370
Oct 21, 2026Viewing1,1370
Oct 16, 20261,1370
Oct 15, 20261,1370
Oct 14, 20261,1370
Oct 13, 20261,137+639
Oct 09, 2026498+68
Oct 08, 2026430+94
Oct 07, 2026336+32
Oct 06, 2026304+52
Oct 05, 2026252+72
Oct 02, 2026180No prior observation