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Sep 17, 2027 EXPIRATION

C $85.00 Put

C270917P00085000

Latest saved OI174Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
C $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. 174870 2026-10-02: 161 OI2026-10-05: 161 OI2026-10-06: 161 OI2026-10-07: 161 OI2026-10-08: 161 OI2026-10-09: 173 OI2026-10-13: 173 OI2026-10-14: 173 OI2026-10-15: 174 OI2026-10-16: 174 OI2026-10-21: 174 OI2026-10-23: 174 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

C contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1740
Oct 21, 20261740
Oct 16, 20261740
Oct 15, 2026174+1
Oct 14, 20261730
Oct 13, 20261730
Oct 09, 2026173+12
Oct 08, 20261610
Oct 07, 20261610
Oct 06, 20261610
Oct 05, 20261610
Oct 02, 2026161No prior observation