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Sep 17, 2027 EXPIRATION

C $80.00 Put

C270917P00080000

Latest saved OI39Oct 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 $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. 39190 2026-10-02: 37 OI2026-10-05: 37 OI2026-10-06: 37 OI2026-10-07: 37 OI2026-10-08: 37 OI2026-10-09: 37 OI2026-10-13: 37 OI2026-10-14: 37 OI2026-10-15: 39 OI2026-10-16: 39 OI2026-10-21: 39 OI2026-10-23: 39 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, 2026Viewing390
Oct 21, 2026390
Oct 16, 2026390
Oct 15, 202639+2
Oct 14, 2026370
Oct 13, 2026370
Oct 09, 2026370
Oct 08, 2026370
Oct 07, 2026370
Oct 06, 2026370
Oct 05, 2026370
Oct 02, 202637No prior observation