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Contract OI history

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Sep 17, 2027 EXPIRATION

CPT $80.00 Put

CPT270917P00080000

Latest saved OI211Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CPT $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. 2111050 2026-10-02: 28 OI2026-10-05: 28 OI2026-10-06: 39 OI2026-10-07: 39 OI2026-10-08: 39 OI2026-10-09: 39 OI2026-10-13: 48 OI2026-10-14: 62 OI2026-10-15: 186 OI2026-10-16: 192 OI2026-10-21: 209 OI2026-10-23: 211 OI Oct 02, 2026Oct 23, 2026

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

CPT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing211+2
Oct 21, 2026209+17
Oct 16, 2026192+6
Oct 15, 2026186+124
Oct 14, 202662+14
Oct 13, 202648+9
Oct 09, 2026390
Oct 08, 2026390
Oct 07, 2026390
Oct 06, 202639+11
Oct 05, 2026280
Oct 02, 202628No prior observation