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Contract OI history

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Nov 20, 2026 EXPIRATION

CHPT $7.00 Put

CHPT261120P00007000

Latest saved OI616Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CHPT $7.00 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. 7273630 2026-10-02: 725 OI2026-10-05: 727 OI2026-10-06: 727 OI2026-10-07: 608 OI2026-10-08: 608 OI2026-10-09: 520 OI2026-10-13: 583 OI2026-10-14: 583 OI2026-10-15: 580 OI2026-10-16: 582 OI2026-10-21: 615 OI2026-10-23: 616 OI Oct 02, 2026Oct 23, 2026

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

CHPT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing616+1
Oct 21, 2026615+33
Oct 16, 2026582+2
Oct 15, 2026580-3
Oct 14, 20265830
Oct 13, 2026583+63
Oct 09, 2026520-88
Oct 08, 20266080
Oct 07, 2026608-119
Oct 06, 20267270
Oct 05, 2026727+2
Oct 02, 2026725No prior observation