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Contract OI history

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Nov 20, 2026 EXPIRATION

CHPT $12.00 Call

CHPT261120C00012000

Latest saved OI136Oct 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 $12.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 137680 2026-10-02: 134 OI2026-10-05: 135 OI2026-10-06: 133 OI2026-10-07: 133 OI2026-10-08: 133 OI2026-10-09: 136 OI2026-10-13: 136 OI2026-10-14: 136 OI2026-10-15: 136 OI2026-10-16: 136 OI2026-10-21: 137 OI2026-10-23: 136 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, 2026Viewing136-1
Oct 21, 2026137+1
Oct 16, 20261360
Oct 15, 20261360
Oct 14, 20261360
Oct 13, 20261360
Oct 09, 2026136+3
Oct 08, 20261330
Oct 07, 20261330
Oct 06, 2026133-2
Oct 05, 2026135+1
Oct 02, 2026134No prior observation