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Contract OI history

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Jan 21, 2028 EXPIRATION

CHPT $20.00 Call

CHPT280121C00020000

Latest saved OI395Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CHPT $20.00 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. 3951970 2026-10-02: 395 OI2026-10-05: 395 OI2026-10-06: 395 OI2026-10-07: 395 OI2026-10-08: 395 OI2026-10-09: 395 OI2026-10-13: 395 OI2026-10-14: 395 OI2026-10-15: 395 OI2026-10-16: 395 OI2026-10-21: 395 OI2026-10-23: 395 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, 2026Viewing3950
Oct 21, 20263950
Oct 16, 20263950
Oct 15, 20263950
Oct 14, 20263950
Oct 13, 20263950
Oct 09, 20263950
Oct 08, 20263950
Oct 07, 20263950
Oct 06, 20263950
Oct 05, 20263950
Oct 02, 2026395No prior observation