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Contract OI history

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Nov 20, 2026 EXPIRATION

CHPT $13.00 Call

CHPT261120C00013000

Latest saved OI262Oct 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 $13.00 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. 2661330 2026-10-02: 266 OI2026-10-05: 266 OI2026-10-06: 265 OI2026-10-07: 263 OI2026-10-08: 263 OI2026-10-09: 263 OI2026-10-13: 263 OI2026-10-14: 263 OI2026-10-15: 258 OI2026-10-16: 258 OI2026-10-21: 262 OI2026-10-23: 262 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, 2026Viewing2620
Oct 21, 2026262+4
Oct 16, 20262580
Oct 15, 2026258-5
Oct 14, 20262630
Oct 13, 20262630
Oct 09, 20262630
Oct 08, 20262630
Oct 07, 2026263-2
Oct 06, 2026265-1
Oct 05, 20262660
Oct 02, 2026266No prior observation