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Contract OI history

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Jan 15, 2027 EXPIRATION

CHPT $20.00 Call

CHPT270115C00020000

Latest saved OI887Oct 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. 8934460 2026-10-02: 893 OI2026-10-05: 882 OI2026-10-06: 882 OI2026-10-07: 882 OI2026-10-08: 882 OI2026-10-09: 885 OI2026-10-13: 885 OI2026-10-14: 885 OI2026-10-15: 887 OI2026-10-16: 887 OI2026-10-21: 887 OI2026-10-23: 887 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, 2026Viewing8870
Oct 21, 20268870
Oct 16, 20268870
Oct 15, 2026887+2
Oct 14, 20268850
Oct 13, 20268850
Oct 09, 2026885+3
Oct 08, 20268820
Oct 07, 20268820
Oct 06, 20268820
Oct 05, 2026882-11
Oct 02, 2026893No prior observation