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Contract OI history

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Jan 15, 2027 EXPIRATION

CHPT $9.00 Call

CHPT270115C00009000

Latest saved OI317Oct 23, 2026
Last change+7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CHPT $9.00 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. 3171580 2026-10-02: 227 OI2026-10-05: 229 OI2026-10-06: 229 OI2026-10-07: 230 OI2026-10-08: 230 OI2026-10-09: 230 OI2026-10-13: 262 OI2026-10-14: 262 OI2026-10-15: 284 OI2026-10-16: 286 OI2026-10-21: 310 OI2026-10-23: 317 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, 2026Viewing317+7
Oct 21, 2026310+24
Oct 16, 2026286+2
Oct 15, 2026284+22
Oct 14, 20262620
Oct 13, 2026262+32
Oct 09, 20262300
Oct 08, 20262300
Oct 07, 2026230+1
Oct 06, 20262290
Oct 05, 2026229+2
Oct 02, 2026227No prior observation