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Contract OI history

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Feb 19, 2027 EXPIRATION

CHPT $12.00 Call

CHPT270219C00012000

Latest saved OI156Oct 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 $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. 169840 2026-10-02: 169 OI2026-10-05: 169 OI2026-10-06: 169 OI2026-10-07: 169 OI2026-10-08: 169 OI2026-10-09: 168 OI2026-10-13: 168 OI2026-10-14: 168 OI2026-10-15: 168 OI2026-10-16: 168 OI2026-10-21: 156 OI2026-10-23: 156 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, 2026Viewing1560
Oct 21, 2026156-12
Oct 16, 20261680
Oct 15, 20261680
Oct 14, 20261680
Oct 13, 20261680
Oct 09, 2026168-1
Oct 08, 20261690
Oct 07, 20261690
Oct 06, 20261690
Oct 05, 20261690
Oct 02, 2026169No prior observation