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Contract OI history

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Jan 15, 2027 EXPIRATION

CHPT $12.00 Call

CHPT270115C00012000

Latest saved OI173Oct 23, 2026
Last change+5vs 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. 173860 2026-10-02: 158 OI2026-10-05: 158 OI2026-10-06: 158 OI2026-10-07: 154 OI2026-10-08: 154 OI2026-10-09: 154 OI2026-10-13: 154 OI2026-10-14: 154 OI2026-10-15: 160 OI2026-10-16: 160 OI2026-10-21: 168 OI2026-10-23: 173 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, 2026Viewing173+5
Oct 21, 2026168+8
Oct 16, 20261600
Oct 15, 2026160+6
Oct 14, 20261540
Oct 13, 20261540
Oct 09, 20261540
Oct 08, 20261540
Oct 07, 2026154-4
Oct 06, 20261580
Oct 05, 20261580
Oct 02, 2026158No prior observation