Contract OI history

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Jan 15, 2027 EXPIRATION

CHPT $12.00 Put

CHPT270115P00012000

Latest saved OI38Oct 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 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 38190 2026-10-02: 29 OI2026-10-05: 29 OI2026-10-06: 29 OI2026-10-07: 28 OI2026-10-08: 28 OI2026-10-09: 38 OI2026-10-13: 38 OI2026-10-14: 38 OI2026-10-15: 38 OI2026-10-16: 38 OI2026-10-21: 38 OI2026-10-23: 38 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, 2026Viewing380
Oct 21, 2026380
Oct 16, 2026380
Oct 15, 2026380
Oct 14, 2026380
Oct 13, 2026380
Oct 09, 202638+10
Oct 08, 2026280
Oct 07, 202628-1
Oct 06, 2026290
Oct 05, 2026290
Oct 02, 202629No prior observation