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Contract OI history

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Jan 15, 2027 EXPIRATION

CHCT $15.00 Put

CHCT270115P00015000

Latest saved OI260Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CHCT $15.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2631310 2026-10-02: 263 OI2026-10-05: 263 OI2026-10-06: 262 OI2026-10-07: 262 OI2026-10-08: 262 OI2026-10-09: 262 OI2026-10-13: 261 OI2026-10-14: 261 OI2026-10-16: 261 OI2026-10-20: 260 OI2026-10-23: 260 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CHCT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2600
Oct 20, 2026260-1
Oct 16, 20262610
Oct 14, 20262610
Oct 13, 2026261-1
Oct 09, 20262620
Oct 08, 20262620
Oct 07, 20262620
Oct 06, 2026262-1
Oct 05, 20262630
Oct 02, 2026263No prior observation