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Contract OI history

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Nov 20, 2026 EXPIRATION

CHCT $15.00 Call

CHCT261120C00015000

Latest saved OI21Oct 23, 2026
Last change+10vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CHCT $15.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 37180 2026-10-02: 29 OI2026-10-05: 33 OI2026-10-06: 32 OI2026-10-07: 32 OI2026-10-08: 37 OI2026-10-09: 37 OI2026-10-13: 22 OI2026-10-14: 22 OI2026-10-16: 22 OI2026-10-20: 11 OI2026-10-23: 21 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, 2026Viewing21+10
Oct 20, 202611-11
Oct 16, 2026220
Oct 14, 2026220
Oct 13, 202622-15
Oct 09, 2026370
Oct 08, 202637+5
Oct 07, 2026320
Oct 06, 202632-1
Oct 05, 202633+4
Oct 02, 202629No prior observation