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Contract OI history

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Jan 15, 2027 EXPIRATION

CTRE $37.50 Call

CTRE270115C00037500

Latest saved OI206Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CTRE $37.50 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. 2061030 2026-10-02: 6 OI2026-10-05: 6 OI2026-10-06: 6 OI2026-10-07: 16 OI2026-10-08: 16 OI2026-10-09: 200 OI2026-10-13: 201 OI2026-10-14: 201 OI2026-10-15: 201 OI2026-10-16: 201 OI2026-10-21: 206 OI2026-10-23: 206 OI Oct 02, 2026Oct 23, 2026

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

CTRE contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2060
Oct 21, 2026206+5
Oct 16, 20262010
Oct 15, 20262010
Oct 14, 20262010
Oct 13, 2026201+1
Oct 09, 2026200+184
Oct 08, 2026160
Oct 07, 202616+10
Oct 06, 202660
Oct 05, 202660
Oct 02, 20266No prior observation