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Contract OI history

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Nov 20, 2026 EXPIRATION

COUR $4.00 Put

COUR261120P00004000

Latest saved OI238Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COUR $4.00 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. 2381190 2026-10-02: 221 OI2026-10-05: 221 OI2026-10-06: 221 OI2026-10-07: 221 OI2026-10-08: 220 OI2026-10-09: 220 OI2026-10-13: 226 OI2026-10-14: 226 OI2026-10-15: 238 OI2026-10-16: 238 OI2026-10-21: 238 OI2026-10-23: 238 OI Oct 02, 2026Oct 23, 2026

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

COUR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2380
Oct 21, 20262380
Oct 16, 20262380
Oct 15, 2026238+12
Oct 14, 20262260
Oct 13, 2026226+6
Oct 09, 20262200
Oct 08, 2026220-1
Oct 07, 20262210
Oct 06, 20262210
Oct 05, 20262210
Oct 02, 2026221No prior observation