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Contract OI history

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Dec 18, 2026 EXPIRATION

CPRT $22.50 Put

CPRT261218P00022500

Latest saved OI226Oct 23, 2026
Last change-5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CPRT $22.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2841420 2026-10-09: 284 OI2026-10-13: 230 OI2026-10-14: 230 OI2026-10-15: 230 OI2026-10-16: 229 OI2026-10-21: 231 OI2026-10-23: 226 OI Oct 09, 2026Oct 23, 2026

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

CPRT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing226-5
Oct 21, 2026231+2
Oct 16, 2026229-1
Oct 15, 20262300
Oct 14, 20262300
Oct 13, 2026230-54
Oct 09, 2026284No prior observation