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Contract OI history

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Jan 21, 2028 EXPIRATION

CPRT $40.00 Put

CPRT280121P00040000

Latest saved OI329Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CPRT $40.00 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. 3341670 2026-10-09: 334 OI2026-10-13: 334 OI2026-10-14: 334 OI2026-10-15: 329 OI2026-10-16: 329 OI2026-10-21: 329 OI2026-10-23: 329 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, 2026Viewing3290
Oct 21, 20263290
Oct 16, 20263290
Oct 15, 2026329-5
Oct 14, 20263340
Oct 13, 20263340
Oct 09, 2026334No prior observation