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Contract OI history

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Sep 17, 2027 EXPIRATION

CPRT $27.50 Put

CPRT270917P00027500

Latest saved OI79Oct 23, 2026
Last change+8vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CPRT $27.50 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. 79390 2026-10-09: 30 OI2026-10-13: 30 OI2026-10-14: 30 OI2026-10-15: 30 OI2026-10-16: 33 OI2026-10-21: 71 OI2026-10-23: 79 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, 2026Viewing79+8
Oct 21, 202671+38
Oct 16, 202633+3
Oct 15, 2026300
Oct 14, 2026300
Oct 13, 2026300
Oct 09, 202630No prior observation