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Contract OI history

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Jan 21, 2028 EXPIRATION

CPRT $27.50 Put

CPRT280121P00027500

Latest saved OI278Oct 23, 2026
Last change+137vs 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. 2781390 2026-10-09: 138 OI2026-10-13: 138 OI2026-10-14: 138 OI2026-10-15: 137 OI2026-10-16: 137 OI2026-10-21: 141 OI2026-10-23: 278 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, 2026Viewing278+137
Oct 21, 2026141+4
Oct 16, 20261370
Oct 15, 2026137-1
Oct 14, 20261380
Oct 13, 20261380
Oct 09, 2026138No prior observation