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Contract OI history

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Oct 23, 2026 EXPIRATION

CRSP $56.00 Put

CRSP261023P00056000

Latest saved OI6Oct 23, 2026
Last change-25vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CRSP $56.00 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. 31150 2026-10-09: 11 OI2026-10-13: 11 OI2026-10-14: 11 OI2026-10-15: 11 OI2026-10-16: 11 OI2026-10-21: 31 OI2026-10-23: 6 OI Oct 09, 2026Oct 23, 2026

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

CRSP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6-25
Oct 21, 202631+20
Oct 16, 2026110
Oct 15, 2026110
Oct 14, 2026110
Oct 13, 2026110
Oct 09, 202611No prior observation