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Contract OI history

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Jan 15, 2027 EXPIRATION

CRSP $37.50 Put

CRSP270115P00037500

Latest saved OI351Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CRSP $37.50 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. 8174080 2026-10-09: 817 OI2026-10-13: 817 OI2026-10-14: 817 OI2026-10-15: 349 OI2026-10-16: 350 OI2026-10-21: 351 OI2026-10-23: 351 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, 2026Viewing3510
Oct 21, 2026351+1
Oct 16, 2026350+1
Oct 15, 2026349-468
Oct 14, 20268170
Oct 13, 20268170
Oct 09, 2026817No prior observation