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Contract OI history

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Nov 20, 2026 EXPIRATION

CRSP $55.00 Put

CRSP261120P00055000

Latest saved OI183Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CRSP $55.00 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. 184920 2026-10-09: 23 OI2026-10-13: 157 OI2026-10-14: 157 OI2026-10-15: 169 OI2026-10-16: 184 OI2026-10-21: 184 OI2026-10-23: 183 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, 2026Viewing183-1
Oct 21, 20261840
Oct 16, 2026184+15
Oct 15, 2026169+12
Oct 14, 20261570
Oct 13, 2026157+134
Oct 09, 202623No prior observation