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Contract OI history

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Jan 21, 2028 EXPIRATION

CRSP $50.00 Put

CRSP280121P00050000

Latest saved OI627Oct 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 $50.00 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. 6273130 2026-10-09: 615 OI2026-10-13: 618 OI2026-10-14: 618 OI2026-10-15: 620 OI2026-10-16: 625 OI2026-10-21: 627 OI2026-10-23: 627 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, 2026Viewing6270
Oct 21, 2026627+2
Oct 16, 2026625+5
Oct 15, 2026620+2
Oct 14, 20266180
Oct 13, 2026618+3
Oct 09, 2026615No prior observation