OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CRSP $40.00 Put

CRSP270115P00040000

Latest saved OI1,239Oct 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 $40.00 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. 1,2396190 2026-10-09: 1,222 OI2026-10-13: 1,224 OI2026-10-14: 1,224 OI2026-10-15: 1,224 OI2026-10-16: 1,214 OI2026-10-21: 1,239 OI2026-10-23: 1,239 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, 2026Viewing1,2390
Oct 21, 20261,239+25
Oct 16, 20261,214-10
Oct 15, 20261,2240
Oct 14, 20261,2240
Oct 13, 20261,224+2
Oct 09, 20261,222No prior observation