OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CE $55.00 Put

CE270115P00055000

Latest saved OI582Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CE $55.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5822910 2026-10-02: 582 OI2026-10-05: 582 OI2026-10-06: 582 OI2026-10-07: 582 OI2026-10-08: 582 OI2026-10-09: 582 OI2026-10-13: 582 OI2026-10-14: 582 OI2026-10-16: 582 OI2026-10-20: 582 OI2026-10-23: 582 OI Oct 02, 2026Oct 23, 2026

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

CE contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5820
Oct 20, 20265820
Oct 16, 20265820
Oct 14, 20265820
Oct 13, 20265820
Oct 09, 20265820
Oct 08, 20265820
Oct 07, 20265820
Oct 06, 20265820
Oct 05, 20265820
Oct 02, 2026582No prior observation