OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CE $55.00 Call

CE270115C00055000

Latest saved OI969Oct 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 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 9694840 2026-10-02: 966 OI2026-10-05: 965 OI2026-10-06: 965 OI2026-10-07: 965 OI2026-10-08: 965 OI2026-10-09: 965 OI2026-10-13: 965 OI2026-10-14: 965 OI2026-10-16: 965 OI2026-10-20: 969 OI2026-10-23: 969 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, 2026Viewing9690
Oct 20, 2026969+4
Oct 16, 20269650
Oct 14, 20269650
Oct 13, 20269650
Oct 09, 20269650
Oct 08, 20269650
Oct 07, 20269650
Oct 06, 20269650
Oct 05, 2026965-1
Oct 02, 2026966No prior observation