OITracker Cboe delayed data

Contract OI history

Back to CMCSA

Dec 18, 2026 EXPIRATION

CMCSA $26.00 Call

CMCSA261218C00026000

Latest saved OI6,277Oct 23, 2026
Last change+248vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CMCSA $26.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6,2773,1380 2026-10-09: 5,996 OI2026-10-13: 5,956 OI2026-10-14: 5,956 OI2026-10-15: 5,956 OI2026-10-16: 5,954 OI2026-10-21: 6,029 OI2026-10-23: 6,277 OI Oct 09, 2026Oct 23, 2026

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

CMCSA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6,277+248
Oct 21, 20266,029+75
Oct 16, 20265,954-2
Oct 15, 20265,9560
Oct 14, 20265,9560
Oct 13, 20265,956-40
Oct 09, 20265,996No prior observation