OITracker Cboe delayed data

Contract OI history

Back to CMCSA

Jan 15, 2027 EXPIRATION

CMCSA $20.00 Call

CMCSA270115C00020000

Latest saved OI1,330Oct 23, 2026
Last change-67vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CMCSA $20.00 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. 1,4337160 2026-10-09: 1,379 OI2026-10-13: 1,432 OI2026-10-14: 1,432 OI2026-10-15: 1,433 OI2026-10-16: 1,432 OI2026-10-21: 1,397 OI2026-10-23: 1,330 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, 2026Viewing1,330-67
Oct 21, 20261,397-35
Oct 16, 20261,432-1
Oct 15, 20261,433+1
Oct 14, 20261,4320
Oct 13, 20261,432+53
Oct 09, 20261,379No prior observation