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Contract OI history

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Jan 21, 2028 EXPIRATION

CMCSA $30.00 Call

CMCSA280121C00030000

Latest saved OI12,248Oct 23, 2026
Last change-20vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CMCSA $30.00 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. 12,2756,1370 2026-10-09: 12,275 OI2026-10-13: 12,275 OI2026-10-14: 12,275 OI2026-10-15: 12,274 OI2026-10-16: 12,269 OI2026-10-21: 12,268 OI2026-10-23: 12,248 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, 2026Viewing12,248-20
Oct 21, 202612,268-1
Oct 16, 202612,269-5
Oct 15, 202612,274-1
Oct 14, 202612,2750
Oct 13, 202612,2750
Oct 09, 202612,275No prior observation