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Contract OI history

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Nov 06, 2026 EXPIRATION

CMCSA $20.00 Call

CMCSA261106C00020000

Latest saved OI1,331Oct 23, 2026
Last change+1,273vs 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. 1,3316650 2026-10-09: 122 OI2026-10-13: 125 OI2026-10-14: 125 OI2026-10-15: 125 OI2026-10-16: 57 OI2026-10-21: 58 OI2026-10-23: 1,331 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, 2026Viewing1,331+1,273
Oct 21, 202658+1
Oct 16, 202657-68
Oct 15, 20261250
Oct 14, 20261250
Oct 13, 2026125+3
Oct 09, 2026122No prior observation