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Contract OI history

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Sep 17, 2027 EXPIRATION

CMCSA $30.00 Call

CMCSA270917C00030000

Latest saved OI1,350Oct 23, 2026
Last change+4vs 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. 1,3506750 2026-10-09: 226 OI2026-10-13: 218 OI2026-10-14: 218 OI2026-10-15: 249 OI2026-10-16: 249 OI2026-10-21: 1,346 OI2026-10-23: 1,350 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, 2026Viewing1,350+4
Oct 21, 20261,346+1,097
Oct 16, 20262490
Oct 15, 2026249+31
Oct 14, 20262180
Oct 13, 2026218-8
Oct 09, 2026226No prior observation