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Contract OI history

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Jan 19, 2029 EXPIRATION

CMCSA $30.00 Call

CMCSA290119C00030000

Latest saved OI727Oct 23, 2026
Last change-3vs 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. 7303650 2026-10-09: 79 OI2026-10-13: 584 OI2026-10-14: 584 OI2026-10-15: 730 OI2026-10-16: 730 OI2026-10-21: 730 OI2026-10-23: 727 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, 2026Viewing727-3
Oct 21, 20267300
Oct 16, 20267300
Oct 15, 2026730+146
Oct 14, 20265840
Oct 13, 2026584+505
Oct 09, 202679No prior observation