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Contract OI history

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Jun 17, 2027 EXPIRATION

CMCSA $27.50 Call

CMCSA270617C00027500

Latest saved OI2,920Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CMCSA $27.50 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. 2,9221,4610 2026-10-09: 2,845 OI2026-10-13: 2,869 OI2026-10-14: 2,869 OI2026-10-15: 2,869 OI2026-10-16: 2,869 OI2026-10-21: 2,922 OI2026-10-23: 2,920 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, 2026Viewing2,920-2
Oct 21, 20262,922+53
Oct 16, 20262,8690
Oct 15, 20262,8690
Oct 14, 20262,8690
Oct 13, 20262,869+24
Oct 09, 20262,845No prior observation