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Contract OI history

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Jan 21, 2028 EXPIRATION

CMCSA $32.50 Call

CMCSA280121C00032500

Latest saved OI4,441Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CMCSA $32.50 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. 4,4432,2210 2026-10-09: 4,442 OI2026-10-13: 4,442 OI2026-10-14: 4,442 OI2026-10-15: 4,442 OI2026-10-16: 4,443 OI2026-10-21: 4,441 OI2026-10-23: 4,441 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, 2026Viewing4,4410
Oct 21, 20264,441-2
Oct 16, 20264,443+1
Oct 15, 20264,4420
Oct 14, 20264,4420
Oct 13, 20264,4420
Oct 09, 20264,442No prior observation