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Contract OI history

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Dec 15, 2028 EXPIRATION

CMCSA $30.00 Call

CMCSA281215C00030000

Latest saved OI2,145Oct 23, 2026
Last change-8vs 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. 2,3331,1660 2026-10-09: 2,333 OI2026-10-13: 2,321 OI2026-10-14: 2,321 OI2026-10-15: 2,321 OI2026-10-16: 2,311 OI2026-10-21: 2,153 OI2026-10-23: 2,145 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, 2026Viewing2,145-8
Oct 21, 20262,153-158
Oct 16, 20262,311-10
Oct 15, 20262,3210
Oct 14, 20262,3210
Oct 13, 20262,321-12
Oct 09, 20262,333No prior observation