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Contract OI history

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Dec 17, 2027 EXPIRATION

CMCSA $30.00 Call

CMCSA271217C00030000

Latest saved OI1,309Oct 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. 1,3126560 2026-10-09: 1,297 OI2026-10-13: 1,305 OI2026-10-14: 1,305 OI2026-10-15: 1,310 OI2026-10-16: 1,310 OI2026-10-21: 1,312 OI2026-10-23: 1,309 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, 2026Viewing1,309-3
Oct 21, 20261,312+2
Oct 16, 20261,3100
Oct 15, 20261,310+5
Oct 14, 20261,3050
Oct 13, 20261,305+8
Oct 09, 20261,297No prior observation