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Contract OI history

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Jan 15, 2027 EXPIRATION

CMCSA $15.00 Put

CMCSA270115P00015000

Latest saved OI270Oct 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 $15.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2731360 2026-10-09: 249 OI2026-10-13: 273 OI2026-10-14: 273 OI2026-10-15: 273 OI2026-10-16: 273 OI2026-10-21: 270 OI2026-10-23: 270 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, 2026Viewing2700
Oct 21, 2026270-3
Oct 16, 20262730
Oct 15, 20262730
Oct 14, 20262730
Oct 13, 2026273+24
Oct 09, 2026249No prior observation