OITracker Cboe delayed data

Contract OI history

Back to CMCSA

Mar 19, 2027 EXPIRATION

CMCSA $23.00 Put

CMCSA270319P00023000

Latest saved OI3,397Oct 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 $23.00 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. 3,4051,7020 2026-10-09: 3,395 OI2026-10-13: 3,405 OI2026-10-14: 3,405 OI2026-10-15: 3,405 OI2026-10-16: 3,405 OI2026-10-21: 3,405 OI2026-10-23: 3,397 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, 2026Viewing3,397-8
Oct 21, 20263,4050
Oct 16, 20263,4050
Oct 15, 20263,4050
Oct 14, 20263,4050
Oct 13, 20263,405+10
Oct 09, 20263,395No prior observation