OITracker Cboe delayed data

Contract OI history

Back to CMCSA

Oct 30, 2026 EXPIRATION

CMCSA $19.00 Put

CMCSA261030P00019000

Latest saved OI206Oct 23, 2026
Last change-5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CMCSA $19.00 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. 2111050 2026-10-09: 134 OI2026-10-13: 169 OI2026-10-14: 169 OI2026-10-15: 171 OI2026-10-16: 167 OI2026-10-21: 211 OI2026-10-23: 206 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, 2026Viewing206-5
Oct 21, 2026211+44
Oct 16, 2026167-4
Oct 15, 2026171+2
Oct 14, 20261690
Oct 13, 2026169+35
Oct 09, 2026134No prior observation