CMCSA Stock Premarket

Comcast Corp
CMCSANASDAQUSD
23.81 USD
0.32 (1.36%)PRE MARKET (AS OF 05:29 AM EDT)
🟢Market: OPEN

Premarket trading runs 4:00 AM – 9:30 AM ET.

CMCSA last traded at $23.81 in premarket, up $0.32 (1.36%) from its previous close of $23.49.

📅 CMCSA is scheduled to report earnings on Jul 23, 2026 before the open (confirmed), with an estimated EPS of $0.97. CMCSA earnings details →

Gap Analytics — 5-year history, 5% minimum gap

Over the past 5 years, CMCSA has had 10 qualifying gap events (gaps of 5% or more at the open) — 2 gap-ups and 8 gap-downs. Gap-ups averaged +11.9%, 100% have fully filled, median time to fill 9.5 trading days. Gap-downs averaged -7%, 88% have fully filled, median time to fill 14 trading days. Most recent: a +16.7% gap up on Jun 29, 2026, which filled in 4 trading days. Average 20-trading-day return after a CMCSA gap up: -4.46%. After a gap down: +4.81%.

Gap Ups2 events
Fill Rate
100.0%
Avg Gap
11.9%
Avg 50% Fill
1d
Avg Fill
9.5d
Avg 20d return after gap-up: -4.46%
Gap Downs8 events
Fill Rate
87.5%
Avg Gap
7.0%
Avg 50% Fill
1d
Avg Fill
14d
Avg 20d return after gap-down: +4.81%
Avg Gap Fill by Timeframes
Gap Ups
1 day1 week2 week4 week
fills 25%100%100%100%100%
fills 50%100%100%100%100%
fills 75%50%100%100%100%
fills 100%0%50%50%100%
Gap Downs
1 day1 week2 week4 week
fills 25%63%75%88%100%
fills 50%63%75%75%88%
fills 75%25%63%63%88%
fills 100%13%13%38%63%
Complete Gap History 10 events
DateGap FromGap %StatusDays to 50%Days to Fill% of Gap Filled After
1 day1 week2 week4 week
17 days ago$23.17+16.72%Filled1d4d74%100%100%100%
2026-01-05$29.54-6.13%Filled1d18d66%88%88%100%
2025-10-30$28.53-8.55%Filled1d33d82%82%90%90%
2025-04-24$34.47-7.22%Filled1d7d55%92%100%100%
2025-01-30$37.36-7.87%Filled13d26d9%9%37%87%
2024-10-31$42.24+7.02%Filled1d15d80%97%97%100%
2023-10-26$42.75-6.32%Filled5d7d15%94%100%100%
2022-12-14$36.71-5.01%Filled1d14d73%73%73%100%
2022-07-28$43.37-8.71%Open19%19%19%27%
2022-01-27$48.46-6.16%Filled1d1d100%100%100%100%

Frequently Asked Questions

What is CMCSA's premarket price?

Comcast (CMCSA) is trading at $23.81 in premarket, up $0.32 (1.36%) from the previous close of $23.49.

Why is CMCSA moving in premarket?

Comcast (CMCSA) is up 1.36% from its previous close in premarket trading. Premarket moves are usually driven by company-specific news, earnings results, analyst rating or price-target changes, or broad market and sector sentiment. Check the latest CMCSA premarket headlines and gap history below for the likely catalyst.

When does CMCSA premarket trading start?

Premarket trading for CMCSA on the NASDAQ runs from 4:00 AM to 9:30 AM Eastern Time, ahead of the regular session (9:30 AM – 4:00 PM ET). After-hours runs from 4:00 PM to 8:00 PM ET.

How often does CMCSA fill its gaps?

Over the past 5 years, 100% of CMCSA gap-ups have fully filled and 88% of gap-downs have filled. Median time to fill is 10 trading days for gap-ups and 14 trading days for gap-downs.

Does CMCSA have any unfilled gaps?

No. CMCSA has no unfilled gap events from the past 60 days; all recent gaps have been filled.

What's the average return after a CMCSA gap?

Based on 10 qualifying gap events over the past 5 years, the average 20-trading-day return after a CMCSA gap up is -4.46%, and after a gap down is +4.81%.

When does CMCSA report earnings?

CMCSA is scheduled to report earnings on Jul 23, 2026 before the open (confirmed), with an estimated EPS of $0.97. Comcast officially announced on June 11, 2026, that it will release its Q2 2026 financial results on Thursday, July 23, 2026, before the market opens, with a conference call at 8:30 AM ET.