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Compare stocks with our powerful stock comparison tool. Analyze fundamentals, price performance, and key financial indicators to make informed investment decisions. Our tool lets you compare up to ten stocks side by side based on Performance Charts, Price & Volume, MarketRank™, Analyst Ratings, Sales & Book Value, Profitability & Earnings, Dividends, Debt, Ownership, Headlines, and more. Simply enter up to ten stock symbols (e.g., BAC, JPM, WFC, C, GS) to get started and uncover top investment opportunities.

CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Comcast Corporation stock logo
CMCSA
Comcast
$24.76
-1.6%
$28.36
$24.53
$36.66
$88.45B0.7133.91 million shs33.01 million shs
Alphabet Inc. stock logo
GOOGL
Alphabet
$396.78
-1.1%
$329.30
$162.00
$403.70
$4.81T1.2628.01 million shs20.19 million shs
Roku, Inc. stock logo
ROKU
Roku
$124.02
-1.5%
$106.50
$67.67
$131.39
$18.28B2.042.88 million shs1.90 million shs
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Comcast Corporation stock logo
CMCSA
Comcast
0.00%-2.49%-15.64%-21.57%-28.36%
Alphabet Inc. stock logo
GOOGL
Alphabet
0.00%-0.98%+18.08%+29.79%+139.93%
Roku, Inc. stock logo
ROKU
Roku
0.00%-4.25%+10.86%+37.71%+72.54%
CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Comcast Corporation stock logo
CMCSA
Comcast
$24.76
-1.6%
$28.36
$24.53
$36.66
$88.45B0.7133.91 million shs33.01 million shs
Alphabet Inc. stock logo
GOOGL
Alphabet
$396.78
-1.1%
$329.30
$162.00
$403.70
$4.81T1.2628.01 million shs20.19 million shs
Roku, Inc. stock logo
ROKU
Roku
$124.02
-1.5%
$106.50
$67.67
$131.39
$18.28B2.042.88 million shs1.90 million shs
(Almost)  Everything You Need To Know About The EV Market Cover

Looking to profit from the electric vehicle mega-trend? Click the link to see our list of which EV stocks show the most long-term potential.

Get This Free Report

Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Comcast Corporation stock logo
CMCSA
Comcast
0.00%-2.49%-15.64%-21.57%-28.36%
Alphabet Inc. stock logo
GOOGL
Alphabet
0.00%-0.98%+18.08%+29.79%+139.93%
Roku, Inc. stock logo
ROKU
Roku
0.00%-4.25%+10.86%+37.71%+72.54%
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
Comcast Corporation stock logo
CMCSA
Comcast
2.27
Hold$34.7940.50% Upside
Alphabet Inc. stock logo
GOOGL
Alphabet
2.94
Moderate Buy$410.843.54% Upside
Roku, Inc. stock logo
ROKU
Roku
2.81
Moderate Buy$143.4215.64% Upside

Current Analyst Ratings Breakdown

Latest GOOGL, CMCSA, and ROKU Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
5/15/2026
Alphabet Inc. stock logo
GOOGL
Alphabet
Boost Price TargetBuy$355.00 ➝ $490.00
5/15/2026
Alphabet Inc. stock logo
GOOGL
Alphabet
Boost Price TargetOutperform$425.00 ➝ $445.00
5/13/2026
Comcast Corporation stock logo
CMCSA
Comcast
Lower Price TargetBuy$36.00 ➝ $31.00
5/11/2026
Roku, Inc. stock logo
ROKU
Roku
Boost Price TargetOutperform$130.00 ➝ $160.00
5/7/2026
Alphabet Inc. stock logo
GOOGL
Alphabet
Boost Price Target$400.00 ➝ $460.00
5/6/2026
Alphabet Inc. stock logo
GOOGL
Alphabet
Boost Price TargetOutperform$420.00 ➝ $460.00
5/5/2026
Alphabet Inc. stock logo
GOOGL
Alphabet
Boost Price TargetBuy$375.00 ➝ $465.00
5/5/2026
Alphabet Inc. stock logo
GOOGL
Alphabet
Boost Price TargetBuy$380.00 ➝ $445.00
5/4/2026
Alphabet Inc. stock logo
GOOGL
Alphabet
Reiterated RatingOutperform
5/4/2026
Alphabet Inc. stock logo
GOOGL
Alphabet
DowngradeStrong-BuyHold
5/4/2026
Alphabet Inc. stock logo
GOOGL
Alphabet
Boost Price TargetMarket Outperform$385.00 ➝ $515.00
(Data available from 5/17/2023 forward. View 10+ years of historical ratings with our analyst ratings screener.)
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
Comcast Corporation stock logo
CMCSA
Comcast
$125.28B0.71$8.94 per share2.77$24.73 per share1.00
Alphabet Inc. stock logo
GOOGL
Alphabet
$422.50B11.38$12.67 per share31.31$39.51 per share10.04
Roku, Inc. stock logo
ROKU
Roku
$4.97B3.68$2.90 per share42.75$18.12 per share6.84
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
Comcast Corporation stock logo
CMCSA
Comcast
$20.00B$5.084.876.481.9915.00%15.47%5.45%7/30/2026 (Estimated)
Alphabet Inc. stock logo
GOOGL
Alphabet
$132.17B$13.1130.2726.941.7037.92%38.99%27.41%7/22/2026 (Estimated)
Roku, Inc. stock logo
ROKU
Roku
$88.36M$1.3393.2535.03N/A4.06%7.64%4.61%7/30/2026 (Estimated)

Latest GOOGL, CMCSA, and ROKU Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
4/30/2026Q1 2026
Roku, Inc. stock logo
ROKU
Roku
$0.34$0.57+$0.23$0.57$1.20 billion$1.25 billion
4/29/2026Q1 2026
Alphabet Inc. stock logo
GOOGL
Alphabet
$2.64$5.11+$2.47$5.11$106.98 billion$109.90 billion
4/23/2026Q1 2026
Comcast Corporation stock logo
CMCSA
Comcast
$0.73$0.79+$0.06$0.60$30.42 billion$31.46 billion
CompanyAnnual PayoutDividend Yield5-Year Annualized Dividend GrowthPayout RatioYears of Consecutive Growth
Comcast Corporation stock logo
CMCSA
Comcast
$1.325.33%+7.63%25.98%18 Years
Alphabet Inc. stock logo
GOOGL
Alphabet
$0.880.22%N/A6.71%1 Years
Roku, Inc. stock logo
ROKU
Roku
N/AN/AN/AN/AN/A

Latest GOOGL, CMCSA, and ROKU Dividends

AnnouncementCompanyPeriodAmountYieldEx-Dividend DateRecord DatePayable Date
5/13/2026
Comcast Corporation stock logo
CMCSA
Comcast
quarterly$0.335.29%7/1/20267/1/20267/22/2026
4/27/2026
Alphabet Inc. stock logo
GOOGL
Alphabet
quarterly$0.220.23%6/8/20266/8/20266/15/2026
(Data available from 1/1/2013 forward)
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
Comcast Corporation stock logo
CMCSA
Comcast
1.01
0.87
0.87
Alphabet Inc. stock logo
GOOGL
Alphabet
0.16
1.92
1.92
Roku, Inc. stock logo
ROKU
Roku
N/A
2.91
2.82

Institutional Ownership

CompanyInstitutional Ownership
Comcast Corporation stock logo
CMCSA
Comcast
84.32%
Alphabet Inc. stock logo
GOOGL
Alphabet
40.03%
Roku, Inc. stock logo
ROKU
Roku
86.30%

Insider Ownership

CompanyInsider Ownership
Comcast Corporation stock logo
CMCSA
Comcast
1.40%
Alphabet Inc. stock logo
GOOGL
Alphabet
11.61%
Roku, Inc. stock logo
ROKU
Roku
13.45%
CompanyEmployeesShares OutstandingFree FloatOptionable
Comcast Corporation stock logo
CMCSA
Comcast
179,0003.57 billion3.52 billionOptionable
Alphabet Inc. stock logo
GOOGL
Alphabet
190,82012.12 billion10.71 billionOptionable
Roku, Inc. stock logo
ROKU
Roku
3,600147.43 million127.60 millionOptionable

Recent News About These Companies

Roku (NASDAQ:ROKU) Shares Down 1.5% - Time to Sell?
Is Trending Stock Roku, Inc. (ROKU) a Buy Now?
Is Trending Stock Roku, Inc. (ROKU) a Buy Now?
Anthony Wood Sells 75,000 Shares of Roku (NASDAQ:ROKU) Stock
Roku (NASDAQ:ROKU) CEO Anthony Wood Sells 75,000 Shares
Comerica Bank Sells 346,056 Shares of Roku, Inc. $ROKU

New MarketBeat Followers Over Time

Media Sentiment Over Time

Top Headlines

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Comcast stock logo

Comcast NASDAQ:CMCSA

$24.76 -0.41 (-1.63%)
Closing price 05/15/2026 04:00 PM Eastern
Extended Trading
$24.77 +0.01 (+0.02%)
As of 05/15/2026 07:59 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Comcast Corporation operates as a media and technology company worldwide. It operates through Residential Connectivity & Platforms, Business Services Connectivity, Media, Studios, and Theme Parks segments. The Residential Connectivity & Platforms segment provides residential broadband and wireless connectivity services, residential and business video services, sky-branded entertainment television networks, and advertising. The Business Services Connectivity segment offers connectivity services for small business locations, which include broadband, wireline voice, and wireless services, as well as solutions for medium-sized customers and larger enterprises; and small business connectivity services in the United Kingdom. The Media segment operates NBCUniversal's television and streaming business, including national and regional cable networks; the NBC and Telemundo broadcast networks and owned local broadcast television stations; and Peacock, a direct-to-consumer streaming services. It also operates international television networks comprising the Sky Sports networks, as well as other digital properties. The Studios segment operates NBCUniversal and Sky film and television studio production and distribution operations. The Theme Parks segment operates Universal theme parks in Orlando, Florida; Hollywood, California; Osaka, Japan; and Beijing, China. The company also offers a consolidated streaming platforms under the Philadelphia Flyers and the Wells Fargo Center arena in Philadelphia, Pennsylvania; and Xumo. Comcast Corporation was founded in 1963 and is headquartered in Philadelphia, Pennsylvania.

Alphabet stock logo

Alphabet NASDAQ:GOOGL

$396.78 -4.29 (-1.07%)
Closing price 05/15/2026 04:00 PM Eastern
Extended Trading
$395.21 -1.57 (-0.40%)
As of 05/15/2026 08:00 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Alphabet Inc. offers various products and platforms in the United States, Europe, the Middle East, Africa, the Asia-Pacific, Canada, and Latin America. It operates through Google Services, Google Cloud, and Other Bets segments. The Google Services segment provides products and services, including ads, Android, Chrome, devices, Gmail, Google Drive, Google Maps, Google Photos, Google Play, Search, and YouTube. It is also involved in the sale of apps and in-app purchases and digital content in the Google Play and YouTube; and devices, as well as in the provision of YouTube consumer subscription services. The Google Cloud segment offers infrastructure, cybersecurity, databases, analytics, AI, and other services; Google Workspace that include cloud-based communication and collaboration tools for enterprises, such as Gmail, Docs, Drive, Calendar, and Meet; and other services for enterprise customers. The Other Bets segment sells healthcare-related and internet services. The company was incorporated in 1998 and is headquartered in Mountain View, California.

Roku stock logo

Roku NASDAQ:ROKU

$124.02 -1.83 (-1.45%)
Closing price 05/15/2026 04:00 PM Eastern
Extended Trading
$123.60 -0.42 (-0.34%)
As of 05/15/2026 07:59 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Roku, Inc., together with its subsidiaries, operates a TV streaming platform in the United states and internationally. The company operates in two segments, Platform and Devices. Its streaming platform allows users to find and access TV shows, movies, news, sports, and others. The Platform segment offers digital advertising, including direct and programmatic video advertising, media and entertainment promotional spending, and related services; and streaming services distribution, such as subscription and transaction revenue shares, and sale of premium subscriptions and branded app buttons on remote controls. The Devices segment provides sale of streaming players, Roku-branded TVs, smart home products and services, audio products, and related accessories as well as licensing arrangements with service operators. Roku, Inc. was incorporated in 2002 and is headquartered in San Jose, California.