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Compare Stocks

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
iRobot Corporation stock logo
IRBT
iRobot
$0.47
$1.44
$0.44
$6.10
$14.85M1.19.23 million shsN/A
Richtech Robotics Inc. stock logo
RR
Richtech Robotics
$2.68
$2.35
$1.71
$7.43
$576.47M-1.3411.56 million shs11.09 million shs
Serve Robotics Inc. stock logo
SERV
Serve Robotics
$8.70
$8.95
$7.66
$18.64
$673.12M0.963.99 million shs3.85 million shs
Teradyne, Inc. stock logo
TER
Teradyne
$358.44
$340.16
$75.99
$422.11
$56.11B1.794.50 million shs2.71 million shs
Tesla, Inc. stock logo
TSLA
Tesla
$426.01
$387.76
$273.21
$498.83
$1.60T1.7955.73 million shs45.93 million shs
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
iRobot Corporation stock logo
IRBT
iRobot
0.00%0.00%0.00%0.00%-81.92%
Richtech Robotics Inc. stock logo
RR
Richtech Robotics
0.00%0.00%+8.94%+2.29%+21.82%
Serve Robotics Inc. stock logo
SERV
Serve Robotics
0.00%+5.58%-5.64%-5.84%-23.28%
Teradyne, Inc. stock logo
TER
Teradyne
0.00%+6.09%-14.27%+12.54%+365.63%
Tesla, Inc. stock logo
TSLA
Tesla
0.00%+0.89%+13.21%+6.55%+25.54%
CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
iRobot Corporation stock logo
IRBT
iRobot
$0.47
$1.44
$0.44
$6.10
$14.85M1.19.23 million shsN/A
Richtech Robotics Inc. stock logo
RR
Richtech Robotics
$2.68
$2.35
$1.71
$7.43
$576.47M-1.3411.56 million shs11.09 million shs
Serve Robotics Inc. stock logo
SERV
Serve Robotics
$8.70
$8.95
$7.66
$18.64
$673.12M0.963.99 million shs3.85 million shs
Teradyne, Inc. stock logo
TER
Teradyne
$358.44
$340.16
$75.99
$422.11
$56.11B1.794.50 million shs2.71 million shs
Tesla, Inc. stock logo
TSLA
Tesla
$426.01
$387.76
$273.21
$498.83
$1.60T1.7955.73 million shs45.93 million shs
Analysts Agree—These Gold Picks Outshine the Rest Cover

Unlock the timeless value of gold with our exclusive 2026 Gold Forecasting Report. Explore why gold remains the ultimate investment for safeguarding wealth against inflation, economic shifts, and global uncertainties. Whether you're planning for future generations or seeking a reliable asset in turbulent times, this report is your essential guide to making informed decisions.

Get This Free Report

Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
iRobot Corporation stock logo
IRBT
iRobot
0.00%0.00%0.00%0.00%-81.92%
Richtech Robotics Inc. stock logo
RR
Richtech Robotics
0.00%0.00%+8.94%+2.29%+21.82%
Serve Robotics Inc. stock logo
SERV
Serve Robotics
0.00%+5.58%-5.64%-5.84%-23.28%
Teradyne, Inc. stock logo
TER
Teradyne
0.00%+6.09%-14.27%+12.54%+365.63%
Tesla, Inc. stock logo
TSLA
Tesla
0.00%+0.89%+13.21%+6.55%+25.54%
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
iRobot Corporation stock logo
IRBT
iRobot
1.50
ReduceN/AN/A
Richtech Robotics Inc. stock logo
RR
Richtech Robotics
2.00
Hold$6.00123.88% Upside
Serve Robotics Inc. stock logo
SERV
Serve Robotics
2.67
Moderate Buy$17.51101.31% Upside
Teradyne, Inc. stock logo
TER
Teradyne
2.88
Moderate Buy$339.80-5.20% Downside
Tesla, Inc. stock logo
TSLA
Tesla
2.34
Hold$395.20-7.23% Downside

Current Analyst Ratings Breakdown

Latest TSLA, RR, SERV, TER, and IRBT Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
5/13/2026
Serve Robotics Inc. stock logo
SERV
Serve Robotics
DowngradeStrong-BuyHold
5/13/2026
Serve Robotics Inc. stock logo
SERV
Serve Robotics
Boost Price TargetBuy$15.00 ➝ $16.60
5/13/2026
Tesla, Inc. stock logo
TSLA
Tesla
Boost Price TargetNeutral$352.00 ➝ $364.00
5/13/2026
Tesla, Inc. stock logo
TSLA
Tesla
Reiterated RatingNeutral
5/13/2026
Tesla, Inc. stock logo
TSLA
Tesla
Lower Price TargetSell$220.00 ➝ $215.00
5/12/2026
Teradyne, Inc. stock logo
TER
Teradyne
UpgradeHoldStrong-Buy
5/6/2026
Serve Robotics Inc. stock logo
SERV
Serve Robotics
UpgradeStrong-Buy
5/4/2026
Teradyne, Inc. stock logo
TER
Teradyne
UpgradeHold (C)Buy (B-)
4/30/2026
Teradyne, Inc. stock logo
TER
Teradyne
Set Price Target$387.00
4/30/2026
Teradyne, Inc. stock logo
TER
Teradyne
Set Price Target$370.00
4/30/2026
Teradyne, Inc. stock logo
TER
Teradyne
Boost Price TargetBuy$300.00 ➝ $350.00
(Data available from 5/25/2023 forward. View 10+ years of historical ratings with our analyst ratings screener.)
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
iRobot Corporation stock logo
IRBT
iRobot
$681.85M0.02N/AN/A$2.00 per share0.23
Richtech Robotics Inc. stock logo
RR
Richtech Robotics
$5.05M114.15N/AN/A$1.39 per share1.93
Serve Robotics Inc. stock logo
SERV
Serve Robotics
$2.65M254.01N/AN/A$4.11 per share2.12
Teradyne, Inc. stock logo
TER
Teradyne
$3.19B17.59$4.85 per share73.85$20.08 per share17.85
Tesla, Inc. stock logo
TSLA
Tesla
$94.83B16.87$2.66 per share159.96$22.56 per share18.88
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
iRobot Corporation stock logo
IRBT
iRobot
-$145.52M-$6.66N/AN/AN/A-38.16%-2,446.70%-32.63%N/A
Richtech Robotics Inc. stock logo
RR
Richtech Robotics
-$15.75M-$0.14N/AN/AN/A-417.41%-10.68%-10.47%5/27/2026 (Estimated)
Serve Robotics Inc. stock logo
SERV
Serve Robotics
-$101.36M-$2.01N/AN/AN/A-2,639.98%-47.31%-44.89%8/6/2026 (Estimated)
Teradyne, Inc. stock logo
TER
Teradyne
$554.05M$5.4066.3838.501.4722.55%31.79%22.36%8/4/2026 (Estimated)
Tesla, Inc. stock logo
TSLA
Tesla
$3.79B$1.09390.83249.1316.823.95%4.89%2.93%7/22/2026 (Estimated)

Latest TSLA, RR, SERV, TER, and IRBT Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
5/27/2026Q2 2026
Richtech Robotics Inc. stock logo
RR
Richtech Robotics
-$0.03N/AN/AN/A$1.89 millionN/A
5/7/2026Q1 2026
Serve Robotics Inc. stock logo
SERV
Serve Robotics
-$0.5667-$0.65-$0.0833-$0.65$2.83 million$2.98 million
4/29/2026Q1 2026
Teradyne, Inc. stock logo
TER
Teradyne
$2.11$2.56+$0.45$2.53$1.20 billion$1.28 billion
4/23/2026Q1 2026
Tesla, Inc. stock logo
TSLA
Tesla
$0.39$0.41+$0.02$0.13$22.96 billion$22.39 billion
3/12/2026Q4 2025
Serve Robotics Inc. stock logo
SERV
Serve Robotics
-$0.49-$0.46+$0.03-$0.46$0.77 million$0.88 million
CompanyAnnual PayoutDividend Yield5-Year Annualized Dividend GrowthPayout RatioYears of Consecutive Growth
iRobot Corporation stock logo
IRBT
iRobot
N/AN/AN/AN/AN/A
Richtech Robotics Inc. stock logo
RR
Richtech Robotics
N/AN/AN/AN/AN/A
Serve Robotics Inc. stock logo
SERV
Serve Robotics
N/AN/AN/AN/AN/A
Teradyne, Inc. stock logo
TER
Teradyne
$0.520.15%+3.71%9.63%1 Years
Tesla, Inc. stock logo
TSLA
Tesla
N/AN/AN/AN/AN/A

Latest TSLA, RR, SERV, TER, and IRBT Dividends

AnnouncementCompanyPeriodAmountYieldEx-Dividend DateRecord DatePayable Date
5/7/2026
Teradyne, Inc. stock logo
TER
Teradyne
quarterly$0.130.15%5/21/20265/21/20266/12/2026
(Data available from 1/1/2013 forward)
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
iRobot Corporation stock logo
IRBT
iRobot
N/A
0.52
0.22
Richtech Robotics Inc. stock logo
RR
Richtech Robotics
N/A
35.74
35.53
Serve Robotics Inc. stock logo
SERV
Serve Robotics
N/A
10.19
10.19
Teradyne, Inc. stock logo
TER
Teradyne
N/A
2.15
1.79
Tesla, Inc. stock logo
TSLA
Tesla
0.09
2.04
1.62

Institutional Ownership

CompanyInstitutional Ownership
iRobot Corporation stock logo
IRBT
iRobot
77.42%
Richtech Robotics Inc. stock logo
RR
Richtech Robotics
0.01%
Serve Robotics Inc. stock logo
SERV
Serve Robotics
N/A
Teradyne, Inc. stock logo
TER
Teradyne
99.77%
Tesla, Inc. stock logo
TSLA
Tesla
66.20%

Insider Ownership

CompanyInsider Ownership
iRobot Corporation stock logo
IRBT
iRobot
0.62%
Richtech Robotics Inc. stock logo
RR
Richtech Robotics
19.79%
Serve Robotics Inc. stock logo
SERV
Serve Robotics
5.00%
Teradyne, Inc. stock logo
TER
Teradyne
0.19%
Tesla, Inc. stock logo
TSLA
Tesla
19.90%
CompanyEmployeesShares OutstandingFree FloatOptionable
iRobot Corporation stock logo
IRBT
iRobot
1,25031.83 million31.63 millionOptionable
Richtech Robotics Inc. stock logo
RR
Richtech Robotics
51215.10 million172.53 millionN/A
Serve Robotics Inc. stock logo
SERV
Serve Robotics
6777.37 million73.50 millionN/A
Teradyne, Inc. stock logo
TER
Teradyne
6,600156.54 million156.25 millionOptionable
Tesla, Inc. stock logo
TSLA
Tesla
134,7853.76 billion3.01 billionOptionable

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iRobot stock logo

iRobot NASDAQ:IRBT

iRobot Corporation designs, builds, and sells robots and home innovation products in the United States, Europe, the Middle East, Africa, Japan, and internationally. The company offers floor care products, including Roomba floor vacuuming robots; Roomba accessories and consumables, such as the Clean Base Automatic Dirt Disposal, replacement dirt disposal bags for the Clean Base, filters, brushes, and batteries; Braava family of automatic floor mopping robots; and Braava accessories and consumables, which include cleaning solution, washable and disposable mopping pads, replacement tanks, and batteries, as well as subscription services. It also provides Root robots for coding, discovery, and play; Roomba Combo mopping and vacuuming robot; and accessories, including robot vacuum and mop, handheld vacuum, and air purifier, educational coding robot, and accessory bundles. The company sells its products through chain stores and other national retailers, value- added distributors, and resellers, as well as through its website and app, and e-commerce websites. iRobot Corporation was incorporated in 1990 and is headquartered in Bedford, Massachusetts.

Richtech Robotics stock logo

Richtech Robotics NASDAQ:RR

$2.68 0.00 (0.00%)
Closing price 05/22/2026 04:00 PM Eastern
Extended Trading
$2.66 -0.03 (-0.93%)
As of 05/22/2026 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.

Richtech Robotics Inc. develops, manufactures, deploys, and sells robotic solutions for automation in the service industry. The company offers indoor transport and delivery, sanitation, and food and beverage automation solutions, such as ADAM and ARM worker robots; delivery robots, including Matradee, Matradee X, Matradee L, Richie, and Robbie; and cleaning robots comprising DUST-E SX, and DUST-E MX, as well as accessories, such as bus tubs, cup holders, magnetic tray cases, smartwatches, table location systems, and tray covers. It primarily serves restaurants, hotels, casinos, senior living centers, factories, and retail centers, as well as hospitals, and movie theaters. The company was formerly known as Richtech Creative Displays LLC and changed its name to Richtech Robotics Inc. on June 22, 2022. Richtech Robotics Inc. was incorporated in 2016 and is headquartered in Las Vegas, Nevada.

Serve Robotics stock logo

Serve Robotics NASDAQ:SERV

$8.70 0.00 (0.00%)
Closing price 05/22/2026 04:00 PM Eastern
Extended Trading
$8.68 -0.02 (-0.29%)
As of 05/22/2026 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.

Serve Robotics Inc. designs, develops, and operates low-emission robots that serve people in public spaces with food delivery in the United States. It builds self-driving delivery robots. The company was formerly known as Patricia Acquisition Corp. and changed its name to Serve Robotics Inc. in July 2023. Serve Robotics Inc. was founded in 2017 and is based in Redwood City, California.

Teradyne stock logo

Teradyne NASDAQ:TER

$358.44 0.00 (0.00%)
Closing price 05/22/2026 04:00 PM Eastern
Extended Trading
$356.08 -2.36 (-0.66%)
As of 05/22/2026 07:58 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.

Teradyne, Inc. designs, develops, manufactures, and sells automated test systems and robotics products worldwide. It operates through four segments; Semiconductor Test, System Test, Robotics, and Wireless Test. The Semiconductor Test segment offers products and services for wafer level and device package testing of semiconductor devices in automotive, industrial, communications, consumer, smartphones, cloud, computer and electronic game, and other applications. This segment also provides FLEX test platform systems; J750 test system to address the volume semiconductor devices, including microcontrollers; Magnum platform that tests memory devices, such as flash memory and DRAM; and ETS platform for semiconductor manufacturers, and assembly and test subcontractors in the analog/mixed signal markets. It serves integrated device manufacturers that integrate the fabrication of silicon wafers into their business; fabless companies that outsource the manufacturing of silicon wafers; foundries; and semiconductor assembly and test providers. The System Test segment offers defense/aerospace test instrumentation and systems; storage and system level test systems; and circuit-board test and inspection systems. The Wireless Test segment provides wireless test solutions for silicon validation, wireless module manufacturing, and wireless end device manufacturing under the LitePoint brand. This segment also offers IQxel-MX and IQxel-MW7G series products for edge measurement performance in the manufacturing of connectivity products; IQxstream-5G and IQgig-5G family products to support 4G and 5G technologies; and IQgig-UWB+ for certification and manufacturing test support for ultra wideband products. The Robotics segment provides collaborative robotic arms, autonomous mobile robots, and advanced robotic control software for manufacturing, logistics, and industrial customers. The company was incorporated in 1960 and is headquartered in North Reading, Massachusetts.

Tesla stock logo

Tesla NASDAQ:TSLA

$426.01 0.00 (0.00%)
Closing price 05/22/2026 04:00 PM Eastern
Extended Trading
$423.67 -2.34 (-0.55%)
As of 05/22/2026 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.

Tesla, Inc. designs, develops, manufactures, leases, and sells electric vehicles, and energy generation and storage systems in the United States, China, and internationally. The company operates in two segments, Automotive, and Energy Generation and Storage. The Automotive segment offers electric vehicles, as well as sells automotive regulatory credits; and non-warranty after-sales vehicle, used vehicles, body shop and parts, supercharging, retail merchandise, and vehicle insurance services. This segment also provides sedans and sport utility vehicles through direct and used vehicle sales, a network of Tesla Superchargers, and in-app upgrades; purchase financing and leasing services; services for electric vehicles through its company-owned service locations and Tesla mobile service technicians; and vehicle limited warranties and extended service plans. The Energy Generation and Storage segment engages in the design, manufacture, installation, sale, and leasing of solar energy generation and energy storage products, and related services to residential, commercial, and industrial customers and utilities through its website, stores, and galleries, as well as through a network of channel partners; and provision of service and repairs to its energy product customers, including under warranty, as well as various financing options to its solar customers. The company was formerly known as Tesla Motors, Inc. and changed its name to Tesla, Inc. in February 2017. Tesla, Inc. was incorporated in 2003 and is headquartered in Austin, Texas.