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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
Aftermaster, Inc. stock logo
AFTM
Aftermaster
$0.00
$0.00
$0.00
N/AN/AN/AN/A
CSTI
Costar Technologies
$4.97
-0.2%
$4.97
$2.75
$5.13
N/AN/AN/A1,300 shs
GTMM
Guitammer
$0.01
+8.8%
$0.01
$0.00
$0.17
N/AN/AN/A500 shs
Rockford Corp. stock logo
ROFO
Rockford
$16.00
$16.00
$15.00
$16.00
N/AN/AN/AN/A
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Aftermaster, Inc. stock logo
AFTM
Aftermaster
0.00%0.00%0.00%0.00%0.00%
CSTI
Costar Technologies
0.00%0.00%0.00%0.00%0.00%
GTMM
Guitammer
0.00%0.00%0.00%0.00%0.00%
Rockford Corp. stock logo
ROFO
Rockford
0.00%0.00%0.00%0.00%0.00%
CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
Aftermaster, Inc. stock logo
AFTM
Aftermaster
N/AN/AN/AN/AN/AN/AN/AN/A
CSTI
Costar Technologies
N/AN/AN/AN/AN/AN/AN/AN/A
GTMM
Guitammer
N/AN/AN/AN/AN/AN/AN/AN/A
Rockford Corp. stock logo
ROFO
Rockford
N/AN/AN/AN/AN/AN/AN/AN/A
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
Aftermaster, Inc. stock logo
AFTM
Aftermaster
0.00
N/AN/AN/A
CSTI
Costar Technologies
0.00
N/AN/AN/A
GTMM
Guitammer
0.00
N/AN/AN/A
Rockford Corp. stock logo
ROFO
Rockford
0.00
N/AN/AN/A
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
Aftermaster, Inc. stock logo
AFTM
Aftermaster
N/AN/AN/AN/AN/AN/A
CSTI
Costar Technologies
$54.18MN/AN/AN/AN/AN/A
GTMM
Guitammer
N/AN/AN/AN/AN/AN/A
Rockford Corp. stock logo
ROFO
Rockford
N/AN/AN/AN/AN/AN/A
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
Aftermaster, Inc. stock logo
AFTM
Aftermaster
N/AN/A0.00N/AN/AN/AN/AN/AN/A
CSTI
Costar Technologies
-$2.38MN/A0.00N/AN/AN/AN/AN/A
GTMM
Guitammer
N/AN/A0.00N/AN/AN/AN/AN/A
Rockford Corp. stock logo
ROFO
Rockford
N/AN/A0.00N/AN/AN/AN/AN/A
CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
Aftermaster, Inc. stock logo
AFTM
Aftermaster
N/AN/AN/AN/AN/A
CSTI
Costar Technologies
N/AN/AN/AN/AN/A
GTMM
Guitammer
N/AN/AN/AN/AN/A
Rockford Corp. stock logo
ROFO
Rockford
N/AN/AN/AN/AN/A

Institutional Ownership

CompanyInstitutional Ownership
Aftermaster, Inc. stock logo
AFTM
Aftermaster
N/A
CSTI
Costar Technologies
N/A
GTMM
Guitammer
N/A
Rockford Corp. stock logo
ROFO
Rockford
N/A

Insider Ownership

CompanyInsider Ownership
Aftermaster, Inc. stock logo
AFTM
Aftermaster
10.15%
CSTI
Costar Technologies
4.87%
GTMM
Guitammer
N/A
Rockford Corp. stock logo
ROFO
Rockford
40.60%
CompanyEmployeesShares OutstandingFree FloatOptionable
Aftermaster, Inc. stock logo
AFTM
Aftermaster
9N/AN/ANot Optionable
CSTI
Costar Technologies
45N/AN/ANot Optionable
GTMM
Guitammer
7N/AN/ANot Optionable
Rockford Corp. stock logo
ROFO
Rockford
107N/AN/ANot Optionable

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Aftermaster stock logo

Aftermaster OTCMKTS:AFTM

AfterMaster, Inc., together with its subsidiaries, operates as an audio technology company in the United States. It develops and commercializes proprietary audio and video technologies for professional and consumer use. The company offers AfterMaster audio, a mastering, remastering, and audio processing technology that makes various audio source sounds louder, fuller, deeper, and clearer; ProMaster, an online music mastering, streaming, and storage service designed for independent artists; and Aftermaster Pro, a personal audio re-mastering device. It also provides Aftermaster Studio Pro products for use in commercial audio applications; and MyStudio products. In addition, AfterMaster, Inc. operates six recording and mastering studios. The company was formerly known as Studio One Media, Inc. and changed its name to AfterMaster, Inc. in September 2015. AfterMaster, Inc. was incorporated in 1988 and is based in Scottsdale, Arizona.

Costar Technologies OTCMKTS:CSTI

$4.97 -0.01 (-0.20%)
As of 08/18/2023

Costar Technologies, Inc., together with its subsidiaries, engages in the design, development, manufacture, and distribution of security solution products in the United States. The company operates through three segments: Costar Video Systems, CostarHD, and Other. Its security solutions products include surveillance cameras, digital video recorders, lenses, and high-speed domes, as well as industrial vision products. The company also provides IP video solutions for traffic monitoring, security, surveillance, and military applications; and accessories, such as cables, camera mounts, and data storage devices. It offers its solutions for financial institutions, educational facilities, retail stores, manufacturing plants, highways, government buildings, military bases, borders, and other applications. The company was formerly known as Sielox, Inc. and changed its name to Costar Technologies, Inc. in October 2011. Costar Technologies, Inc. was incorporated in 1997 and is based in Coppell, Texas.

Guitammer OTCMKTS:GTMM

$0.01 +0.00 (+8.82%)
As of 03/8/2021

The Guitammer Company designs and distributes low frequency audio transducers worldwide. It offers various types of ButtKicker brand transducers, which provide vibration or low frequency audio effects; various models of amplifiers; wireless options; and accessories. The company's product portfolio comprises wireless ButtKicker kits and ButtKicker LFE Kits that are used in home theater and gaming applications; and ButtKicker Gamer2 for gaming and simulator use with video games for use in personal computers and game consoles with racing and flight simulators. Its products are also used in cinemas and industrial applications, as well as by musicians and professional audio technicians. In addition, the company provides ButtKicker Live! Broadcast technology, which enables haptic and tactile events broadcasting in addition to and distinct from a live broadcasts' audio and video. The Guitammer Company sells its products through independent manufacturers' sales representatives, dealers, and distributors. The company was incorporated in 1990 and is headquartered in Westerville, Ohio.

Rockford stock logo

Rockford OTCMKTS:ROFO

$16.00 0.00 (0.00%)
As of 03/18/2022

Rockford Corp. engages in the distribution, marketing and design of systems for the mobile audio aftermarket and OEM market. It distributes its products through the following brand names: Rockford Fosgate, Rockford Acoustic Design, CrimeStopper, Renegade and Lightning Audio. The company was founded by Jim Fosgate in 1973 and is headquartered in Tempe, AZ.