Compare Stocks: GPRE, CSAN, REX, and MNTK

Comparative Price Performance Over Time

Compare Price & Volume

Company	Current Price	50-Day Moving Average	52-Week Range	Market Cap	Beta	Avg. Volume	Today's Volume
CSAN Cosan	$2.69 -2.4%	$2.75	$2.38 ▼ $5.74	$2.66B	0.71	2.80 million shs	2.39 million shs
GPRE Green Plains	$15.58 +6.7%	$15.17	$9.18 ▼ $19.65	$1.02B	1.15	1.40 million shs	1.38 million shs
MNTK Montauk Renewables	$2.35 -2.1%	$2.24	$1.07 ▼ $3.28	$341.62M	0.66	912,580 shs	535,912 shs
REX REX American Resources	$42.80 +3.8%	$42.97	$30.46 ▼ $53.36	$1.37B	0.6	277,727 shs	246,933 shs

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Compare Price Performance

Company	1-Day Performance	7-Day Performance	30-Day Performance	90-Day Performance	1-Year Performance
CSAN Cosan	0.00%	0.00%	-5.76%	-12.68%	-36.37%
GPRE Green Plains	+1.81%	-3.63%	-2.01%	-14.72%	+60.79%
MNTK Montauk Renewables	-5.14%	-17.53%	-9.09%	+45.45%	+18.81%
REX REX American Resources	-1.77%	-4.98%	-0.59%	-12.49%	+35.19%

Compare Price & Volume

Company	Current Price	50-Day Moving Average	52-Week Range	Market Cap	Beta	Avg. Volume	Today's Volume
CSAN Cosan	$2.69 -2.4%	$2.75	$2.38 ▼ $5.74	$2.66B	0.71	2.80 million shs	2.39 million shs
GPRE Green Plains	$15.58 +6.7%	$15.17	$9.18 ▼ $19.65	$1.02B	1.15	1.40 million shs	1.38 million shs
MNTK Montauk Renewables	$2.35 -2.1%	$2.24	$1.07 ▼ $3.28	$341.62M	0.66	912,580 shs	535,912 shs
REX REX American Resources	$42.80 +3.8%	$42.97	$30.46 ▼ $53.36	$1.37B	0.6	277,727 shs	246,933 shs

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Compare Price Performance

Company	1-Day Performance	7-Day Performance	30-Day Performance	90-Day Performance	1-Year Performance
CSAN Cosan	0.00%	0.00%	-5.76%	-12.68%	-36.37%
GPRE Green Plains	+1.81%	-3.63%	-2.01%	-14.72%	+60.79%
MNTK Montauk Renewables	-5.14%	-17.53%	-9.09%	+45.45%	+18.81%
REX REX American Resources	-1.77%	-4.98%	-0.59%	-12.49%	+35.19%

Compare Analyst Forecasts

Company	Consensus Rating Score	Consensus Rating	Consensus Price Target	% Upside from Current Price
CSAN Cosan	1.67	Reduce	$3.85	43.39% Upside
GPRE Green Plains	2.13	Hold	$15.67	0.56% Upside
MNTK Montauk Renewables	2.20	Hold	$1.80	-23.40% Downside
REX REX American Resources	3.00	Buy	N/A	N/A

Current Analyst Ratings Breakdown

Latest GPRE, CSAN, REX, and MNTK Analyst Ratings

Date	Company	Brokerage	Action	Rating
10/8/2026	REX REX American Resources	Weiss Ratings Subscribe to MarketBeat All Access to unlock brokerage rankings	Upgrade	Buy (B-) ➝ Buy (B)
9/24/2026	MNTK Montauk Renewables	Weiss Ratings Subscribe to MarketBeat All Access to unlock brokerage rankings	Upgrade	Sell (D) ➝ Sell (D+)
9/22/2026	GPRE Green Plains	Weiss Ratings Subscribe to MarketBeat All Access to unlock brokerage rankings	Upgrade	Sell (D-) ➝ Hold (C)
9/21/2026	GPRE Green Plains	Zacks Research Subscribe to MarketBeat All Access to unlock brokerage rankings	Upgrade	Strong Sell ➝ Hold
9/4/2026	CSAN Cosan	Weiss Ratings Subscribe to MarketBeat All Access to unlock brokerage rankings	Reiterated Rating	Sell (E+)
9/1/2026	MNTK Montauk Renewables	Zacks Research Subscribe to MarketBeat All Access to unlock brokerage rankings	Upgrade	Hold ➝ Strong-Buy
8/25/2026	GPRE Green Plains	UBS Group Subscribe to MarketBeat All Access to unlock brokerage rankings	Reiterated Rating	Neutral
8/24/2026	REX REX American Resources	Weiss Ratings Subscribe to MarketBeat All Access to unlock brokerage rankings	Downgrade	Buy (B) ➝ Buy (B-)
8/7/2026	GPRE Green Plains	BMO Capital Markets Subscribe to MarketBeat All Access to unlock brokerage rankings	Reiterated Rating	Market Perform
8/6/2026	GPRE Green Plains	Zacks Research Subscribe to MarketBeat All Access to unlock brokerage rankings	Downgrade	Hold ➝ Strong Sell
7/17/2026	GPRE Green Plains	Weiss Ratings Subscribe to MarketBeat All Access to unlock brokerage rankings	Reiterated Rating	Sell (D-)

(Data available from 10/13/2023 forward. View 10+ years of historical ratings with our analyst ratings screener.)

Compare Sales & Book Value

Company	Annual Revenue	Price/Sales	Cashflow	Price/Cash	Book Value	Price/Book
CSAN Cosan	$7.24B	0.37	N/A	N/A	$5.60 per share	0.48
GPRE Green Plains	$2.09B	0.52	$0.63 per share	24.80	$11.05 per share	1.41
MNTK Montauk Renewables	$176.38M	1.90	$0.22 per share	10.63	$1.85 per share	1.27
REX REX American Resources	$650.49M	2.18	$3.34 per share	12.80	$21.31 per share	2.01

Compare Profitability & Earnings

Company	Net Income	EPS	Trailing P/E Ratio	Forward P/E Ratio	P/E Growth	Net Margins	Return on Equity (ROE)	Return on Assets (ROA)	Next Earnings Date
CSAN Cosan	-$1.74B	-$2.16	N/A	22.38	N/A	-21.83%	-12.58%	-3.00%	11/13/2026 (Estimated)
GPRE Green Plains	-$121.28M	$1.59	9.80	9.39	N/A	6.78%	14.52%	7.33%	11/4/2026 (Estimated)
MNTK Montauk Renewables	$1.75M	$0.06	39.17	13.82	N/A	3.40%	2.45%	1.47%	11/4/2026 (Estimated)
REX REX American Resources	$82.95M	$3.65	11.72	N/A	N/A	18.31%	16.90%	15.01%	12/3/2026 (Estimated)

Latest GPRE, CSAN, REX, and MNTK Earnings

Date	Quarter	Company	Consensus Estimate	Reported EPS	Beat/Miss	Gap EPS	Revenue Estimate	Actual Revenue
11/4/2026	Q3 2026	GPRE Green Plains	$0.5270	N/A	N/A	N/A	$512.26 million	N/A
11/4/2026	Q3 2026	MNTK Montauk Renewables	$0.05	N/A	N/A	N/A	$53.34 million	N/A
9/2/2026	Q2 2027	REX REX American Resources	$0.4244	$1.06	+$0.6356	$1.06	$194.81 million	$168.49 million
8/15/2026	Q2 2026	CSAN Cosan	$0.0094	-$0.06	-$0.0694	-$0.06	$996.01 million	$2.08 billion
8/6/2026	Q2 2026	GPRE Green Plains	$0.5410	$0.83	+$0.2890	$0.83	$542.38 million	$446.22 million

Compare Dividends

Company	Annual Payout	Dividend Yield	5-Year Annualized Dividend Growth	Payout Ratio	Years of Consecutive Growth
CSAN Cosan	N/A	N/A	-100.00%	N/A	N/A
GPRE Green Plains	N/A	N/A	N/A	N/A	N/A
MNTK Montauk Renewables	N/A	N/A	N/A	N/A	N/A
REX REX American Resources	N/A	N/A	N/A	N/A	N/A

Compare Debt

Company	Debt-to-Equity Ratio	Current Ratio	Quick Ratio
CSAN Cosan	2.12	1.87	1.76
GPRE Green Plains	0.45	1.99	1.58
MNTK Montauk Renewables	0.57	0.62	0.62
REX REX American Resources	N/A	6.88	6.45

Compare Ownership

Institutional Ownership

Company	Institutional Ownership
CSAN Cosan	N/A
GPRE Green Plains	N/A
MNTK Montauk Renewables	16.35%
REX REX American Resources	88.12%

Insider Ownership

Company	Insider Ownership
CSAN Cosan	N/A
GPRE Green Plains	1.40%
MNTK Montauk Renewables	54.30%
REX REX American Resources	13.21%

Compare Miscellaneous Stats

Company	Employees	Shares Outstanding	Free Float	Optionable
CSAN Cosan	12,775	991.64 million	N/A	Not Optionable
GPRE Green Plains	642	70.10 million	69.12 million	Optionable
MNTK Montauk Renewables	189	142.34 million	65.05 million	Optionable
REX REX American Resources	132	33.18 million	28.79 million	Optionable

GPRE, CSAN, REX, and MNTK Headlines

Recent News About These Companies

REX American Resources (NYSE:REX) Stock Price Down 5.5% - Should You Sell?

October 9, 2026 | marketbeat.com

REX executive sells 50,000 shares

October 4, 2026 | americanbankingnews.com

REX American Resources Executive Chairman Stuart Rose Sells 50,000 Shares via Family Foundation

October 3, 2026 | kalkinemedia.comK

REX American Resources (NYSE:REX) Downgraded by Wall Street Zen to Buy

October 3, 2026 | americanbankingnews.com

REX American Resources (NYSE:REX) Stock Rating Cut to Buy at Wall Street Zen

October 3, 2026 | marketbeat.com

REX American Resources (NYSE:REX) Stock: Insider Stuart Rose Sells 50,000 Shares

October 2, 2026 | insidertrades.com

Rex American Resources Insider Sold Shares Worth $2,127,535, According to a Recent SEC Filing

October 1, 2026 | marketscreener.comM

REX American Resources (NYSE:REX) Insider Sells 50,000 Shares of Stock

October 1, 2026 | marketbeat.com

131,006 Shares in REX American Resources Corporation $REX Acquired by Bank of America Corp DE

September 28, 2026 | marketbeat.com

New ETF Bets on the Machinery Behind AI Chipmaking

September 22, 2026 | etftrends.comE

REX Financial Launches Alpha Sports to Build ETFs Tracking MLB and NHL Teams' Performance

September 21, 2026 | businesswire.com

REX American Resources (REX) Stock Looks Undervalued As Its 217% Run Continues

September 20, 2026 | finance.yahoo.com

REX American Resources (REX) Notches A Record Quarter, Then Doubts Creep In

September 13, 2026 | insidermonkey.com

Rex American Resources Shines in Record-Breaking Earnings Call

September 8, 2026 | theglobeandmail.com

REX American Resources: Q2 Fiscal 2026 EPS Jumps To Record $1.06 As Gross Profit Reaches $53.3 Million

September 3, 2026 | pulse2.comP

REX American Resources Corporation Q2 Profit Rises

September 2, 2026 | rttnews.com

REX American Resources Q2 Profit Rises Sharply, Revenue Increases- Update

September 2, 2026 | rttnews.com

REX American Skids on Q2 Figures

September 2, 2026 | baystreet.ca

Earnings Flash (REX) REX American Resources Posts Fiscal Q2 EPS $1.06

September 2, 2026 | marketscreener.comM

Rex outlines One Earth expansion to 175M gallons next, targeting ~200M gallons output by mid-next year

September 2, 2026 | seekingalpha.com

REX American Resources Crushes Q2 2026 Profit Estimates

September 2, 2026 | news.alphastreet.comN

New MarketBeat Followers Over Time

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GPRE, CSAN, REX, and MNTK Company Descriptions

Cosan NYSE:CSAN

$2.68 -0.07 (-2.36%)

Closing price 09/18/2026

Extended Trading

$2.68 0.00 (0.00%)

As of 09/18/2026 07:30 PM Eastern

Cosan S.A. engages in the fuel distribution business. It operates through Raízen, Compass, Moove, Rumo, and Radar segments. The company's Raízen segment engages in the production, commercialization, origination, and trading of ethanol, bioenergy, renewable sources, and sugar; trading and resale of electricity; and distribution and commercialization of fuels and lubricants. Its Compass segment distributes piped natural gas to industrial, residential, commercial, automotive, and cogeneration customers; and develops infrastructure projects in a regasification terminal, offshore gas pipeline, and thermal generation projects utilizing natural gas, as well as commercialization of electricity and natural gas. The company's Moove segment produces and distributes lubricants under the Comma brand. Its Rumo segment provides logistics services for rail transportation, port storage, and loading of goods, including grains and sugar; and leases locomotives, wagons, and another railroad equipment, as well as operates containers. The company's Radar segment manages agricultural property. It operates in Brazil, England, France, Spain and Portugal, Argentina, Bolivia, Uruguay and Paraguay, the United States, Asia, and internationally. Cosan S.A. was founded in 1936 and is headquartered in São Paulo, Brazil.

Green Plains NASDAQ:GPRE

$15.58 +0.98 (+6.71%)

Closing price 04:00 PM Eastern

Extended Trading

$15.62 +0.04 (+0.22%)

As of 07:30 PM Eastern

Green Plains Inc. produces low-carbon fuels in the United States and internationally. It operates through three segments: Ethanol Production, Agribusiness and Energy Services, and Partnership. The Ethanol Production segment produces ethanol, distillers grains, and ultra-high protein and renewable corn oil. The Agribusiness and Energy Services segment engages in the grain procurement, handling and storage, commodity marketing business; and trading of ethanol, distiller grains, renewable corn oil, grain, natural gas, and other commodities in various markets. This segment also provides grain drying and storage services to grain producers. The Partnership segment offers fuel storage and transportation services. It operates 24 ethanol storage facilities; two fuel terminal facilities; and a fleet of approximately 2,180 leased railcars. The company was formerly known as Green Plains Renewable Energy, Inc. and changed its name to Green Plains Inc. in May 2014. Green Plains Inc. was incorporated in 2004 and is headquartered in Omaha, Nebraska.

Montauk Renewables NASDAQ:MNTK

$2.35 -0.05 (-2.08%)

Closing price 04:00 PM Eastern

Extended Trading

$2.36 +0.00 (+0.21%)

As of 07:30 PM Eastern

Montauk Renewables, Inc., a renewable energy company, engages in recovery and processing of biogas from landfills and other non-fossil fuel sources. It operates in two segments, Renewable Natural Gas and Renewable Electricity Generation. The company develops, owns, and operates renewable natural gas (RNG) projects that captures methane and prevents it from being released into the atmosphere by converting it into either RNG or electrical power for the electrical grid. Its customers for RNG and renewable identification numbers (RIN) include large, long-term owner-operators of landfills and livestock farms, local utilities, and large refiners in the natural gas and refining sectors. Montauk Renewables, Inc. was founded in 1980 and is headquartered in Pittsburgh, Pennsylvania.

REX American Resources NYSE:REX

$42.80 +1.57 (+3.80%)

Closing price 03:59 PM Eastern

Extended Trading

$42.48 -0.32 (-0.74%)

As of 07:30 PM Eastern

REX American Resources Corporation, together with its subsidiaries, produces and sells ethanol in the United States. The company also offers corn, distillers grains, ethanol, distillers corn oil, gasoline, and natural gas. In addition, it provides dry distillers grains with solubles, which is used as a protein in animal feed. The company was formerly known as REX Stores Corporation and changed its name to REX American Resources Corporation in 2010. REX American Resources Corporation was founded in 1980 and is headquartered in Dayton, Ohio.

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Compare Stocks

Comparative Price Performance Over Time

Compare Price & Volume

Compare Price Performance

Compare Price & Volume

Compare Price Performance

Compare Analyst Forecasts

Current Analyst Ratings Breakdown

Latest GPRE, CSAN, REX, and MNTK Analyst Ratings

Compare Sales & Book Value

Compare Profitability & Earnings

Latest GPRE, CSAN, REX, and MNTK Earnings

Compare Dividends

Compare Debt

Compare Ownership

Institutional Ownership

Insider Ownership

Compare Miscellaneous Stats

GPRE, CSAN, REX, and MNTK Headlines

Recent News About These Companies

New MarketBeat Followers Over Time

Media Sentiment Over Time

Top Headlines

GPRE, CSAN, REX, and MNTK Company Descriptions

Cosan NYSE:CSAN

Green Plains NASDAQ:GPRE

Montauk Renewables NASDAQ:MNTK

REX American Resources NYSE:REX

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Compare Price Performance

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Current Analyst Ratings Breakdown

Latest GPRE, CSAN, REX, and MNTK Analyst Ratings

Compare Sales & Book Value

Compare Profitability & Earnings

Latest GPRE, CSAN, REX, and MNTK Earnings

Compare Dividends

Compare Debt

Compare Ownership

Institutional Ownership

Insider Ownership

Compare Miscellaneous Stats

GPRE, CSAN, REX, and MNTK Headlines

Recent News About These Companies

New MarketBeat Followers Over Time

Media Sentiment Over Time

Top Headlines

GPRE, CSAN, REX, and MNTK Company Descriptions

Cosan NYSE:CSAN

Green Plains NASDAQ:GPRE

Montauk Renewables NASDAQ:MNTK

REX American Resources NYSE:REX

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