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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.

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
MTAL MAC Copper	$12.14 +0.0%	$12.07	$7.69 ▼ $14.31	$999.98M	0.37	855,163 shs	461,671 shs
NB NioCorp Developments	$4.01 +7.8%	$3.23	$1.27 ▼ $5.09	$218.73M	-0.35	5.20 million shs	3.13 million shs
NEXA Nexa Resources	$4.85 -0.9%	$4.89	$4.44 ▼ $9.61	$647.23M	0.98	15,696 shs	23,888 shs
SGML Sigma Lithium	$5.94 -7.3%	$5.58	$4.25 ▼ $15.56	$713.51M	0.07	3.55 million shs	2.96 million shs

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Compare Price Performance

Company	1-Day Performance	7-Day Performance	30-Day Performance	90-Day Performance	1-Year Performance
MTAL MAC Copper	+0.08%	+0.04%	+0.83%	+21.41%	+5.61%
NB NioCorp Developments	+7.80%	-17.15%	+22.26%	+67.08%	+81.04%
NEXA Nexa Resources	-0.92%	-0.21%	-2.52%	-9.18%	-27.14%
SGML Sigma Lithium	-7.33%	+1.37%	-11.87%	0.00%	-42.55%

Compare MarketRank™

Company	Overall Score	Analyst's Opinion	Short Interest Score	Dividend Strength	News and Social Media Sentiment	Company Ownership	Earnings & Valuation
MTAL MAC Copper	1.2829 of 5 stars	1.0	3.0	0.0	2.0	1.7	1.9
NB NioCorp Developments	1.2749 of 5 stars	2.5	2.0	0.0	3.0	0.8	0.0
NEXA Nexa Resources	1.9226 of 5 stars	1.7	5.0	1.7	1.3	0.0	0.6
SGML Sigma Lithium	3.136 of 5 stars	3.5	3.0	0.0	2.2	3.3	0.6

Compare Analyst Forecasts

Company	Consensus Rating Score	Consensus Rating	Consensus Price Target	% Upside from Current Price
MTAL MAC Copper	2.00	Hold	$12.63	4.04% Upside
NB NioCorp Developments	3.00	Buy	$4.50	12.22% Upside
NEXA Nexa Resources	1.40	Strong Sell	$5.70	17.65% Upside
SGML Sigma Lithium	3.00	Buy	$16.00	169.36% Upside

Current Analyst Ratings Breakdown

Latest NB, MTAL, SGML, and NEXA Analyst Ratings

Date	Company	Brokerage	Action	Rating	Price Target
8/5/2025	NEXA Nexa Resources	Scotiabank Subscribe to MarketBeat All Access for the recommendation accuracy rating	Set Price Target	Sector Underperform ➝ Sector Underperform	$4.50 ➝ $4.00
7/15/2025	NEXA Nexa Resources	Morgan Stanley Subscribe to MarketBeat All Access for the recommendation accuracy rating	Downgrade	Equal Weight ➝ Underweight	$7.00 ➝ $5.00
7/11/2025	MTAL MAC Copper	Canaccord Genuity Group Subscribe to MarketBeat All Access for the recommendation accuracy rating	Downgrade	Strong-Buy ➝ Hold
7/11/2025	NB NioCorp Developments	Maxim Group Subscribe to MarketBeat All Access for the recommendation accuracy rating	Boost Price Target	Buy ➝ Buy	$4.00 ➝ $5.00
7/3/2025	NB NioCorp Developments	HC Wainwright Subscribe to MarketBeat All Access for the recommendation accuracy rating	Lower Price Target	Buy ➝ Buy	$4.25 ➝ $4.00
6/4/2025	NEXA Nexa Resources	Royal Bank Of Canada Subscribe to MarketBeat All Access for the recommendation accuracy rating	Lower Price Target	Sector Perform	$8.00 ➝ $7.00
6/3/2025	MTAL MAC Copper	BMO Capital Markets Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Outperform ➝ Market Perform	$11.00 ➝ $12.25
5/27/2025	MTAL MAC Copper	Scotiabank Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Sector Outperform ➝ Sector Perform	$13.00

(Data available from 8/21/2022 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
MTAL MAC Copper	$340.74M	2.94	$0.10 per share	122.86	$6.74 per share	1.80
NB NioCorp Developments	N/A	N/A	N/A	N/A	$0.03 per share	N/A
NEXA Nexa Resources	$2.77B	0.23	$1.87 per share	2.59	$8.01 per share	0.60
SGML Sigma Lithium	$152.36M	4.34	N/A	N/A	$0.83 per share	7.16

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
MTAL MAC Copper	-$81.69M	N/A	0.00	12.51	N/A	N/A	N/A	N/A	10/22/2025 (Estimated)
NB NioCorp Developments	-$16.70M	-$0.34	N/A	N/A	N/A	N/A	-298.16%	-91.68%	9/22/2025 (Estimated)
NEXA Nexa Resources	-$205.03M	-$0.68	N/A	5.57	1.92	-3.26%	-6.54%	-1.60%	10/30/2025 (Estimated)
SGML Sigma Lithium	-$51.07M	-$0.44	N/A	6.06	N/A	-35.69%	-47.19%	-13.66%	8/21/2025 (Estimated)

Latest NB, MTAL, SGML, and NEXA Earnings

Date	Quarter	Company	Consensus Estimate	Reported EPS	Beat/Miss	Gap EPS	Revenue Estimate	Actual Revenue
8/14/2025	Q2 2025	SGML Sigma Lithium	-$0.03	-$0.17	-$0.14	-$0.17	$50.44 million	$16.89 million
7/31/2025	Q2 2025	NEXA Nexa Resources	-$0.05	$0.11	+$0.16	$0.01	$625.20 million	$708.42 million
7/11/2025	Q4 2025	NB NioCorp Developments	N/A	-$0.16	N/A	-$0.16	N/A	N/A

Compare Dividends

Company	Annual Payout	Dividend Yield	3-Year Dividend Growth	Payout Ratio	Years of Consecutive Growth
MTAL MAC Copper	N/A	N/A	N/A	N/A	N/A
NB NioCorp Developments	N/A	N/A	N/A	N/A	N/A
NEXA Nexa Resources	$0.10	2.06%	N/A	N/A	N/A
SGML Sigma Lithium	N/A	N/A	N/A	N/A	N/A

Latest NB, MTAL, SGML, and NEXA Dividends

Announcement	Company	Period	Amount	Yield	Ex-Dividend Date	Record Date	Payable Date
6/3/2025	NEXA Nexa Resources	--	$0.1012		6/10/2025	6/10/2025	6/24/2025

(Data available from 1/1/2013 forward)

Compare Debt

Company	Debt-to-Equity Ratio	Current Ratio	Quick Ratio
MTAL MAC Copper	0.63	1.12	0.97
NB NioCorp Developments	N/A	1.22	1.22
NEXA Nexa Resources	1.54	0.99	0.64
SGML Sigma Lithium	1.26	0.60	0.67

Compare Ownership

Institutional Ownership

Company	Institutional Ownership
MTAL MAC Copper	87.47%
NB NioCorp Developments	4.03%
NEXA Nexa Resources	N/A
SGML Sigma Lithium	64.86%

Insider Ownership

Company	Insider Ownership
MTAL MAC Copper	1.78%
NB NioCorp Developments	19.10%
NEXA Nexa Resources	N/A
SGML Sigma Lithium	48.60%

Compare Miscellaneous Stats

Company	Employees	Shares Outstanding	Free Float	Optionable
MTAL MAC Copper	2,021	82.44 million	80.97 million	Not Optionable
NB NioCorp Developments	8	58.80 million	47.57 million	Not Optionable
NEXA Nexa Resources	5,253	132.44 million	N/A	Optionable
SGML Sigma Lithium	250	111.31 million	57.21 million	Optionable

NB, MTAL, SGML, and NEXA Headlines

Recent News About These Companies

Sigma Lithium (NASDAQ:SGML) Trading Up 6.9% - Should You Buy?

August 20 at 2:39 PM | marketbeat.com

Sigma Lithium (NASDAQ:SGML) Stock Rating Lowered by Wall Street Zen

August 18 at 2:33 AM | americanbankingnews.com

Sigma Lithium (NASDAQ:SGML) Sees Unusually-High Trading Volume - Still a Buy?

August 17, 2025 | marketbeat.com

Sigma Lithium Corporation (NASDAQ:SGML) Q2 2025 Earnings Call Transcript

August 17, 2025 | msn.com

Sigma Lithium (NASDAQ:SGML) Downgraded by Wall Street Zen to "Sell"

August 17, 2025 | marketbeat.com

Sigma Lithium Reports 2Q25 Results: Delivers On-Target Production, Further Cost...

August 15, 2025 | juniorminingnetwork.com

Sigma Lithium Achieves Production Targets Amid Strategic Sales Withholding

August 15, 2025 | msn.com

Sigma Lithium surges as quarterly output rises, costs fall

August 15, 2025 | mining.com

Sigma Lithium Corporation (SGML) Q2 2025 Earnings Call Transcript

August 15, 2025 | seekingalpha.com

Sigma Lithium Corporation 2025 Q2 - Results - Earnings Call Presentation

August 15, 2025 | seekingalpha.com

Sigma Lithium Corporation: Sigma Lithium Reports 2Q25 Results: Delivers On-target Production, Further Cost Reductions And Deleveraging

August 15, 2025 | finanznachrichten.de

SIGMA LITHIUM REPORTS 2Q25 RESULTS: DELIVERS ON-TARGET PRODUCTION, FURTHER COST REDUCTIONS AND DELEVERAGING

August 15, 2025 | prnewswire.com

Sigma Lithium (SGML) Projected to Post Quarterly Earnings on Thursday

August 15, 2025 | marketbeat.com

Sigma Lithium Q2 2025 Earnings Preview

August 13, 2025 | msn.com

Sigma Lithium (NASDAQ:SGML) Shares Down 7.1% - Should You Sell?

August 13, 2025 | marketbeat.com

Sigma Lithium (NASDAQ:SGML) Shares Gap Up - Here's What Happened

August 12, 2025 | marketbeat.com

Lithium stocks rally as CATL mine halt raises prospects of tighter supply

August 11, 2025 | investing.com

Tesla Supplier Idles Mine, Lighting Up Lithium Stocks — For Now

August 11, 2025 | msn.com

Albemarle tops S&P 500, leading lithium shares after CATL shuts one of world's biggest mines

August 11, 2025 | msn.com

SIGMA LITHIUM STREAMLINES LEADERSHIP COMBINING KEY ROLES UNDER VETERAN VPs; ANNOUNCES SHAREHOLDER MEETING RESULTS; TO RELEASE 2Q FINANCIALS ON AUG 14, 2025

August 8, 2025 | prnewswire.com

Sigma Lithium (NASDAQ:SGML) Stock Price Down 8.9% - Time to Sell?

July 30, 2025 | marketbeat.com

New MarketBeat Followers Over Time

Media Sentiment Over Time

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NB, MTAL, SGML, and NEXA Company Descriptions

MAC Copper NYSE:MTAL

$12.14 +0.01 (+0.04%)

Closing price 08/20/2025 03:59 PM Eastern

Extended Trading

$12.06 -0.07 (-0.61%)

As of 08/20/2025 07:29 PM Eastern

Metals Acquisition Limited focuses on mining and production of copper and silver. It operates the CSA copper mine in Cobar, Australia. The company was incorporated in 2022 and is headquartered in Saint Helier, Jersey.

NioCorp Developments NASDAQ:NB

$4.01 +0.29 (+7.80%)

Closing price 08/20/2025 04:00 PM Eastern

Extended Trading

$4.07 +0.06 (+1.37%)

As of 07:55 AM Eastern

NioCorp Developments Ltd. engages in the exploration and development of mineral deposits in North America. It owns and develops the Elk Creek niobium/scandium/titanium project that owns one 226.43-acre parcel of land and associated mineral rights, and an additional 40 acres of mineral rights, as well as an optioned land package that covers an area of 1,396 acres located in Johnson County, southeast Nebraska. The company was formerly known as Quantum Rare Earth Developments Corp. and changed its name to NioCorp Developments Ltd. in March 2013. NioCorp Developments Ltd. was incorporated in 1987 and is headquartered in Centennial, Colorado.

Nexa Resources NYSE:NEXA

$4.84 -0.05 (-0.92%)

Closing price 08/20/2025 03:59 PM Eastern

Extended Trading

$4.86 +0.02 (+0.31%)

As of 08/20/2025 04:10 PM Eastern

Nexa Resources S.A., together with its subsidiaries, engages in the zinc mining and smelting business worldwide. The company operates in two segments, Mining and Smelting. It produces zinc, zamac, zinc oxide, and zincal, as well as by-products, such as copper, lead, silver, gold, copper sulfate, sulfuric acid, copper cementum, silver concentrate, slag aggregates, and cadmium/sponge deposits. The company owns and operates six polymetallic mines, including three located in the Central Andes of Peru; two located in the State of Minas Gerais in Brazil; and one located in the State of Mato Grosso in Brazil. It also owns and operates three zinc smelters comprising one located in Cajamarquilla in Peru; and two located in the State of Minas Gerais in Brazil, which recovers and produces metallic zinc, zinc oxide, and by-products, such as sulfuric acid. The company also exports its products. Its products are used in civil construction, transportation, energy, agriculture, health, and consumer goods industries. The company was formerly known as VM Holding S.A. and changed its name to Nexa Resources S.A. in September 2017. The company was founded in 1956 and is based in Luxembourg, Luxembourg. Nexa Resources S.A. operates as a subsidiary of Votorantim S.A.

Sigma Lithium NASDAQ:SGML

$5.94 -0.47 (-7.33%)

Closing price 08/20/2025 04:00 PM Eastern

Extended Trading

$5.94 +0.00 (+0.08%)

As of 07:51 AM Eastern

Sigma Lithium Corporation engages in the exploration and development of lithium deposits in Brazil. It holds a 100% interest in the Grota do Cirilo, Genipapo, Santa Clara, and São José properties comprising 29 mineral rights covering an area of approximately 185 square kilometers located in the Araçuaí and Itinga regions of the state of Minas Gerais, Brazil. It serves electric vehicle industries worldwide. The company was formerly known as Sigma Lithium Resources Corporation and changed its name to Sigma Lithium Corporation in July 2021. The company is headquartered in São Paulo, Brazil.

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Comparative Price Performance Over Time