Ero Copper Corp (ERO)vsJ-Star Holding Co., Ltd. Ordinary Shares (YMAT)
ERO
Ero Copper Corp
$27.05
+7.00%
BASIC MATERIALS · Cap: $2.62B
YMAT
J-Star Holding Co., Ltd. Ordinary Shares
$1.78
+2.89%
BASIC MATERIALS · Cap: $6.80M
Smart Verdict
WallStSmart Research — data-driven comparison
Ero Copper Corp generates 9208% more annual revenue ($923.93M vs $9.93M). ERO leads profitability with a 31.6% profit margin vs -203.2%. ERO earns a higher WallStSmart Score of 78/100 (B+).
ERO
Strong Buy78
out of 100
Grade: B+
YMAT
Hold49
out of 100
Grade: D+
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-17.9%
Fair Value
$26.73
Current Price
$27.05
$0.32 premium
Intrinsic value data unavailable for YMAT.
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Attractively priced relative to earnings
Every $100 of equity generates 33 in profit
Keeps 32 of every $100 in revenue as profit
Strong operational efficiency at 34.7%
Revenue surging 110.4% year-over-year
Reasonable price relative to book value
Strong operational efficiency at 3137.0%
Revenue surging 30.7% year-over-year
Conservative balance sheet, low leverage
Reasonable price relative to book value
Areas to Watch
No major concerns identified
Smaller company, higher risk/reward
Weak financial health signals
ROE of -649.0% — below average capital efficiency
Earnings declined 56.4%
Comparative Analysis Report
WallStSmart ResearchBull Case : ERO
The strongest argument for ERO centers on P/E Ratio, Return on Equity, Profit Margin. Profitability is solid with margins at 31.6% and operating margin at 34.7%. Revenue growth of 110.4% demonstrates continued momentum.
Bull Case : YMAT
The strongest argument for YMAT centers on Operating Margin, Revenue Growth, Debt/Equity. Revenue growth of 30.7% demonstrates continued momentum.
Bear Case : ERO
No major red flags identified for ERO, but monitor valuation.
Bear Case : YMAT
The primary concerns for YMAT are Market Cap, Piotroski F-Score, Return on Equity.
Key Dynamics to Monitor
ERO profiles as a growth stock while YMAT is a hypergrowth play — different risk/reward profiles.
ERO is growing revenue faster at 110.4% — sustainability is the question.
ERO generates stronger free cash flow (20M), providing more financial flexibility.
Monitor COPPER industry trends, competitive dynamics, and regulatory changes.
Bottom Line
ERO scores higher overall (78/100 vs 49/100), backed by strong 31.6% margins and 110.4% revenue growth. Both earn "Strong Buy" and "Hold" ratings respectively — the choice depends on your investment horizon and risk tolerance.
This analysis is generated from publicly available financial data. Not financial advice.
Ero Copper Corp
BASIC MATERIALS · COPPER · USA
Ero Copper Corp. The company is headquartered in Vancouver, Canada.
J-Star Holding Co., Ltd. Ordinary Shares
BASIC MATERIALS · SPECIALTY CHEMICALS · USA
J-Star Holding Co., Ltd. manufactures and trades in bicycles, sports accessories, and carbon fiber composite products in Taiwan and internationally. The company is headquartered in Taichung, Taiwan.
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