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We rate Ero Copper Corp. (ERO) as a Hold with a composite score of 62.7/100 at a current price of $33.70. The stock presents a mixed quantitative picture — neither compelling enough to warrant new accumulation nor weak enough to justify selling for existing holders. Our factors are split, and the overall profile suggests patience is warranted.

The rating is primarily driven by strength in momentum (77th percentile) and quality (74th percentile), which together account for the majority of the composite score. All factors score above the 40th percentile, indicating no material weakness in the quantitative profile. We assign a No Moat rating (37/100), Very High uncertainty, and Poor capital allocation.

Key items to watch: balance sheet deleveraging progress; the path to profitability. Any material change in these dynamics could warrant a reassessment of our rating. The moat trend is stable, which suggests the competitive landscape is stable for now.

Ero Copper Corp. holds a lower-quartile position (#44 of 50) within the Mining sector, based on our composite quantitative scoring across quality, value, momentum, and stability factors. The composite score of 62.7/100 places it at rank #447 in our full 7,333-stock universe. At $1.4B in market capitalization, Ero Copper Corp. is a small-cap player in the Mining space, which limits certain scale advantages but may allow for more agile strategic execution.

The outlook is moderately positive, with revenue expanding at 10% and favorable momentum (77th percentile) reflecting constructive market sentiment. The business shows steady execution, though the growth rate is below the levels typically associated with high-conviction growth stories. Momentum confirmation provides support for the current price level.

The margin cascade tells an important story: gross margins of 38% (-4.8pp vs sector) narrow to operating margins of 23% (+10.9pp vs sector) and net margins of -14.4%, yielding a gross-to-net conversion rate of -38%. The significant margin erosion from gross to net suggests elevated operating expenses, high interest costs, or other structural drags that warrant monitoring.

At a current price of $33.70, Ero Copper Corp. is trading near fair value based on current fundamentals. Our value factor score of 56/100 reflects a composite assessment across multiple valuation metrics including price-to-earnings, price-to-book, EV/EBITDA, and price-to-sales ratios relative to both sector peers and the broader market. Valuation metrics are mixed, with no strong signal of mispricing in either direction.

The stock currently trades at P/B of 5.3x, P/S of 1.7x. We evaluate these multiples in the context of both absolute levels and sector-relative positioning to form our valuation view.

We assign a Very High uncertainty rating to Ero Copper Corp.. The stock exhibits multiple compounding risk factors: significant leverage (104% debt-to-equity), current negative profitability (net margin -14.4%), the combination of leverage (104% D/E) and thin margins (-14.4% net) amplifies downside risk. The extreme uncertainty around future cash flows makes precise valuation difficult, and the range of outcomes is exceptionally wide. Only investors with high risk tolerance and extended time horizons should consider this name.

Specific risk factors that inform our assessment include: significant leverage (104% debt-to-equity); current negative profitability (net margin -14.4%); the combination of leverage (104% D/E) and thin margins (-14.4% net) amplifies downside risk. Each of these factors independently widens the distribution of potential outcomes, and in combination they create a risk profile that demands careful position sizing. The stability factor at the 44th percentile and quality factor at the 74th percentile provide a quantitative summary of the overall risk landscape.

We identify limited risk mitigants at this time, which contributes to our very high uncertainty assessment. Investors should monitor for improvement in balance sheet metrics, margin stability, and business predictability that could warrant a downgrade in our risk assessment over time.

We rate Ero Copper Corp.'s capital allocation as Poor. Key concerns include low returns on equity (-46.2%), negative profitability, weak asset returns (ROA -18.6%). Exemplary capital allocators generate ROE above 20% and maintain conservative leverage — Ero Copper Corp. significantly underperforms these benchmarks, raising questions about management's ability to create shareholder value.

Investors should scrutinize management's reinvestment decisions and balance sheet trajectory before committing capital. Poor capital allocation often compounds over time: overlevered balance sheets limit strategic flexibility, while low returns on capital destroy shareholder value. We would need to see sustained improvement in profitability metrics and balance sheet discipline before considering an upgrade.

In summary, Ero Copper Corp. receives a Hold rating with a composite score of 62.7/100 (rank #447 of 7,333). Our quantitative framework assigns a No Moat (37/100, trend: stable), Very High uncertainty, and Poor capital allocation. The average factor score across quality, value, momentum, stability, and investment is 61/100.

Our analysis supports a neutral stance on Ero Copper Corp.. While the quantitative profile is not weak enough to warrant selling, it lacks the multi-factor strength required for a buy recommendation. Existing holders should maintain positions and monitor for catalysts — either fundamental improvement or valuation compression — that would shift the risk-reward balance.