Sao Martinho stock faces weaker sugar and ethanol margins as latest crop year earnings soften
Published on 08/29/2026 at 21:48 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS
Sao Martinho stock, issued by Sao Martinho S.A. (BRSMTOACNOR3), is trading against a backdrop of softer operating trends in the current sugarcane crop year, with the latest third-quarter 2026 results showing a double-digit revenue decline and a significant drop in EBITDA as of the company’s 3T26 reporting period.
Latest crop year earnings show mixed picture
Per an earnings analysis of Sao Martinho’s 3T26 results, the company reported net revenue of R$1.6 billion in the third quarter of the 2026 crop year, which represents a 13.6 percent decrease compared with the 3T25 period in the prior crop year. This same overview notes that adjusted EBITDA fell to R$787.1 million in 3T26, down 25.6 percent year over year, signaling margin pressure in both sugar and ethanol operations.
The analysis highlights that Sao Martinho’s reported net income for 3T26 reached R$424.1 million, an increase of 168.5 percent compared with 3T25, driven mainly by non-recurring accounting effects rather than underlying operating strength. When those non-recurring effects are excluded, recurring net income in 3T26 was R$147.6 million, which still marks a 25.4 percent year-over-year increase versus the comparable 3T25 figure, indicating that despite weaker revenue and EBITDA, core profitability improved modestly.
Operational trends in sugar and ethanol
The same crop year commentary explains that the revenue decline in 3T26 was led by the ethanol segment, where revenue dropped 33 percent versus 3T25. This ethanol revenue decline was driven largely by a 38.8 percent reduction in volume sold in the quarter, partially offset by a 9.4 percent increase in average selling prices, underscoring how lower physical sales outweighed improved pricing.
The analysis characterizes the quarter as operationally weaker, with declining revenue and pressured margins across Sao Martinho’s portfolio. Looking ahead to the 2027 crop year, expectations outlined in this commentary point to a projected 3 percent decrease in revenue, a 7 percent decline in EBITDA and a 50 percent reduction in net income compared with the current crop year baseline, reflecting cautious assumptions for both sugar and ethanol markets in Brazil.
Valuation and investor context
The same source notes that Sao Martinho’s shares are trading at 7 times earnings and 5 times EBITDA on a current multiple basis, which is below the company’s historical averages. For investors, these lower valuation multiples suggest that the market has already priced in some of the weaker operating momentum and cautious outlook for the 2027 crop year.
At the same time, the commentary emphasizes that visibility on future growth remains limited and depends heavily on macroeconomic and commodity factors outside the company’s control, including global sugar prices, domestic fuel policy and broader demand dynamics for ethanol. This mix of pressured current earnings, modest recurring profit growth and a more conservative forward view frames the current narrative around Sao Martinho stock.
Core sugar and ethanol operations
Sao Martinho S.A. operates one of Brazil’s largest integrated sugarcane complexes, with activities spanning cultivation of sugarcane fields, processing into sugar and ethanol, and cogeneration of bioenergy from bagasse. The company’s scale allows it to optimize crop planning and harvest timing across its mills, which is particularly important in crop years where commodity prices are volatile and weather conditions vary across regions.
Within sugar, Sao Martinho focuses on both export and domestic markets, selling raw and refined sugar to industrial customers and traders. In ethanol, the company produces both hydrous and anhydrous ethanol for blending into gasoline and for use in flex-fuel vehicles, which remain a key part of Brazil’s transportation fuel mix. This dual exposure to sugar and ethanol gives Sao Martinho operational flexibility, but also exposes the company to swings in both sugar prices on global exchanges and fuel demand and regulation in Brazil.
Stock and crop-year backdrop
For Sao Martinho stock, the latest 3T26 figures show that while recurring net income improved to R$147.6 million compared with the prior crop-year quarter, this came alongside a 13.6 percent drop in net revenue to R$1.6 billion and a 25.6 percent reduction in adjusted EBITDA to R$787.1 million versus 3T25. This combination of lower top-line and weaker operating profit contrasted with the headline net income surge to R$424.1 million, which was largely driven by non-recurring accounting items rather than underlying operational gains.
Looking to the 2027 crop year, expectations of a 3 percent decline in revenue, 7 percent decline in EBITDA and a 50 percent reduction in net income relative to the current crop year indicate that analysts and market commentators are building in a softer profit trajectory. For investors evaluating Sao Martinho stock today, that forward view, combined with the current valuation at 7 times earnings and 5 times EBITDA, provides an important context for weighing potential upside from any improvement in sugar and ethanol fundamentals against the risk of continued margin pressure.
Representative product: sugar and ethanol output
A representative product of Sao Martinho’s business model is its combined output of crystal sugar and fuel ethanol produced from sugarcane. Through its integrated mills, the company can adjust the mix between sugar and ethanol production depending on relative price signals, allocating more cane to sugar when international sugar prices are attractive and shifting toward ethanol when domestic fuel demand and pricing offer better returns.
This flexibility is central to Sao Martinho’s strategy, as it seeks to maximize the economic value of each ton of sugarcane harvested while managing exposure to cyclical swings in both commodity markets. It also underpins the company’s role in Brazil’s broader biofuels ecosystem, where ethanol remains an important component of efforts to reduce carbon emissions from transport and leverage the country’s natural advantages in sugarcane cultivation.
Sao Martinho stock and market view
As of the latest reported 3T26 crop-year figures, Sao Martinho stock reflects a business that is experiencing softer revenue and EBITDA but still delivering higher recurring net income compared with the prior crop year’s third quarter, supported by operational efficiencies and pricing in some segments. The valuation at 7 times earnings and 5 times EBITDA, below historical averages, suggests that investors are cautious, balancing the benefit of Sao Martinho’s scale and integrated sugarcane operations against the near-term expectation of declining revenue, EBITDA and net income in the 2027 crop year.
