CSN Mineracao stock fell 1.98 percent on October 6

Published on 10/07/2026 at 01:50 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

CSN Mineracao stock faced a lower 2026 output range of 39 million-41 million tonnes after the September 29 guidance revision. Second-quarter profit reached BRL 219.4 million, up 89.5 percent year over year.

CSN Mineracao, BRCMINACNOR2, Illustration mit AI erstellt.

CSN Mineracao stock was last at BRL 4.94 on B3 on October 6, 2026, down 1.98 percent at 5:05 p.m. BRT. The move came after the miner reduced its 2026 production and third-party purchase guidance by 6 million tonnes on September 29.

Guidance cuts six million tonnes

According to Folha de S.Paulo on September 29, CSN Mineracao lowered its 2026 output and third-party purchase range from 45 million-47 million tonnes to 39 million-41 million tonnes. The same company update raised projected C1 cash costs from USD 22-23.50 per tonne to USD 25-26 per tonne.

The revision followed a temporary reduction in lower-grade ore processing at the dry plant in the Pires Complex in Ouro Preto, Minas Gerais. The company linked the decision to tighter market conditions and higher freight costs, while stating that the measure could be reversed if margins improve.

Second quarter shows split picture

For the quarter ended June 30, 2026, revenue was BRL 3.6 billion, down 10.5 percent from the comparable period, while net income reached BRL 219.4 million, up 89.5 percent. These figures and the period comparison are reported by OBM in its June 30, 2026 data.

The contrast matters for the stock. Higher net income did not prevent weaker revenue or the new cost guidance from shifting attention toward shipment volumes, freight and the profitability of lower-grade ore.

Stock remains below yearly high

CSN Mineracao's market capitalization was BRL 26.8 billion on October 6, 2026, with a 52-week range of BRL 4.08-7.07. The latest price is BRL 2.13 below the 52-week high, a 30.1 percent gap calculated from the same market figures.

For investors, the next valuation discussion rests on whether the company can stabilize costs while keeping the stronger profit level visible in the second quarter.