Companhia Siderurgica Nacional S.A. Common Stock (NYSE:SID)

Real-time price: | Most recent change:0.00%

Companhia Sider'rgica Nacional or National Steel Company is one of the largest fully integrated steel producers in Brazil and Latin America in terms of crude steel production. The Steel segment comprises a portfolio of diverse products and provides an international footprint by means of international subsidiaries and exports from Brazil. In flat steel segment, NSC is a fully-integrated steelmaker. Steelworks produces a broad line of steel products, including slabs, hot and cold rolled, galvanized and tin mill products for the distribution, packaging, automotive, home appliance and construction industries. In Mining unit, NSC owns a number of high quality iron ore mines, strategically located within Brazil's 'Iron Ore Quadrangle'. In Logistics unit, NSC's vertical integration strategy and the synergies among business units are strongly dependent on the logistics needed to guarantee the transportation of inputs at low cost....

+See More


Here we provide our AYA proprietary alpha stock signals for all premium members on our AYA fintech network platform. Specifically, a high Fama-French multi-factor dynamic conditional alpha suggests that the stock is likely to consistently outperform the broader stock market benchmarks such as S&P 500, Dow Jones, Nasdaq, Russell 3000, MSCI USA, and MSCI World etc. Since March 2023, our proprietary alpha stock signals retain U.S. Patent and Trademark Office (USPTO) fintech patent protection, approval, and accreditation for 20 years. Our homepage and blog articles provide more details on this proprietary alpha stock market investment model with robust long-term historical backtest evidence.

Sharpe-Lintner-Black CAPM alpha (Premium Members Only) Fama-French (1993) 3-factor alpha (Premium Members Only) Fama-French-Carhart 4-factor alpha (Premium Members Only) Fama-French (2015) 5-factor alpha (Premium Members Only) Fama-French-Carhart 6-factor alpha (Premium Members Only) Dynamic conditional 6-factor alpha (Premium Members Only) Last update: Saturday 31 January 2026

Blog+More

Facebook faces a major data breach by Cambridge Analytica that has harvested information from 50 million Facebook users.

Amy Hamilton

2018-03-17 09:35:00 Saturday ET

Facebook faces a major data breach by Cambridge Analytica that has harvested information from 50 million Facebook users.

Facebook faces a major data breach by Cambridge Analytica that has harvested private information from more than 50 million Facebook users. In a Facebook pos

+See More

Federal Reserve reduces the interest rate by another quarter point to the target range of 1.75%-2% in September 2019.

John Fourier

2019-10-07 12:35:00 Monday ET

Federal Reserve reduces the interest rate by another quarter point to the target range of 1.75%-2% in September 2019.

Federal Reserve reduces the interest rate by another key quarter point to the target range of 1.75%-2% in September 2019. In accordance with the Federal Res

+See More

Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fundamental analysis of Microsoft (U.S. stock symbol: $MSFT).

Monica McNeil

2025-09-16 09:27:00 Tuesday ET

Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fundamental analysis of Microsoft (U.S. stock symbol: $MSFT).

Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fund

+See More

Thomas Piketty connects the dots between economic growth and inequality worldwide with long-term global empirical evidence.

Chanel Holden

2023-05-28 10:24:00 Sunday ET

Thomas Piketty connects the dots between economic growth and inequality worldwide with long-term global empirical evidence.

Thomas Piketty connects the dots between economic growth and inequality worldwide with long-term global empirical evidence. Thomas Piketty (2017) &nbs

+See More

Presidents Trump and Xi agree on an interim trade truce at the G20 summit in Argentina.

Apple Boston

2018-12-09 08:44:00 Sunday ET

Presidents Trump and Xi agree on an interim trade truce at the G20 summit in Argentina.

President Trump meets with Chinese President Xi again at the G20 summit in the city of Buenos Aires, Argentina, in late-November 2018. President Donald Trum

+See More

President Donald Trump blames China for the long prevalent U.S. trade deficits and several other social and economic deficiencies.

Apple Boston

2025-01-22 08:35:08 Wednesday ET

President Donald Trump blames China for the long prevalent U.S. trade deficits and several other social and economic deficiencies.

President Donald Trump blames China for the long prevalent U.S. trade deficits and several other social and economic deficiencies. In recent years, Pres

+See More