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 17 January 2026

Blog+More

A Harvard MBA graduate Camilo Maldonado shares several life lessons and wise insights into personal finance.

James Campbell

2019-05-17 15:24:00 Friday ET

A Harvard MBA graduate Camilo Maldonado shares several life lessons and wise insights into personal finance.

A Harvard MBA graduate Camilo Maldonado shares several life lessons and wise insights into personal finance. People can leverage stock market investments an

+See More

AYA free finbuzz analytic report on the U.S. top tech titans FAMGA Spring-Summer 2020

Chanel Holden

2020-05-05 09:31:00 Tuesday ET

AYA free finbuzz analytic report on the U.S. top tech titans FAMGA Spring-Summer 2020

Our fintech finbuzz analytic report shines fresh light on the fundamental prospects of U.S. tech titans Facebook, Apple, Microsoft, Google, and Amazon (F.A.

+See More

The top Sino-U.S. tech titans now reach the trademark total market capitalization of $4 trillion as of July 2018.

Fiona Sydney

2018-07-07 10:33:00 Saturday ET

The top Sino-U.S. tech titans now reach the trademark total market capitalization of $4 trillion as of July 2018.

The east-west tech rivalry intensifies between BATs (Baidu, Alibaba, and Tencent) and FAANGs (Facebook, Apple, Amazon, Netflix, and Google). These Sino-U.S.

+See More

Our proprietary alpha investment model outperforms most stock market indices such as S&P 500, Dow Jones, and Nasdaq.

Andy Yeh Alpha

2019-02-01 15:35:00 Friday ET

Our proprietary alpha investment model outperforms most stock market indices such as S&P 500, Dow Jones, and Nasdaq.

Our proprietary alpha investment model outperforms the major stock market benchmarks such as S&P 500, MSCI, Dow Jones, and Nasdaq. We implem

+See More

Disney acquires 21st Century Fox in a $52 billion landmark deal.

Amy Hamilton

2017-12-15 07:42:00 Friday ET

Disney acquires 21st Century Fox in a $52 billion landmark deal.

Disney acquires 21st Century Fox in a $52 billion landmark deal. This deal has a total value of about $66 billion while Disney assumes $14 billion of Fox

+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