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 29 November 2025

Blog+More

Internal capital markets and financial constraints

Charlene Vos

2022-10-15 09:34:00 Saturday ET

Internal capital markets and financial constraints

Internal capital markets and financial constraints Duchin (JF 2010) empirically finds that multidivisional firms with robust internal capital markets ret

+See More

The U.S. further derisks and decouples from China.

Peter Prince

2023-05-31 03:15:40 Wednesday ET

The U.S. further derisks and decouples from China.

The U.S. further derisks and decouples from China.   Why does the U.S. seek to further economically decouple from China? In recent times, th

+See More

Corporate ownership governance theory and practice

Monica McNeil

2022-04-25 10:34:00 Monday ET

Corporate ownership governance theory and practice

Corporate ownership governance theory and practice  The genesis of modern corporate governance and ownership studies traces back to the seminal work

+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 Meta Platforms (U.S. stock symbol: $META).

Daisy Harvey

2025-09-21 12:32:00 Sunday 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 Meta Platforms (U.S. stock symbol: $META).

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

AYA finbuzz podcast offers fresh insights into the latest stock market topics and economic trends for better stock investment decisions.

Amy Hamilton

2019-08-31 14:39:00 Saturday ET

AYA finbuzz podcast offers fresh insights into the latest stock market topics and economic trends for better stock investment decisions.

AYA Analytica finbuzz podcast channel on YouTube August 2019 In this podcast, we discuss several topical issues as of August 2019: (1) Warren B

+See More

Tencent Music Entertainment debuts its IPO on NYSE to strike a chord with stock market investors.

Amy Hamilton

2018-12-19 17:41:00 Wednesday ET

Tencent Music Entertainment debuts its IPO on NYSE to strike a chord with stock market investors.

Tencent Music Entertainment debuts its IPO on NYSE to strike a chord with stock market investors. Tencent Music goes public and marks the biggest IPO by a m

+See More