Duolingo Inc. Class A Common Stock (NASDAQ:DUOL)

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

Duolingo Inc. provides mobile language learning platform. Duolingo Inc. is based in PITTSBURGH....

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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

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It can be practical for the U.S. to impose the 2% Warren wealth tax on the rich.

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2019-02-03 13:39:00 Sunday ET

It can be practical for the U.S. to impose the 2% Warren wealth tax on the rich.

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President Trump targets Amazon in his call for U.S. Postal Service to charge higher delivery prices on the ecommerce giant.

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Corporate diversification theory and evidence A recent strand of corporate diversification literature spans at least three generations. The first generat

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A brief biography of Andy Yeh

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Most major economies grow with great synchronicity several years after the global financial crisis.

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2018-01-19 11:32:00 Friday ET

Most major economies grow with great synchronicity several years after the global financial crisis.

Most major economies grow with great synchronicity several years after the global financial crisis. These economies experience high stock market valuation,

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