Castle Biosciences Inc. Common Stock (NASDAQ:CSTL)

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

Castle Biosciences Inc. is a commercial-stage dermatological cancer company. It is focused on providing physicians and patients, clinically actionable genomic information. Castle Biosciences Inc. is based in Texas, United States....

+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 7 February 2026

Blog+More

Central banks learn to weigh the monetary policy trade-offs between output and inflation expectations and macro-financial stress conditions.

Becky Berkman

2026-01-31 10:31:00 Saturday ET

Central banks learn to weigh the monetary policy trade-offs between output and inflation expectations and macro-financial stress conditions.

  In recent years, several central banks conduct, assess, and discuss the core lessons, rules, and challenges from their monetary policy framework r

+See More

Dr Karl Ulrich explains that many elite universities now provide massive open online courses (MOOCs) for lifelong learners to achieve their medium-term goals for better intellectual focus, immersion, personal growth, and self-improvement.

Charlene Vos

2025-08-09 11:31:00 Saturday ET

Dr Karl Ulrich explains that many elite universities now provide massive open online courses (MOOCs) for lifelong learners to achieve their medium-term goals for better intellectual focus, immersion, personal growth, and self-improvement.

Wharton e-commerce entrepreneurship professor Dr Karl Ulrich explains that many top-notch universities now provide massive open online courses (MOOCs) for m

+See More

Personal finance and investment author Thomas Corley studies and shares the rich habits of self-made millionaires.

Charlene Vos

2018-03-23 08:26:00 Friday ET

Personal finance and investment author Thomas Corley studies and shares the rich habits of self-made millionaires.

Personal finance and investment author Thomas Corley studies and shares the rich habits of self-made millionaires. Corley has spent 5 years studying the dai

+See More

Apple becomes the first company to hit $1 trillion stock market valuation.

Becky Berkman

2018-08-01 11:43:00 Wednesday ET

Apple becomes the first company to hit $1 trillion stock market valuation.

Apple becomes the first company to hit $1 trillion stock market valuation. The tech titan sells about the same number of smart phones or 41 million iPhones

+See More

American parents often worry about money and upward mobility for their children.

Becky Berkman

2019-01-03 10:38:00 Thursday ET

American parents often worry about money and upward mobility for their children.

American parents often worry about money and upward mobility for their children. A recent New York Times survey suggests that nowadays American parents spen

+See More

The Trump administration postpones increasing 25% to 30% tariffs on $250 billion Chinese imports after China extends an olive branch to de-escalate Sino-American tariff tension.

Jacob Miramar

2019-10-01 11:33:00 Tuesday ET

The Trump administration postpones increasing 25% to 30% tariffs on $250 billion Chinese imports after China extends an olive branch to de-escalate Sino-American tariff tension.

The Trump administration postpones increasing 25% to 30% tariffs on $250 billion Chinese imports after China extends an olive branch to de-escalate Sino-Ame

+See More