AI scores
K Score · US equities

K Score — US - Top 500 Stocks by Market Cap

All the major US stock exchanges, up to 500 tickers

product_id kscore_sp500_us · 500 stocks · daily refresh · since 2011-12-30 · 5 data columns · API/CSV

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curl "https://www.kavout.com/api?product_id=kscore_sp500_us&api_key=YourAPIKey"
Add symbol / trade_date / field to filter · docs →GET · JSON · CSV

Overview

This US K Score was trained for the universe of the top 500 stocks by market capitalization, which is different from the US model that covers a broad set of stocks (roughly 3,800). The value of this predictive equity rating score ranges from 1-to-9. A higher K Score (7-9) assigned to a stock indicates a higher probability of outperformance, whereas a lower K Score (1-3) indicates a lower probability of outperformance. The top 500 stocks cover all the major industry sectors.

Please visit K Score's US full coverage to learn more.

Data Highlights

  • For quantitative users, overlay K Score as a signal in investment models.
  • Generate new equity long/short ideas that weren't on your radar before, or validate research as a screening parameter.
  • Mitigate risk in portfolio construction by avoiding stocks with low K scores (1-3).

Data

The top 500 US stocks by market capitalization that are on all the major US stock exchanges, including major securities markets such as NYSE, Nasdaq and Dow Jones Industrial.

  • ·Each stock is rated and ranked daily on all the trading days.
  • ·Data is availalbe at least 3 hours before the market opens on the next trading day.
  • ·Data history goes back to January 2012.
  • ·Delivery is via FTP, API and CSV download.

Coverage · top 10 sectors

SectorCountTypeStart date
Financials95Equities2011-12-30
Consumer Discretionary78Equities2011-12-30
Information Technology77Equities2011-12-30
Industrials66Equities2011-12-30
Health Care60Equities2011-12-30
Consumer Staples32Equities2011-12-30
Energy29Equities2011-12-30
Utilities28Equities2011-12-30
Materials25Equities2011-12-30
Telecommunication Services4Equities2011-12-30

Sample data

Documentation

Approach

Harnessing years of historical data and a variety of data sources, Kavout takes in structured and unstructured data including fundamental information, pricing and trading volumes, technical signals, and alternative data, to deliver an actionable and easy-to-use equity rating score from 1 to 9.

The development of K Scores apply the best-of-breed learning algorithms, and encompass methods such as regression, classification, model selection, deep learning and more to produce a rating to rank stocks. Our state-of-the-art machine learning (ML) models identify the intrinsic relationships, uncover the dependency structure and calculates predictive analytics for future performance.

Factors evaluated

Pairing fundamental research with quantitative analysis, our ML model evaluates over 200 factors and signals. Some factor groups include but are not limited to

  • ·Value, Quality, Growth, Momentum, Profitability, Volatility, Size and more.
  • ·Technical indicators and scores such as MACD, RSI, Z-Score, M-Score and more.
  • ·Price patterns such as chart and candlestick patterns.
  • ·Time series of the features above as well as price-related data.
  • ·Sentiment information such as insider and options trading activities, and text analytics.

Methodology

On any given day, Kavout processes millions of diverse data sets, and runs models encompassing many traditional and advanced financial engineering methods such as regression, classification, deep learning, and reinforcement learning to produce a predictive rating to rank stocks.

Related signals

Disclaimer: The information provided here and on kavout.com is for general informational purposes only. It does not constitute investment advice, financial advice, trading advice, or any other sort of advice. Kavout makes no recommendations regarding investment decisions based on this information. You are solely responsible for your investments. Please conduct your own research and consult qualified financial advisors before investing. Past performance does not guarantee future results. © 2026 Kavout. All rights reserved.