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FatNarwhal · Data

Market Data

Search any US ticker for a live chart and fundamentals, browse asset classes, or use FatNarwhal micro-tools for prediction-market math.

Quotes: Yahoo chart API · Fundamentals: Yahoo quoteSummary · Labelled third-party

Live ticker strip

S&P, NASDAQ, BTC, rates, oil, gold, VIX, DXY — with staleness labels and a detail drawer on every page.

/api/ticker · 15 min cache

Prediction markets

Cross-platform spreads and curated pairs — core comparator product.

Open markets →
Fundamentals
Stocks

Popular symbols

Use the search above for any ticker. These open a live TradingView chart plus P/E, EPS, and market cap (Yahoo, unofficial).

Popular

AAPLMSFTNVDAAMZNGOOGLMETATSLAJPM
FatNarwhal tools

FatNarwhal calculators — educational only, not betting or investment advice.

Implied probability

50.00% implied (decimal)

50.00% implied (American)

Kelly criterion

Uses decimal odds above (2.00)

Full Kelly: 10.00% of bankroll

Half-Kelly is common for variance control.

Cross-platform spread

FN spread: 4.0¢

Live pairs on Markets →
Quant analysis

Built-in quant tools — powered by the FatNarwhal API. Educational only, not investment advice.

Quant · I

Linear Regression

Fit a trend line or estimate beta vs a benchmark — no code required.

Open tool →Quant · II

Monte Carlo Simulation

Simulate thousands of future price paths from historical drift and volatility.

Open tool →Quant · III

Portfolio Optimizer

Explore random blends and find max-Sharpe or minimum-volatility weights.

Open tool →Quant · IV

Strategy Backtester

Test SMA crossover rules against buy-and-hold on historical data.

Open tool →
Asset classes
Indices
Crypto
Futures & commodities
Rates
FX
Volatility
Single names
All strip symbols

These 10 symbols power the header ticker — same Yahoo chart source as /api/ticker.

Click any symbol in the ticker strip for last price, change, and source attribution.

Open analysis tools

Built-in regression, Monte Carlo, portfolio, and backtest tools live in Quant analysis. Below: curated external references.

  • QuantConnect LEAN (docs)

    Apache-2.0

    Open-source algorithmic trading engine — backtests and research notebooks.

    Open tool ↗

  • pyfolio / empyrical

    Apache-2.0

    Portfolio analytics and risk metrics in Python.

    Open tool ↗

  • OptionStrat

    Third-party

    Options payoff diagrams and strategy builder (third-party).

    Open tool ↗

  • Portfolio Visualizer

    Third-party

    Monte Carlo retirement sims, factor regressions, efficient frontier.

    Open tool ↗

  • TradingView widgets

    TradingView terms

    Embeddable lightweight charts (symbol pages link out from FN).

    Open tool ↗