docs/yahoo_data_schema.md

yfinance Library (Ticker.info)

Valuation Fields

currentPrice
regularMarketPrice
marketCap
enterpriseValue
trailingPE
forwardPE
priceToSalesTrailing12Months
priceToBook
enterpriseToEbitda
trailingPegRatio
earningsGrowth
revenueGrowth

Fundamentals Fallback Fields

totalRevenue
netIncomeToCommon
grossProfits
operatingIncome
ebitda
totalCash
totalDebt
freeCashflow
operatingCashflow
operatingMargins
profitMargins
debtToEquity
longName
shortName
sector
industry

Chart API

Endpoint

GET https://query1.finance.yahoo.com/v8/finance/chart/{ticker}

Query Parameters

interval   (1d)
range      (1y, 3mo, 5d, 1d)

Response Structure

chart
  result[]
    meta
      regularMarketPrice
      previousClose
    indicators
      quote[]
        close[]

Options API

Endpoint

GET https://query1.finance.yahoo.com/v7/finance/options/{ticker}

Response Structure

optionChain
  result[]
    options[]
      calls[]
        strike
        impliedVolatility