{
  "@context": {
    "@vocab": "https://polygon.io/vocab#",
    "schema": "https://schema.org/",
    "xsd": "http://www.w3.org/2001/XMLSchema#",
    "polygon": "https://polygon.io/vocab#",

    "Ticker": "polygon:Ticker",
    "AggregateBar": "polygon:AggregateBar",
    "Trade": "polygon:Trade",
    "Quote": "polygon:Quote",
    "OptionContract": "polygon:OptionContract",
    "Exchange": "polygon:Exchange",
    "MarketHoliday": "polygon:MarketHoliday",
    "StockSplit": "polygon:StockSplit",
    "Dividend": "polygon:Dividend",
    "NewsArticle": "polygon:NewsArticle",

    "ticker": { "@id": "polygon:ticker", "@type": "xsd:string" },
    "name": { "@id": "schema:name", "@type": "xsd:string" },
    "market": { "@id": "polygon:market", "@type": "xsd:string" },
    "locale": { "@id": "polygon:locale", "@type": "xsd:string" },
    "primary_exchange": { "@id": "polygon:primaryExchange", "@type": "xsd:string" },
    "type": { "@id": "polygon:assetType", "@type": "xsd:string" },
    "active": { "@id": "polygon:active", "@type": "xsd:boolean" },
    "currency_name": { "@id": "schema:priceCurrency", "@type": "xsd:string" },
    "cik": { "@id": "polygon:cik", "@type": "xsd:string" },
    "composite_figi": { "@id": "polygon:compositeFigi", "@type": "xsd:string" },
    "share_class_figi": { "@id": "polygon:shareClassFigi", "@type": "xsd:string" },
    "last_updated_utc": { "@id": "polygon:lastUpdated", "@type": "xsd:dateTime" },

    "T": { "@id": "polygon:barTicker", "@type": "xsd:string" },
    "v": { "@id": "polygon:volume", "@type": "xsd:double" },
    "vw": { "@id": "polygon:vwap", "@type": "xsd:double" },
    "o": { "@id": "polygon:open", "@type": "xsd:double" },
    "c": { "@id": "polygon:close", "@type": "xsd:double" },
    "h": { "@id": "polygon:high", "@type": "xsd:double" },
    "l": { "@id": "polygon:low", "@type": "xsd:double" },
    "t": { "@id": "polygon:timestamp", "@type": "xsd:long" },
    "n": { "@id": "polygon:transactionCount", "@type": "xsd:integer" },

    "contract_type": { "@id": "polygon:contractType", "@type": "xsd:string" },
    "exercise_style": { "@id": "polygon:exerciseStyle", "@type": "xsd:string" },
    "expiration_date": { "@id": "polygon:expirationDate", "@type": "xsd:date" },
    "strike_price": { "@id": "polygon:strikePrice", "@type": "xsd:double" },
    "shares_per_contract": { "@id": "polygon:sharesPerContract", "@type": "xsd:integer" },
    "underlying_ticker": { "@id": "polygon:underlyingTicker", "@type": "xsd:string" },

    "ex_dividend_date": { "@id": "polygon:exDividendDate", "@type": "xsd:date" },
    "pay_date": { "@id": "polygon:payDate", "@type": "xsd:date" },
    "record_date": { "@id": "polygon:recordDate", "@type": "xsd:date" },
    "declaration_date": { "@id": "polygon:declarationDate", "@type": "xsd:date" },
    "cash_amount": { "@id": "polygon:cashAmount", "@type": "xsd:double" },
    "frequency": { "@id": "polygon:dividendFrequency", "@type": "xsd:integer" },
    "execution_date": { "@id": "polygon:executionDate", "@type": "xsd:date" },
    "split_from": { "@id": "polygon:splitFrom", "@type": "xsd:double" },
    "split_to": { "@id": "polygon:splitTo", "@type": "xsd:double" },

    "results": { "@id": "polygon:results", "@container": "@list" },
    "request_id": { "@id": "polygon:requestId", "@type": "xsd:string" },
    "status": { "@id": "polygon:status", "@type": "xsd:string" },
    "next_url": { "@id": "polygon:nextUrl", "@type": "xsd:anyURI" }
  }
}