Polygon · Schema

Polygon NBBO Quote Tick

A National Best Bid and Offer quote tick from the Polygon WebSocket cluster.

FinanceFintechMarket DataStocksOptionsForexCryptoIndicesFuturesWebSocketsReal-TimeHistoricalPublic APIs

Properties

Name Type Description
ev string
sym string
bx integer Bid exchange ID.
bp number Best bid price.
bs integer Bid size.
ax integer Ask exchange ID.
ap number Best ask price.
as integer Ask size.
t integer SIP timestamp (Unix milliseconds).
View JSON Schema on GitHub

JSON Schema

polygon-quote-schema.json Raw ↑ 
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/polygon/main/json-schema/polygon-quote-schema.json",
  "title": "Polygon NBBO Quote Tick",
  "type": "object",
  "description": "A National Best Bid and Offer quote tick from the Polygon WebSocket cluster.",
  "properties": {
    "ev": { "type": "string", "const": "Q" },
    "sym": { "type": "string" },
    "bx": { "type": "integer", "description": "Bid exchange ID." },
    "bp": { "type": "number", "description": "Best bid price." },
    "bs": { "type": "integer", "description": "Bid size." },
    "ax": { "type": "integer", "description": "Ask exchange ID." },
    "ap": { "type": "number", "description": "Best ask price." },
    "as": { "type": "integer", "description": "Ask size." },
    "t": { "type": "integer", "description": "SIP timestamp (Unix milliseconds)." }
  },
  "required": ["ev","sym","bp","ap","t"]
}

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