AsyncAPI channel · Polygon.io · Polygon.io WebSocket APIs

business/stocks/FMV

Stream Fair Market Value (FMV) for a given stock ticker. Available on the Business-tier feed (`business.polygon.io/stocks`).

Open source AsyncAPI → All Polygon.io channels Polygon.io provider profile
Provider: Polygon.io AsyncAPI: v2.6.0 Spec: Polygon.io WebSocket APIs Operations: 1 Messages: 1

Channel address

business/stocks/FMV

Operations

subscribeStocksFMV
Receive Fair Market Value events for stocks.

Messages

FairMarketValue
Polygon's proprietary fair value estimate for the asset.
Content-Type: application/json

About AsyncAPI

The AsyncAPI specification describes event-driven APIs the way OpenAPI describes request/response APIs. A channel is the named pipe — a webhook URL, a Kafka topic, a WebSocket route, an MQTT subject — that producers and consumers publish or subscribe to. Each channel carries one or more messages with structured payloads, and an operation declares whether a given party sends or receives on that channel.

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