> ## Documentation Index
> Fetch the complete documentation index at: https://api.unusualwhales.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

> ## Agent Instructions
> API requests use the base URL https://api.unusualwhales.com and require a bearer token in the `Authorization` header (`Authorization: Bearer <API_KEY>`). Create and manage API tokens at https://unusualwhales.com/dashboard/api.
> For live market data inside an AI tool, use the Unusual Whales MCP server at https://unusualwhales.com/public-api/mcp.
> Instructions for agents using Unusual Whales tools: https://unusualwhales.com/skill.md

# TickerVolatility

> Realized volatility and variance risk premium for a ticker and trading date.

Message
fields**6**
topic[ticker-volatility](https://api.unusualwhales.com/docs/kafka/topics/ticker-volatility.md)

**Proto definition**

```protobuf schema.proto theme={null}
message TickerVolatility {
  Ticker ticker = 1;
  Date date = 2;
  Date implied_volatility_date = 3;
  Decimal realized_volatility = 4;
  Decimal variance_risk_premium = 5;
  int64 tape_time = 6;
}
```

## Fields

The number on the right of each row is the protobuf field number.

ticker
[Ticker](https://api.unusualwhales.com/docs/kafka/types/Ticker.md)
1

Ticker whose volatility values are represented and the Kafka message key.

date
[Date](https://api.unusualwhales.com/docs/kafka/types/Date.md)
2

Trading date represented by the realized volatility value.

implied\_volatility\_date
[Date](https://api.unusualwhales.com/docs/kafka/types/Date.md)
3

Earlier trading date whose 30 day implied volatility is used for the variance risk premium.

realized\_volatility
[Decimal](https://api.unusualwhales.com/docs/kafka/types/Decimal.md)
4

Annualized realized volatility calculated over the trading month ending on date.

variance\_risk\_premium
[Decimal](https://api.unusualwhales.com/docs/kafka/types/Decimal.md)
5

Difference between 30 day implied volatility and realized volatility.

tape\_time
int64
6

Unix timestamp in milliseconds when this snapshot was published.