getHistoricalVolatility
Query historical implied volatility data for options with hourly granularity.\nReturns the Bybit-calculated historical volatility index for the specified base coin.\n\nUse this endpoint when you need to:\n- Research historical implied volatility trends for options trading or risk management\n- Co...
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What getHistoricalVolatility does on Bybit MCP Server
AI agents call getHistoricalVolatility to retrieve information from Bybit MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why getHistoricalVolatility is rated Low
getHistoricalVolatility is a purely informational query tool that retrieves historical volatility index data from Bybit. It has no side effects—it does not create, modify, delete, or execute any trading operations. The use cases are explicitly for analysis and research. While this is a financial exchange server, the tool itself only reads data without moving money or committing financial obligations.
From the tool's definition Tool description states "Query historical implied volatility data" and "Retrieve...volatility data for backtesting or analysis".
Attacks that exploit this kind of access
The rule that runs getHistoricalVolatility safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Bybit MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For getHistoricalVolatility, this is the rule to start with:
getHistoricalVolatility is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Bybit MCP Server, apply this rule, and every getHistoricalVolatility call is checked against it from then on.
Questions about getHistoricalVolatility
Query historical implied volatility data for options with hourly granularity.\nReturns the Bybit-calculated historical volatility index for the specified base coin.\n\nUse this endpoint when you need to:\n- Research historical implied volatility trends for options trading or risk management\n- Compare volatility across different averaging periods (e.g., 7-day vs 30-day)\n- Retrieve up to 2 years of hourly volatility data for backtesting or analysis\n\nSupported Products: Option only\n\n. It is categorised as a Read tool in the Bybit MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Bybit MCP Server MCP server in PolicyLayer and add a rule for getHistoricalVolatility: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Bybit MCP Server. Nothing to install.
getHistoricalVolatility is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the getHistoricalVolatility rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for getHistoricalVolatility. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
getHistoricalVolatility is provided by the Bybit MCP Server MCP server (bybit-exchange/trading-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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