Tools / Financial Calculator / Use Cases / Price Bonds and Options

Price Bonds and Options

Calculate fair value for bonds using yield-to-maturity and for options using the Black-Scholes model.

Tool
Financial Calculator icon
Financial Calculator

Bond and options pricing requires exact formulae applied to precise inputs. A misplaced decimal in the coupon rate or an incorrect day-count convention produces meaningfully wrong prices. Doing this in a spreadsheet is error-prone; building it from scratch each time is wasteful.

Financial Calculator handles both instruments precisely. For bonds, it calculates price from yield or yield from price, with accrued interest and duration. For options, it applies the Black-Scholes model with inputs for underlying price, strike, volatility, time, and risk-free rate — returning price, delta, gamma, theta, and vega.

Fixed income traders, options market makers, and derivatives students use this to get correct instrument prices and Greeks without building the model themselves.

Agent Guides

Claude

  1. Connect ToolRouter to Claude: claude mcp add toolrouter -- npx -y toolrouter-mcp
  2. For a bond: provide face value, coupon rate, maturity date, and current yield
  3. Ask Claude: "Price this bond and show duration and accrued interest"
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ChatGPT

  1. Add ToolRouter to ChatGPT using the MCP JSON configuration
  2. Provide bond or option parameters
  3. Ask: "Price this bond / option and explain the key outputs"
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Copilot

  1. Add ToolRouter to your Copilot MCP configuration
  2. In Copilot Chat: "Price this option using Black-Scholes and return all Greeks as JSON"
  3. Provide underlying price, strike, volatility, time to expiry, and risk-free rate
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OpenClaw

  1. Connect ToolRouter to OpenClaw: openclaw mcp add toolrouter -- npx -y toolrouter-mcp
  2. Provide a list of bonds or options with their parameters
  3. Ask: "Price all instruments and return consistent outputs for each"
Read full guide →

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