{
"symbol": "AAPL",
"steps": 30,
"initial_price": 150.0,
"volatility": 0.2,
"risk_free_rate": 0.03,
"dividend_yield": 0.005,
"days_to_expiration": 30.0,
"method": {
"GeometricBrownian": {
"dt": 0.004,
"drift": 0.05,
"volatility": 0.25
}
},
"time_frame": "Day"
}