Calculates the contribution of each portfolio component (asset or risk factor) to total portfolio VaR. This decomposition helps identify which positions drive portfolio risk and enables better risk budgeting decisions. Essential for risk attribution and portfolio optimization.
API key for authentication. Get your key at https://finceptbackend.share.zrok.io/auth/register
Dictionary mapping factor/asset names to their historical return arrays
{
"equities": [0.01, -0.02, 0.015],
"bonds": [0.005, -0.003, 0.004]
}Portfolio weights for each factor (must sum to 1.0)
{ "equities": 0.6, "bonds": 0.4 }Confidence level for VaR calculation
0.99
Total portfolio value
1000000