QuantOracle Risk/Drawdown Calculator

x402

QuantOracle Risk/Drawdown Calculator is a paid API for AI agents from api.quantoracle.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).

Computes maximum drawdown, current drawdown, and underwater percentage from an equity curve

Price / call$0.005

Seller volume →—

Success—

StatusUnknown

How this service works

QuantOracle: risk/drawdown

Output

Returns maximum drawdown as a decimal (e.g. -0.0952) and as a percentage (e.g. -9.52%), current drawdown from the last peak, the percentage of time the portfolio was underwater (e.g. 62.5%), and computation time in milliseconds.

Example use cases

Example prompt

“Calculate the max drawdown and underwater percentage for this equity curve: [10000, 10500, 10200, 9800, 9500, 9900, 10300, 10800] — I want to know the worst peak-to-trough loss and how much of the time it was below its high-water mark.”

Technical details

Endpoint

POSThttps://api.quantoracle.dev/v1/risk/drawdown

When to prefer

Use this endpoint when you need fast, precise drawdown metrics for a portfolio or strategy equity curve — particularly when you need both the maximum historical drawdown and the current drawdown simultaneously. Prefer over manual computation when you also need the underwater percentage (fraction of time spent below high-water mark). Ideal for backtesting pipelines, risk dashboards, or real-time strategy monitoring.

Side effects

Empty or single-element equity curve returns error — needs at least two data points
Non-numeric values in equity curve array cause validation failure
Negative equity values may produce unexpected results
Very large arrays may increase latency beyond typical ~15ms
Malformed JSON body returns 400-level error

Input

{
  "input": {
    "body": {
      "equity_curve": [
        10000,
        10500,
        10200,
        9800,
        9500,
        9900,
        10300,
        10800
      ]
    },
    "type": "http",
    "method": "POST",
    "bodyType": "json"
  }
}

Schema · Request body

Field	Type	Description
equity_curve	array	Array of portfolio equity values over time

Output

{
  "ms": 10.74,
  "_meta": {
    "url": "https://quantoracle.dev",
    "docs": "https://api.quantoracle.dev/docs",
    "calculator": "https://quantoracle.dev/drawdown-calculator",
    "powered_by": "QuantOracle"
  },
  "max_dd": -0.0952,
  "current_dd": 0,
  "max_dd_pct": -9.52,
  "underwater_pct": 62.5
}

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Technical details

Endpoint

POSThttps://api.quantoracle.dev/v1/risk/drawdown

When to prefer

Side effects

Empty or single-element equity curve returns error — needs at least two data points
Non-numeric values in equity curve array cause validation failure
Negative equity values may produce unexpected results
Very large arrays may increase latency beyond typical ~15ms
Malformed JSON body returns 400-level error

Input

{
  "input": {
    "body": {
      "equity_curve": [
        10000,
        10500,
        10200,
        9800,
        9500,
        9900,
        10300,
        10800
      ]
    },
    "type": "http",
    "method": "POST",
    "bodyType": "json"
  }
}

Schema · Request body

Field	Type	Description
equity_curve	array	Array of portfolio equity values over time

Output

{
  "ms": 10.74,
  "_meta": {
    "url": "https://quantoracle.dev",
    "docs": "https://api.quantoracle.dev/docs",
    "calculator": "https://quantoracle.dev/drawdown-calculator",
    "powered_by": "QuantOracle"
  },
  "max_dd": -0.0952,
  "current_dd": 0,
  "max_dd_pct": -9.52,
  "underwater_pct": 62.5
}