QuantOracle ATR (Average True Range) Indicator

x402

QuantOracle ATR (Average True Range) Indicator is a paid API for AI agents from api.quantoracle.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-14).

Computes the Average True Range (ATR) volatility indicator for a given price series, returning current ATR value, ATR percentage, ATR series, and volatility regime classification.

Price / call$0.002

Seller volume →—

Success—

StatusUnknown

How this service works

QuantOracle: indicators/atr

Output

Returns the current ATR value (e.g. 2.85), ATR as a percentage of price (e.g. 1.87%), the ATR time series array, the period used, and a volatility regime label (e.g. 'MEDIUM', 'HIGH', 'LOW'), plus response latency in milliseconds.

Example use cases

Example prompt

“Calculate the 14-period ATR for this stock using the last 5 bars — highs were [152.3, 153.1, 151.8, 154.2, 152.9], lows were [149.8, 150.2, 149.5, 151.5, 150.8], and closes were [151.5, 152.0, 150.9, 153.5, 152.1] — and tell me what volatility regime it's in right now.”

Technical details

Endpoint

POSThttps://api.quantoracle.dev/v1/indicators/atr

When to prefer

Use this endpoint when you need a fast, pay-per-call ATR calculation without spinning up your own quant infrastructure. Ideal for agents that need real-time volatility regime classification alongside raw ATR values for position sizing, stop-loss placement, or risk management decisions. Prefer this over general-purpose math APIs when you need the volatility regime label ('LOW'/'MEDIUM'/'HIGH') as part of the response.

Side effects

Mismatched array lengths for high/low/close series returns a validation error
Insufficient data points for the requested period (need at least period+1 bars)
Invalid or non-numeric price values cause computation failure
Period value of zero or negative returns an error
Empty price arrays return an error

Input

{
  "input": {
    "body": {
      "low": [
        149.8,
        150.2,
        149.5,
        151.5,
        150.8,
        151.2,
        151.9,
        151.5,
        152.8,
        152.1,
        153.2,
        153.9,
        153.5,
        154.8,
        154.2
      ],
      "high": [
        152.3,
        153.1,
        151.8,
        154.2,
        152.9,
        153.5,
        154.1,
        153.8,
        155.2,
        154.6,
        155.8,
        156.2,
        155.9,
        157.1,
        156.5
      ],
      "close": [
        151.5,
        152,
        150.9,
        153.5,
        152.1,
        152.8,
        153.2,
        152.9,
        154.5,
        153.8,
        154.9,
        155.6,
        155.2,
        156.4,
        155.8
      ],
      "period": 14
    },
    "type": "http",
    "method": "POST",
    "bodyType": "json"
  }
}

Schema · Request body

Field	Type	Description
low	array	Array of low prices
high	array	Array of high prices
close	array	Array of closing prices
period	integer	ATR lookback period

Output

{
  "ms": 7.46,
  "_meta": {
    "url": "https://quantoracle.dev",
    "docs": "https://api.quantoracle.dev/docs",
    "powered_by": "QuantOracle"
  },
  "period": 14,
  "atr_pct": 1.6046,
  "atr_series": [
    2.5
  ],
  "current_atr": 2.5,
  "volatility_regime": "MEDIUM"
}

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Technical details

Endpoint

POSThttps://api.quantoracle.dev/v1/indicators/atr

When to prefer

Side effects

Mismatched array lengths for high/low/close series returns a validation error
Insufficient data points for the requested period (need at least period+1 bars)
Invalid or non-numeric price values cause computation failure
Period value of zero or negative returns an error
Empty price arrays return an error

Input

{
  "input": {
    "body": {
      "low": [
        149.8,
        150.2,
        149.5,
        151.5,
        150.8,
        151.2,
        151.9,
        151.5,
        152.8,
        152.1,
        153.2,
        153.9,
        153.5,
        154.8,
        154.2
      ],
      "high": [
        152.3,
        153.1,
        151.8,
        154.2,
        152.9,
        153.5,
        154.1,
        153.8,
        155.2,
        154.6,
        155.8,
        156.2,
        155.9,
        157.1,
        156.5
      ],
      "close": [
        151.5,
        152,
        150.9,
        153.5,
        152.1,
        152.8,
        153.2,
        152.9,
        154.5,
        153.8,
        154.9,
        155.6,
        155.2,
        156.4,
        155.8
      ],
      "period": 14
    },
    "type": "http",
    "method": "POST",
    "bodyType": "json"
  }
}

Schema · Request body

Field	Type	Description
low	array	Array of low prices
high	array	Array of high prices
close	array	Array of closing prices
period	integer	ATR lookback period

Output

{
  "ms": 7.46,
  "_meta": {
    "url": "https://quantoracle.dev",
    "docs": "https://api.quantoracle.dev/docs",
    "powered_by": "QuantOracle"
  },
  "period": 14,
  "atr_pct": 1.6046,
  "atr_series": [
    2.5
  ],
  "current_atr": 2.5,
  "volatility_regime": "MEDIUM"
}