Indicators›Statistics›Linear Regression (linreg)
GET/indicator/linreg

Linear Regression (linreg)

Category: Statistics · Updated November 2026


The TAAPI.IO Linear Regression (linreg) API returns real-time and historical values for the Linear Regression indicator as JSON, for crypto pairs and US stocks. Send an exchange, symbol and timeframe to get real-time or historical data, with no candles to download and no calculations to maintain.

SpecValue
EndpointGET https://v2.taapi.io/indicator/linreg
Outputsvalue
MarketsBinance, Binance Futures, Bybit, Gate.io, Kraken and US stocks
Timeframes1m to 1w
DeliveryREST, bulk and WebSocket

Get Linear Regression (linreg) with one API call

This request returns Linear Regression (linreg) for BTCUSDT on 1-hour Binance candles. Add your API key to run it here.

curl -G https://v2.taapi.io/indicator/linreg \
  -H "Authorization: Bearer YOUR_API_KEY" \
  --data-urlencode "exchange=binance" \
  --data-urlencode "symbol=BTCUSDT" \
  --data-urlencode "timeframe=1h"

Linear Regression (linreg) API response

This response came from the live API on 9 November 2026. Long lists are shortened here.

200 OK
{
  "value": [74298.4865715903],
  "timestamp": [1794218400]
}
FieldTypeDescription
valuenumber[]Linear Regression (linreg) result
timestampinteger[]Unix time of each candle, in seconds

Linear Regression (linreg) API parameters

NameTypeRequiredDefaultDescription
exchangestringYes—binance, binancefutures, bybit, gateio, kraken or stocks
symbolstringYes—Pair or ticker, e.g. BTCUSDT or AAPL
timeframestringYes—1m 5m 15m 1h 4h 1d 1w
periodnumberNo—Period
resultsintegerNo1Number of values to return, or max
backtrackintegerNo0Candles to skip from the most recent

What is Linear Regression (linreg)?

This endpoint returns the end point of a least-squares line fitted through the last n closes. It offers the same calculation as linearreg from a different library, with the result in a field named after the indicator.

Linear Regression (linreg) formula

OutputCalculation
Valueb + m × (n − 1)

How to read Linear Regression (linreg) in your code

SignalMeaningCondition
Above the linePrice ahead of the fitted trendClose above value
Below the linePrice behind the fitted trendClose below value

Limitations: A straight line cannot describe a changing market. Nothing on this page is financial advice.

Compare the last two closed Linear Regression (linreg) values

Use backtrack=1 to skip the candle still forming, and results=2 to compare the last two closed candles. Arrays run oldest first.

curl -G https://v2.taapi.io/indicator/linreg \
  -H "Authorization: Bearer YOUR_API_KEY" \
  --data-urlencode "exchange=binance" \
  --data-urlencode "symbol=BTCUSDT" \
  --data-urlencode "timeframe=1h" \
  --data-urlencode "results=2" \
  --data-urlencode "backtrack=1"

Get historical Linear Regression (linreg) values

Add results to return a series for backtesting or charting. The last element is the most recent candle.

curl -G https://v2.taapi.io/indicator/linreg \
  -H "Authorization: Bearer YOUR_API_KEY" \
  --data-urlencode "exchange=binance" \
  --data-urlencode "symbol=BTCUSDT" \
  --data-urlencode "timeframe=1h" \
  --data-urlencode "results=100"

Get Linear Regression (linreg) for multiple symbols

Combine Linear Regression (linreg) with other indicators in one request. Each exchange, symbol and timeframe combination is one construct: Basic allows 1 per request, Pro 3 and Expert 10.

POST/bulk
curl -X POST https://v2.taapi.io/bulk \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "constructs": [
    {
      "id": "btc_1h",
      "exchange": "binance",
      "symbol": "BTCUSDT",
      "timeframe": "1h",
      "indicators": [
        {
          "id": "linreg",
          "indicator": "linreg"
        },
        {
          "id": "rsi",
          "indicator": "rsi"
        }
      ]
    }
  ]
}'

Stream Linear Regression (linreg) in real time

Subscribe over WebSocket to receive new values every 5 seconds while the candle is forming. Streaming supports 1m, 5m, 15m and 1h, and uses interval where REST uses timeframe.

WSSwss://v2.taapi.io/streaming
{
  "type": "subscribe",
  "id": "linreg",
  "exchange": "binance",
  "symbol": "BTCUSDT",
  "interval": "1m",
  "indicator": "linreg"
}

Linear Regression (linreg) API FAQ

What does the Linear Regression (linreg) API return?

It returns value, plus a timestamp for the request. Results are JSON.

Is the latest Linear Regression (linreg) value final?

No. The newest value belongs to the candle still forming and can change until it closes. Add backtrack=1 to read the last closed candle.

Which Linear Regression (linreg) settings can I change?

You can set period. See the parameters table above for defaults.

Can I get Linear Regression (linreg) for US stocks?

Yes. Use exchange=stocks with a ticker such as AAPL. US stocks are included on the Pro plan and above.

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