Indicators›Support, resistance & structure›Prior Swing High

GET/indicator/priorswinghigh

Prior Swing High

Category: Support, resistance & structure · Updated November 2026

The TAAPI.IO Prior Swing High API returns close, high values for the Prior Swing High 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.

Spec	Value
Endpoint	`GET https://v2.taapi.io/indicator/priorswinghigh`
Outputs	`valueClose`, `valueHigh`
Markets	Binance, Binance Futures, Bybit, Gate.io, Kraken and US stocks
Timeframes	`1m` to `1w`
Delivery	REST, bulk and WebSocket

Get Prior Swing High with one API call

This request returns Prior Swing High for BTCUSDT on 1-hour Binance candles. Add your API key to run it here.

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

import requests

resp = requests.get(
    'https://v2.taapi.io/indicator/priorswinghigh',
    headers={'Authorization': 'Bearer YOUR_API_KEY'},
    params={'exchange': 'binance', 'symbol': 'BTCUSDT', 'timeframe': '1h'},
)
print(resp.json())

const params = new URLSearchParams({"exchange": "binance", "symbol": "BTCUSDT", "timeframe": "1h"});
const res = await fetch(`https://v2.taapi.io/indicator/priorswinghigh?${params}`, {
  headers: { Authorization: 'Bearer YOUR_API_KEY' },
});
console.log(await res.json());

Prior Swing High API response

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

200 OK

{
  "valueClose": [75277.25],
  "valueHigh": [75785.53],
  "timestamp": [1794218400]
}

Field	Type	Description
`valueClose`	number[]	Close
`valueHigh`	number[]	High
`timestamp`	integer[]	Unix time of each candle, in seconds

Prior Swing High API parameters

Name	Type	Required	Default	Description
`exchange`	string	Yes	—	`binance`, `binancefutures`, `bybit`, `gateio`, `kraken` or `stocks`
`symbol`	string	Yes	—	Pair or ticker, e.g. `BTCUSDT` or `AAPL`
`timeframe`	string	Yes	—	`1m` `5m` `15m` `1h` `4h` `1d` `1w`
`period`	integer	No	14	Period
`results`	integer	No	1	Number of values to return, or `max`
`backtrack`	integer	No	0	Candles to skip from the most recent

What is Prior Swing High?

This endpoint finds the most recent swing high within a window and returns its close and high. Swing highs are the usual reference for breakouts and stop placement.

Prior Swing High formula

Output	Calculation
Swing high	Highest local peak within the period

How to read Prior Swing High in your code

Signal	Meaning	Condition
Level by high	Wick-based level	`valueHigh`
Level by close	Close-based level	`valueClose`
Breakout	Prior swing exceeded	Close above `valueHigh`

Limitations: A wider period returns a more significant but less recent swing. Nothing on this page is financial advice.

Read Prior Swing High from Python

Use backtrack=1 to read the result as of the last closed candle.

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

import requests

resp = requests.get(
    'https://v2.taapi.io/indicator/priorswinghigh',
    headers={'Authorization': 'Bearer YOUR_API_KEY'},
    params={'exchange': 'binance', 'symbol': 'BTCUSDT', 'timeframe': '1h', 'backtrack': 1},
)
data = resp.json()
print(data['valueClose'])

Get historical Prior Swing High 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/priorswinghigh \
  -H "Authorization: Bearer YOUR_API_KEY" \
  --data-urlencode "exchange=binance" \
  --data-urlencode "symbol=BTCUSDT" \
  --data-urlencode "timeframe=1h" \
  --data-urlencode "results=100"

Get Prior Swing High for multiple symbols

Combine Prior Swing High 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": "priorswinghigh",
          "indicator": "priorswinghigh"
        },
        {
          "id": "rsi",
          "indicator": "rsi"
        }
      ]
    }
  ]
}'

Stream Prior Swing High 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": "priorswinghigh",
  "exchange": "binance",
  "symbol": "BTCUSDT",
  "interval": "1m",
  "indicator": "priorswinghigh"
}

Prior Swing High API FAQ

What does the Prior Swing High API return?

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

Is the latest Prior Swing High 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 Prior Swing High settings can I change?

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

Can I get Prior Swing High 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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