Index of Lowest and Highest
Category: Math · Updated November 2026
The TAAPI.IO Index of Lowest and Highest API returns min idx, max idx values for the Index of Min / Max math function 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/minmaxindex |
| Outputs | valueMinIdx, valueMaxIdx |
| Markets | Binance, Binance Futures, Bybit, Gate.io, Kraken and US stocks |
| Timeframes | 1m to 1w |
| Delivery | REST, bulk and WebSocket |
Get Index of Lowest and Highest with one API call
This request returns Index of Lowest and Highest for BTCUSDT on 1-hour Binance candles. Add your API key to run it here.
curl -G https://v2.taapi.io/indicator/minmaxindex \ -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/minmaxindex',
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/minmaxindex?${params}`, {
headers: { Authorization: 'Bearer YOUR_API_KEY' },
});
console.log(await res.json());Index of Lowest and Highest API response
This response came from the live API on 9 November 2026. Long lists are shortened here.
{
"valueMinIdx": [1996],
"valueMaxIdx": [1980],
"timestamp": [1794218400]
}| Field | Type | Description |
|---|---|---|
valueMinIdx | number[] | Min idx |
valueMaxIdx | number[] | Max idx |
timestamp | integer[] | Unix time of each candle, in seconds |
Index of Lowest and Highest 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 | 30 | Time 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 Index of Lowest and Highest?
Index of Lowest and Highest is a math function that returns both window extreme positions in one response. On TAAPI.IO it runs on the candles you request, so you can get the result without doing the calculation on your side.
Index of Lowest and Highest formula
| Output | Calculation |
|---|---|
| Output | index of min and max over n |
How to read Index of Lowest and Highest in your code
| Signal | Meaning | Condition |
|---|---|---|
| Result | Function output for the candle | valueMinIdx |
Limitations: It reports indexes in the underlying series, not prices. Nothing on this page is financial advice.
Compare the last two closed Index of Lowest and Highest 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/minmaxindex \ -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"
import requests
resp = requests.get(
'https://v2.taapi.io/indicator/minmaxindex',
headers={'Authorization': 'Bearer YOUR_API_KEY'},
params={'exchange': 'binance', 'symbol': 'BTCUSDT', 'timeframe': '1h', 'results': 2, 'backtrack': 1},
)
data = resp.json()
prev, last = data['valueMinIdx']
print('valueMinIdx', prev, '->', last)
print('rising' if last > prev else 'falling or flat')Get historical Index of Lowest and Highest 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/minmaxindex \ -H "Authorization: Bearer YOUR_API_KEY" \ --data-urlencode "exchange=binance" \ --data-urlencode "symbol=BTCUSDT" \ --data-urlencode "timeframe=1h" \ --data-urlencode "results=100"
Get Index of Lowest and Highest for multiple symbols
Combine Index of Lowest and Highest 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.
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": "minmaxindex",
"indicator": "minmaxindex"
},
{
"id": "rsi",
"indicator": "rsi"
}
]
}
]
}'Stream Index of Lowest and Highest 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.
{
"type": "subscribe",
"id": "minmaxindex",
"exchange": "binance",
"symbol": "BTCUSDT",
"interval": "1m",
"indicator": "minmaxindex"
}Index of Lowest and Highest API FAQ
What does the Index of Lowest and Highest API return?
It returns valueMinIdx, valueMaxIdx, plus a timestamp for the request. Results are JSON.
Is the latest Index of Lowest and Highest 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 Index of Lowest and Highest settings can I change?
You can set period. See the parameters table above for defaults.
Can I get Index of Lowest and Highest 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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