Variable Index Dynamic Average (VIDYA)
Category: Trend · Updated November 2026
The TAAPI.IO VIDYA API returns real-time and historical values for the Variable Index Dynamic Average 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/vidya |
| Outputs | value |
| Markets | Binance, Binance Futures, Bybit, Gate.io, Kraken and US stocks |
| Timeframes | 1m to 1w |
| Delivery | REST, bulk and WebSocket |
Get VIDYA with one API call
This request returns VIDYA for BTCUSDT on 1-hour Binance candles. Add your API key to run it here.
short_period and long_period and alpha must be set for this endpoint.
curl -G https://v2.taapi.io/indicator/vidya \ -H "Authorization: Bearer YOUR_API_KEY" \ --data-urlencode "exchange=binance" \ --data-urlencode "symbol=BTCUSDT" \ --data-urlencode "timeframe=1h" \ --data-urlencode "short_period=2" \ --data-urlencode "long_period=5" \ --data-urlencode "alpha=0.2"
import requests
resp = requests.get(
'https://v2.taapi.io/indicator/vidya',
headers={'Authorization': 'Bearer YOUR_API_KEY'},
params={'exchange': 'binance', 'symbol': 'BTCUSDT', 'timeframe': '1h', 'short_period': 2, 'long_period': 5, 'alpha': 0.2},
)
print(resp.json())const params = new URLSearchParams({"exchange": "binance", "symbol": "BTCUSDT", "timeframe": "1h", "short_period": "2", "long_period": "5", "alpha": "0.2"});
const res = await fetch(`https://v2.taapi.io/indicator/vidya?${params}`, {
headers: { Authorization: 'Bearer YOUR_API_KEY' },
});
console.log(await res.json());VIDYA API response
This response came from the live API on 9 November 2026. Long lists are shortened here.
{
"value": [74753.85200984971],
"timestamp": [1794218400]
}| Field | Type | Description |
|---|---|---|
value | number[] | VIDYA result |
timestamp | integer[] | Unix time of each candle, in seconds |
VIDYA 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 |
short_period | number | Yes | — | short period |
long_period | number | Yes | — | long period |
alpha | number | Yes | — | Alpha |
results | integer | No | 1 | Number of values to return, or max |
backtrack | integer | No | 0 | Candles to skip from the most recent |
What is VIDYA?
The Variable Index Dynamic Average, from Tushar Chande, adjusts an EMA's speed according to the ratio of short-term to long-term volatility.
VIDYA formula
| Output | Calculation |
|---|---|
| VIDYA | alpha × k × close + (1 − alpha × k) × previous VIDYA, with k the short stddev ÷ long stddev |
How to read VIDYA in your code
| Signal | Meaning | Condition |
|---|---|---|
| Price above average | Bullish bias | Close above value |
| Price below average | Bearish bias | Close below value |
| Slope | Direction of the trend | Latest value versus the previous one |
Limitations: It needs three settings, and its response depends on how volatility regimes change. Nothing on this page is financial advice.
Compare the last two closed VIDYA 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/vidya \ -H "Authorization: Bearer YOUR_API_KEY" \ --data-urlencode "exchange=binance" \ --data-urlencode "symbol=BTCUSDT" \ --data-urlencode "timeframe=1h" \ --data-urlencode "short_period=2" \ --data-urlencode "long_period=5" \ --data-urlencode "alpha=0.2" \ --data-urlencode "results=2" \ --data-urlencode "backtrack=1"
import requests
resp = requests.get(
'https://v2.taapi.io/indicator/vidya',
headers={'Authorization': 'Bearer YOUR_API_KEY'},
params={'exchange': 'binance', 'symbol': 'BTCUSDT', 'timeframe': '1h', 'short_period': 2, 'long_period': 5, 'alpha': 0.2, 'results': 2, 'backtrack': 1},
)
data = resp.json()
prev, last = data['value']
print('value', prev, '->', last)
print('rising' if last > prev else 'falling or flat')Get historical VIDYA 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/vidya \ -H "Authorization: Bearer YOUR_API_KEY" \ --data-urlencode "exchange=binance" \ --data-urlencode "symbol=BTCUSDT" \ --data-urlencode "timeframe=1h" \ --data-urlencode "short_period=2" \ --data-urlencode "long_period=5" \ --data-urlencode "alpha=0.2" \ --data-urlencode "results=100"
Get VIDYA for multiple symbols
Combine VIDYA 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": "vidya",
"indicator": "vidya",
"short_period": 2,
"long_period": 5,
"alpha": 0.2
},
{
"id": "rsi",
"indicator": "rsi"
}
]
}
]
}'Stream VIDYA 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": "vidya",
"exchange": "binance",
"symbol": "BTCUSDT",
"interval": "1m",
"indicator": "vidya",
"params": {"short_period": 2, "long_period": 5, "alpha": 0.2}
}VIDYA API FAQ
What does the VIDYA API return?
It returns value, plus a timestamp for the request. Results are JSON.
Is the latest VIDYA 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 VIDYA settings can I change?
You can set short_period, long_period, alpha. See the parameters table above for defaults.
Can I get VIDYA 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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