Klinger Volume Oscillator
Category: Volume · Updated November 2026
The TAAPI.IO Klinger Oscillator API returns real-time and historical values for the Klinger Volume Oscillator 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/kvo |
| Outputs | value |
| Markets | Binance, Binance Futures, Bybit, Gate.io, Kraken and US stocks |
| Timeframes | 1m to 1w |
| Delivery | REST, bulk and WebSocket |
Get Klinger Oscillator with one API call
This request returns Klinger Oscillator for BTCUSDT on 1-hour Binance candles. Add your API key to run it here.
short_period and long_period must be set for this endpoint.
curl -G https://v2.taapi.io/indicator/kvo \ -H "Authorization: Bearer YOUR_API_KEY" \ --data-urlencode "exchange=binance" \ --data-urlencode "symbol=BTCUSDT" \ --data-urlencode "timeframe=1h" \ --data-urlencode "short_period=34" \ --data-urlencode "long_period=55"
import requests
resp = requests.get(
'https://v2.taapi.io/indicator/kvo',
headers={'Authorization': 'Bearer YOUR_API_KEY'},
params={'exchange': 'binance', 'symbol': 'BTCUSDT', 'timeframe': '1h', 'short_period': 34, 'long_period': 55},
)
print(resp.json())const params = new URLSearchParams({"exchange": "binance", "symbol": "BTCUSDT", "timeframe": "1h", "short_period": "34", "long_period": "55"});
const res = await fetch(`https://v2.taapi.io/indicator/kvo?${params}`, {
headers: { Authorization: 'Bearer YOUR_API_KEY' },
});
console.log(await res.json());Klinger Oscillator API response
This response came from the live API on 9 November 2026. Long lists are shortened here.
{
"value": [-2194.0751569964195],
"timestamp": [1794218400]
}| Field | Type | Description |
|---|---|---|
value | number[] | Klinger Oscillator result |
timestamp | integer[] | Unix time of each candle, in seconds |
Klinger Oscillator 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 |
results | integer | No | 1 | Number of values to return, or max |
backtrack | integer | No | 0 | Candles to skip from the most recent |
What is Klinger Oscillator?
The Klinger Volume Oscillator, from Stephen Klinger, compares fast and slow averages of signed volume force to track long-term money flow while remaining responsive to short-term shifts.
Klinger Oscillator formula
| Output | Calculation |
|---|---|
| Volume force | Volume signed by trend, scaled by range |
| KVO | EMA(volume force, short) − EMA(volume force, long) |
How to read Klinger Oscillator in your code
| Signal | Meaning | Condition |
|---|---|---|
| Net inflow | Volume force positive | value > 0 |
| Net outflow | Volume force negative | value < 0 |
Limitations: Values depend on the symbol's volume scale, and the original method adds a signal line you must compute yourself. Nothing on this page is financial advice.
Compare the last two closed Klinger Oscillator 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/kvo \ -H "Authorization: Bearer YOUR_API_KEY" \ --data-urlencode "exchange=binance" \ --data-urlencode "symbol=BTCUSDT" \ --data-urlencode "timeframe=1h" \ --data-urlencode "short_period=34" \ --data-urlencode "long_period=55" \ --data-urlencode "results=2" \ --data-urlencode "backtrack=1"
import requests
resp = requests.get(
'https://v2.taapi.io/indicator/kvo',
headers={'Authorization': 'Bearer YOUR_API_KEY'},
params={'exchange': 'binance', 'symbol': 'BTCUSDT', 'timeframe': '1h', 'short_period': 34, 'long_period': 55, '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 Klinger Oscillator 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/kvo \ -H "Authorization: Bearer YOUR_API_KEY" \ --data-urlencode "exchange=binance" \ --data-urlencode "symbol=BTCUSDT" \ --data-urlencode "timeframe=1h" \ --data-urlencode "short_period=34" \ --data-urlencode "long_period=55" \ --data-urlencode "results=100"
Get Klinger Oscillator for multiple symbols
Combine Klinger Oscillator 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": "kvo",
"indicator": "kvo",
"short_period": 34,
"long_period": 55
},
{
"id": "rsi",
"indicator": "rsi"
}
]
}
]
}'Stream Klinger Oscillator 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": "kvo",
"exchange": "binance",
"symbol": "BTCUSDT",
"interval": "1m",
"indicator": "kvo",
"params": {"short_period": 34, "long_period": 55}
}Klinger Oscillator API FAQ
What does the Klinger Oscillator API return?
It returns value, plus a timestamp for the request. Results are JSON.
Is the latest Klinger Oscillator 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 Klinger Oscillator settings can I change?
You can set short_period, long_period. See the parameters table above for defaults.
Can I get Klinger Oscillator 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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