Balance of Power
Category: Momentum · Updated November 2026
The TAAPI.IO Balance of Power API returns real-time and historical values for the Balance of Power 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/bop |
| Outputs | value |
| Markets | Binance, Binance Futures, Bybit, Gate.io, Kraken and US stocks |
| Timeframes | 1m to 1w |
| Delivery | REST, bulk and WebSocket |
Get Balance of Power with one API call
This request returns Balance of Power for BTCUSDT on 1-hour Binance candles. Add your API key to run it here.
curl -G https://v2.taapi.io/indicator/bop \ -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/bop',
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/bop?${params}`, {
headers: { Authorization: 'Bearer YOUR_API_KEY' },
});
console.log(await res.json());Balance of Power API response
This response came from the live API on 9 November 2026. Long lists are shortened here.
{
"value": [-0.36186633923869427],
"timestamp": [1794218400]
}| Field | Type | Description |
|---|---|---|
value | number[] | Balance of Power result |
timestamp | integer[] | Unix time of each candle, in seconds |
Balance of Power 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 |
results | integer | No | 1 | Number of values to return, or max |
backtrack | integer | No | 0 | Candles to skip from the most recent |
What is Balance of Power?
Balance of Power measures how far buyers or sellers pushed the close away from the open, relative to the candle's full range. It ranges from −1 to +1.
Balance of Power formula
| Output | Calculation |
|---|---|
| BOP | (close − open) ÷ (high − low) |
How to read Balance of Power in your code
| Signal | Meaning | Condition |
|---|---|---|
| Buyers in control | Close finished well above open | value > 0 |
| Sellers in control | Close finished well below open | value < 0 |
| Extreme candle | Close near one end of the range | value near 1 or −1 |
Limitations: It is calculated from one candle at a time, so raw values swing sharply. Many traders smooth it with a moving average on their side. Nothing on this page is financial advice.
Compare the last two closed Balance of Power 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/bop \ -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/bop',
headers={'Authorization': 'Bearer YOUR_API_KEY'},
params={'exchange': 'binance', 'symbol': 'BTCUSDT', 'timeframe': '1h', '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 Balance of Power 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/bop \ -H "Authorization: Bearer YOUR_API_KEY" \ --data-urlencode "exchange=binance" \ --data-urlencode "symbol=BTCUSDT" \ --data-urlencode "timeframe=1h" \ --data-urlencode "results=100"
Get Balance of Power for multiple symbols
Combine Balance of Power 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": "bop",
"indicator": "bop"
},
{
"id": "rsi",
"indicator": "rsi"
}
]
}
]
}'Stream Balance of Power 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": "bop",
"exchange": "binance",
"symbol": "BTCUSDT",
"interval": "1m",
"indicator": "bop"
}Balance of Power API FAQ
What does the Balance of Power API return?
It returns value, plus a timestamp for the request. Results are JSON.
Is the latest Balance of Power 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.
Can I get Balance of Power 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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