平均线 9"/>
指数移动平均线 9
我正在为 binance 开发一个机器人,我已经拥有与期货市场买卖相关的一切,但我有一个问题,我无法对 ema 9 进行编程,我什至找不到具有正确的 api BTCUSDT永续合约图表上的ema9价格,谁能帮帮我?
const axios = require("axios");
function calculateEMA(closes) {
const ema = [];
const sma9 = closes.slice(0, 9).reduce((acc, val) => acc + val, 0) / 9;
ema.push(sma9);
const multiplier = 2 / (7 + 1);
for (let i = 1; i < closes.length; i++) {
const prevEma = ema[i - 1];
const close = closes[i];
const currEma = (close - prevEma) * multiplier + prevEma;
ema.push(currEma);
}
return ema[ema.length - 1];
}
async function backtest() {
const response = await axios.get(";interval=4h&limit=20");
const candles = response.data;
const closes = candles.map(candle => parseFloat(candle[4]));
const numCandles = closes.length;
for (let i = 9; i < numCandles; i++) {
const lastCloses = closes.slice(i - 9, i);
const ema9 = calculateEMA(lastCloses);
console.log(ema9);
}
}
backtest();
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指数移动平均线 9
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