Chỉ Báo Kỹ Thuật - Indicators

import { sma, ema, rsi } from 'vnstock-js';

const history = await vnstock.stock.quote.history({
  symbols: ['FPT'], start: '2024-01-01', timeFrame: '1D'
});

const sma20 = sma(history, { period: 20 });
// → [{ date: "2024-01-15", sma: null }, ..., { date: "2024-02-15", sma: 25.6 }, ...]

// SMA theo volume
const volumeSma = sma(history, { period: 10, field: 'volume' });

const ema12 = ema(history, { period: 12 });
// → [{ date: "...", ema: null }, ..., { date: "...", ema: 25.8 }, ...]

const rsi14 = rsi(history); // period mặc định = 14
// → [{ date: "...", rsi: null }, ..., { date: "...", rsi: 65.3 }, ...]

const rsi7 = rsi(history, { period: 7 });