Find Best Profit Trading

index.js

const fs = require("fs");
const file = fs.readFileSync("sample.txt", "utf-8");
const data = file.split(" ");

const findProfit = (buyStats) => {
    let bestBuyTime = 0;
    let bestProfit = 0;
    let currentHodl = 0;
    let currentValue = 0;
    let lastHodl = 0;
    for(let i = 0; i < buyStats.length; i++) {
        if (i === 0) {
            currentHodl = parseInt(buyStats[i]);
            lastHodl = parseInt(buyStats[i]);
            currentValue = currentHodl;
            continue;
        }

        if (currentHodl > parseInt(buyStats[i]) && lastHodl < currentHodl) {
            lastHodl = currentHodl;
            currentHodl = parseInt(buyStats[i]);
            bestBuyTime = i;
        } else if (parseInt(buyStats[i]) > currentHodl && currentValue <= parseInt(buyStats[i])) {
            currentValue = parseInt(buyStats[i]);
            bestProfit = parseInt(buyStats[i]) - currentHodl;
        }
    }
    if (bestProfit === 0) {
        bestBuyTime = 0;
    }
    return {buyStats: buyStats, bestBuyTime, bestProfit, lastHodl};
}

const findProfits = data.map(el => findProfit(el));
const maxProfit = findProfits.reduce((total, obj2) => total + obj2.bestProfit, 0);
console.log({maxProfit})