FOLIO損失？

gistfile1.js

/*
 * https://folio-sec.com/mypage/history/balance を開いて開発者ツールを開いてこのスクリプトをコピペしてください
*/

function waitMottoMiru(completion) {
  setTimeout(function() {
    var mottoMiru = document.querySelectorAll("div[class*=\"More__more\"] > button")
    if (mottoMiru.length == 0) {
      completion();
      return;
    }
    mottoMiru[0].click();
    waitMottoMiru(completion);
  }, 200);
}

async function fetchAllShisan() {
  var assets = await fetch("https://folio-sec.com/mypage/assets");
  var text = await assets.text();
  var div = document.createElement("div");
  div.innerHTML = text;
  var allShisan = div.getElementsByClassName("mypageHeaderAssetSummary__col__value__price--large")[0].innerText.replace(/,/g, "").replace("¥", "");
  return parseInt(allShisan);
}

function calcProfit() {
  var tbody = document.getElementsByTagName("tbody")[0];
  var profit = 0;
  var rows = tbody.children;
  for (var i = 0; i < rows.length; i++) {
    var row = rows[i];
    if (row.children[1].innerText == "売買代金・テーマ配当金等") {
       continue;
    }
    var income = parseInt(row.children[2].innerText.replace(/,/g, "").replace("¥", "")) || 0;
    var excome = parseInt(row.children[3].innerText.replace(/,/g, "").replace("¥", "")) || 0;
    profit += income + excome
  }
  fetchAllShisan().then(allShisan => {
    alert("全ての資産: " + allShisan + "\nこれまでの損益？: " + (allShisan - profit) + "\n損益率?: " + ((allShisan/profit*100)-100) + "%")});
}
waitMottoMiru(calcProfit)