Margin Calculator – Calculate Trading Margin, SPAN & Exposure

function fmtINR(n){return’₹’+Math.round(n).toLocaleString(‘en-IN’)}
function calcMargin(){var seg=document.getElementById(‘mg_segment’).value,cap=parseFloat(document.getElementById(‘mg_capital’).value)||0,price=parseFloat(document.getElementById(‘mg_price’).value)||1,lot=parseFloat(document.getElementById(‘mg_lotsize’).value)||1,sl=parseFloat(document.getElementById(‘mg_sl’).value)||1,leverage={‘equity’:5,’fno’:1,’options’:1,’commodity’:1.5},lev=leverage[seg],posVal=price*lot,margin=posVal/lev,lots=Math.floor(cap/margin),risk=price*sl/100*lot*lots;document.getElementById(‘mg_per_lot’).innerHTML=fmtINR(margin);document.getElementById(‘mg_lots’).innerHTML=lots;document.getElementById(‘mg_risk’).innerHTML=fmtINR(risk);document.getElementById(‘mg_position’).innerHTML=fmtINR(posVal*lots)}calcMargin();