Interest Rate Swaps Calculator

Interest Rate Swaps Calculator

Model the cash flows of a plain vanilla interest rate swap.

Swap Parameters

Cash Flow Analysis

Export Swap Analysis Report

Generate a professional PDF of the cash flow analysis for your records.

Total Floating Received

$${totalFloating.toLocaleString(undefined, {maximumFractionDigits:0})}

Net Cash Flow

$${netCashFlow.toLocaleString(undefined, {maximumFractionDigits:0})}

`; const tableRows = schedule.map(p => `${p.period}$${p.fixed.toLocaleString(undefined,{maximumFractionDigits:0})}$${p.floating.toLocaleString(undefined,{maximumFractionDigits:0})}$${p.net.toLocaleString(undefined,{maximumFractionDigits:0})}`).join(''); document.getElementById('schedule-table-container').innerHTML = `${tableRows}
PeriodFixed PaidFloating RcvdNet
`; const ctx = document.getElementById('flow-chart').getContext('2d'); if (flowChart) flowChart.destroy(); flowChart = new Chart(ctx, { type: 'bar', data: { labels: schedule.map(p => `P${p.period}`), datasets: [{ label: 'Net Cash Flow', data: schedule.map(p => p.net), backgroundColor: schedule.map(p => p.net >= 0 ? '#16a34a' : '#dc2626') }] }, options: { responsive: true, maintainAspectRatio: false, plugins: { legend: { display: false } } } }); } // --- PDF GENERATION --- async function generatePdfReport() { downloadPdfBtn.disabled = true; downloadPdfBtn.textContent = 'Generating...'; const { totalFixed, totalFloating, netCashFlow, schedule } = analysisResults; const tableRows = schedule.map(p => `${p.period}$${p.fixed.toLocaleString()}$${p.floating.toLocaleString()}$${p.net.toLocaleString()}`).join(''); const reportHtml = `

Interest Rate Swap Analysis

Date: ${new Date().toLocaleDateString()}

TOTAL FIXED PAID
$${totalFixed.toLocaleString(undefined, {maximumFractionDigits:0})}
TOTAL FLOATING RECEIVED
$${totalFloating.toLocaleString(undefined, {maximumFractionDigits:0})}
NET CASH FLOW
$${netCashFlow.toLocaleString(undefined, {maximumFractionDigits:0})}
Cash Flow by Period
Detailed Payment Schedule
${tableRows}
PeriodFixed PaidFloating ReceivedNet Payment
`; const pdfTemplate = document.getElementById('pdf-template'); pdfTemplate.innerHTML = reportHtml; pdfTemplate.classList.remove('invisible'); new Chart(document.getElementById('pdf-flow-chart'), { type: 'bar', data: flowChart.data, options: { ...flowChart.options, animation: { duration: 0 }, maintainAspectRatio: false } }); setTimeout(async () => { try { const { jsPDF } = window.jspdf; const canvas = await html2canvas(pdfTemplate.querySelector('.pdf-report-container'), { scale: 2 }); const imgData = canvas.toDataURL('image/png'); const pdf = new jsPDF({ orientation: 'p', unit: 'pt', format: 'a4' }); const pdfWidth = pdf.internal.pageSize.getWidth(), pdfHeight = (canvas.height * pdfWidth) / canvas.width; pdf.addImage(imgData, 'PNG', 0, 0, pdfWidth, pdfHeight); pdf.save('Interest_Rate_Swap_Analysis.pdf'); } catch (e) { console.error('PDF Generation Error:', e); } finally { downloadPdfBtn.disabled = false; downloadPdfBtn.textContent = 'Download PDF Report'; pdfTemplate.classList.add('invisible'); pdfTemplate.innerHTML = ''; } }, 500); } // --- EVENT LISTENERS --- downloadPdfBtn.addEventListener('click', generatePdfReport); // --- INITIALIZATION --- switchTab(0); });
Scroll to Top