Calculation Methodology
Exact formulas for return, volatility, and risk metrics calculated by Firewire Analytics.
XIRR — Money-Weighted Return
Internal rate of return for irregular deposits and withdrawals considering cash flow timing and volume.
TWR — Time-Weighted Return
Net investment strategy performance excluding external cash flow distortions for benchmark comparison.
Real Return (Fisher Equation)
Real purchasing power earned by the portfolio net of inflation rate adjustments.
YTM — Yield to Maturity
Effective bond yield calculated from your actual purchase price accounting for accrued interest, taxes, and fees.
Duration & Interest Rate Risk
Macaulay duration and modified duration: measuring bond price sensitivity to interest rate shifts.
Risk Metrics — Sharpe, Sortino, VaR
Sharpe, Sortino, Treynor ratios, Alpha, Beta, VaR (95%) and Max Drawdown mathematical formulas.
G-Curve & Z-Spread
MOEX/CBR zero-coupon curve, Z-spread calculation, and floating-rate coupon predictions.
Monte Carlo Simulation
Probabilistic evaluation of 10,000 capital trajectories, success rate, and quantile estimation.
FIRE Model & 4% Rule
Target passive income capital calculation, savings rate, and financial independence age forecast.
Cash Flow Calendar & Tax Accounting
Dividend and coupon forecasting, net yields calculation, and automated tax withholding.
Credit Rating Allocation & HY Bonds
Credit rating tier breakdown (AAA to High Yield), default risk evaluation, and portfolio convexity.
IIS Tax Deductions & Exemptions
Tax optimization: IIS accounts (Type 1, 2, 3) and long-term capital gains tax exemptions.
Guides & Layout Customization
Manuals for tailoring your Firewire analytics workspace.
Desktop (Tauri v2) & PWA
Install lightweight desktop apps for Windows, macOS, Linux, or mobile PWA on iOS and Android.
Bento Grid Dashboard Builder
Customizing your investment dashboard layout with modular Bento Grid widget tiles.
Alternative Assets & Crowdlending
Tracking non-public assets, commercial real estate, P2P loans, and JetLend API integration.
Social Benchmarking & Sharing
Comparing portfolio performance with community medians while protecting privacy.
Trades Analytics & Heatmap
Activity calendar heatmap, asset breakdowns in tooltips, transaction ledger, and return attribution.
Broker Integrations (API)
Step-by-step guides to generate access tokens and configure automated transaction sync.
Getting Started
Frequently asked questions and next steps.
TWR vs XIRR — Which return metric to use?
Understanding when strategy performance vs actual money invested matters most.
Security & API connection questions
API key encryption, supported brokers, privacy, and free trial on our main site.
Try on your own portfolio
Connect your broker via API or upload a transaction report for instant TWR/XIRR analytics.
Resources & Glossary
Investment terminology, definitions, and platform development history.