Efficient Frontier Optimizer
Enter expected return, volatility, and correlation for up to 8 assets and see the Markowitz efficient frontier plotted live — including the minimum-variance and max-Sharpe portfolios.
Open the tool → ValuationDCF Valuation Model
A full discounted cash flow model in your browser: revenue build, free cash flow, terminal value, and a WACC/growth sensitivity table — no Excel required.
Open the tool → Portfolio theoryPortfolio Backtest Calculator
Set an allocation across stocks, bonds, REITs, gold and cash, pick a historical period, and see the CAGR, volatility, and max drawdown it would have produced. Download the report — free, no signup, no paywall.
Open the tool → ValuationRelative Valuation / Comps Calculator
Enter a peer group's financials and apply their median P/E, P/B, EV/Revenue and EV/EBITDA multiples to your own company to get an implied valuation range — the method most real-world valuations actually lean on.
Open the tool → ValuationCost of Capital (WACC) Calculator
Build a proper discount rate: bottom-up beta from a peer group, unlevered and relevered at your own capital structure, plus a synthetic credit rating for cost of debt if you don't have one already.
Open the tool → ValuationImplied Cost of Equity Calculator
Back out the required rate of return the market is already pricing in, from a stock's P/B ratio, ROE, and growth — Damodaran's P/BV framework, with a live multi-company comparison table.
Open the tool → ValuationGrowth Rate Justification Calculator
A growth rate isn't a number you copy from a screener — it's what reinvestment rate and return on capital actually produce. See the factors, get the growth rate they justify, and check it against whatever number you were about to use.
Open the tool → ValuationValuation Assumption Analyst
Enter your growth, margin, ROIC, and discount-rate assumptions and pick an industry — get only the questions an equity analyst would actually raise about those specific numbers, not a generic checklist.
Open the tool → TradingBuy Zone & Stop-Loss Calculator
Enter a breakout's buy point and your entry price. See the 5% buy zone, your 7-8% stop, how much cushion a normal pullback leaves you, and whether breakout volume confirmed the move.
Open the tool → Private equityLBO Model Calculator
A full leveraged buyout model: entry purchase price, debt/equity structure, a cash-sweep paydown schedule, and exit MOIC/IRR — plus an entry × exit multiple sensitivity grid, the actual point of the exercise.
Open the tool → Financial modelling3-Statement Model Calculator
A fully linked income statement, balance sheet, and cash flow statement — working capital driven by real days-based ratios, PP&E rolled forward properly, and a live balance check proving assets actually equal liabilities plus equity.
Open the tool → AI · Investment researchAI Investment Memo Generator
Turn a startup's basic details into a structured investment-memo-style summary — opportunity, market thesis, key risks, use-of-funds read, and four sharp diligence questions. Organizes what you tell it and asks better questions; never tells you whether to invest.
Open the tool → Portfolio theoryMonte Carlo Portfolio Simulator
Run 3,000 randomised future market paths against your savings or retirement plan and see the probability of hitting your goal — or running out of money — instead of a single average-case number.
Open the tool → Portfolio theoryAsset Correlation Matrix
Real historical correlation coefficients between stocks, bonds, REITs, gold and cash — computed from data, not guessed — plus a rolling stock/bond correlation chart showing how 2022 broke the classic 60/40 assumption.
Open the tool → Guide · CareersHow to Build a Finance Portfolio That Gets You Hired
The project types that actually show up in strong VC, PE, and IB portfolios — LBO models, 3-statement models, DCF/comps, investment memos — each linked to a free tool to build it with.
Read the guide → GuideBuild an Econometric Model in Python
A from-scratch walkthrough of OLS regression with statsmodels — assumptions, diagnostics, and a worked example predicting early-stage funding outcomes.
Read the guide → Founder FAQThinking About Selling? The Questions Nobody Asks
An interactive FAQ on exits — valuation, LOIs, earnouts, escrow holdbacks, non-competes. Every answer has the short version and the "but" that actually matters.
Open the guide → ReferenceFinance Glossary
Plain-English definitions for 80+ terms across startups & VC, valuation, financial statements, portfolio theory, markets, and personal finance — cross-linked to the actual tools where one exists.
Browse the glossary →These tools are for education and modelling practice. They don't account for every real-world factor (fees, taxes, liquidity constraints, estimation error) and nothing here is investment advice — see our terms & risk disclosure.