Twenty-two instruments, free in your browser.
Explore a question below. Tools share the workstation’s calculation libraries; each names its own reference assumptions or historical data. Calculations run in your browser; account saves use Supabase.
Check my current portfolio →
Import holdings or start with a worked allocation. Review the matches before running.
Compare a possible change →
See how a different return changes your goal. Start with the ready-to-use example.
Test my retirement assumptions →
Explore uncertain paths, withdrawals and retirement length.
Markets & valuation
5Cyclically adjusted P/E ratios for 52 equity markets on an interactive world map. See which countries are cheap, fair, or expensive relative to their own history.
Real-time market overview: indices, sector heatmap, yield curve, credit spreads, factors, news, FX, commodities, and digital assets, with CAPE valuation context.
Compare expected returns from J.P. Morgan, BlackRock, AQR, Research Affiliates and GMO across 57 asset classes. Interactive table and scatter plot, plus a page for each of 13 more forecasting houses.
How do Bitcoin and Gold correlate with stocks, bonds, and each other? Side-by-side comparison on a correlation matrix measured from the assets' own returns, plus 15 years of rolling correlation history.
What money used to be worth, or what it is worth now, in 6 currencies, each read from its own country's published price record rather than one assumed rate. Pick a currency, an amount and a date range, back to 1914 where the record reaches.
Portfolio construction
8Import manager holdings files, combine legal issuer exposures and identify missing data. Includes a ready-to-send data request and optional CSV template.
Keep your portfolio and test a different return. Compare purchasing power and the monthly saving needed to reach your goal, in five currencies.
Find researched investment candidates for a portfolio exposure. Compare benchmarks, currency hedges, charges and access evidence, with sources and unresolved differences shown alongside each fund.
Backtest any mix of ETFs, index funds, mutual funds and asset classes against their real history. Free, no signup, no lookback cap, back to 1990 where the fund existed.
Build your optimal portfolio across 57 asset classes. Set constraints, then pick your method from Max Sharpe, Min Variance, Risk Parity, HRP, or Black-Litterman.
Backtest any portfolio with Bitcoin: see how adding 1-20% BTC to a 60/40 or three-fund portfolio would have performed since 2015. Real historical data with rebalancing.
Fama-French 6-factor regression for any ETF, asset class, or multi-asset portfolio. See market beta, size, value, momentum, and profitability factor loadings with alpha, R², and significance tests.
Check a South African retirement fund's allocation against every Regulation 28 asset-class limit, plus the 45% offshore limit that exchange control sets separately. Every figure read from the gazette.
Retirement & withdrawal
5UK only. Enter the income you need after tax and it solves the gross withdrawal across pension, ISA, GIA and cash, comparing four withdrawal orders on 2026/27 rates.
Can you retire with Bitcoin? Monte Carlo simulator with stocks, bonds, cash, Bitcoin, and gold. 1,000 paths with fan chart and survival rate.
Find your safe withdrawal rate with a survival heatmap across 6 time horizons and 13 withdrawal rates. 1,000 Monte Carlo simulations.
Simulate 1,000 retirement paths with Cornish-Fisher fat-tail adjustment. Fan chart, percentile outcomes, and risk metrics.
Project what regular saving compounds into, in nominal terms and in real terms, with a growth rate cited from real forecasters instead of one you guessed. The inflation deflator draws on the same 6-currency price history behind the inflation calculator, back to 1914 where the record reaches.
The Bitcoin desk
4See what dollar-cost averaging into Bitcoin would have returned since 2014. Compare BTC vs S&P 500 with real historical prices and interactive charts.
Every major Bitcoin crash since 2010: peak-to-trough decline, duration, and recovery time. Interactive charts with adjustable drawdown threshold.
Compare Bitcoin and gold side-by-side since 2010: cumulative returns, volatility, drawdowns, Sharpe ratio, and correlation. Updated weekly.
See how adding 1-20% Bitcoin affects your portfolio's risk-adjusted returns. Mean-variance optimization with J.P. Morgan 2026 assumptions.