Retirement · Withdrawal · Allocation

Keep your retirement savings
standing firm in the market.

Two focused, free tools: simulate the long-run outcome of dynamic withdrawals with the Guyton-Klinger rules, and work out how to rebalance your portfolio. Everything runs in your browser — no signup, no data collection.

Tool 01

GK Dynamic Withdrawal Simulator

Simulate retirement withdrawals year by year with the Guyton-Klinger rules — freeze, capital preservation and prosperity — and see how long your savings last.

Start → Tool 02

Portfolio Rebalancing Calculator

Enter your current holdings and target allocation; instantly get buy/sell suggestions for either "invest new cash" or "full rebalance".

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