Premium Tool

Advanced Withdrawal Strategy Simulator

Compare three retirement withdrawal strategies side-by-side using 35 years of real historical market data. Find out which approach keeps your money working longest.

Simulation Parameters

Your portfolio value at the start of retirement
Percentage of portfolio to withdraw in Year 1
Number of years to simulate (10 to 50)
Expected annual inflation (default: 2.5%)
Remainder goes to bonds automatically
Auto-calculated from stock allocation

Static 4%

Fixed dollar amount, inflation-adjusted each year

Guardrails

Guyton-Klinger dynamic adjustments

% of Portfolio

Fixed % of current balance each year

Summary Results

Simulation Length
30 yrs
historical cycle
Starting Withdrawal
$40,000
Year 1 annual amount
Stock / Bond Mix
60/40
portfolio allocation
Avg Annual Return
--
blended portfolio return

Static 4% Strategy

Final Balance
--
Total Withdrawn
--
Depleted In Year
--
Status
--

Guardrails Strategy

Final Balance
--
Total Withdrawn
--
Depleted In Year
--
Status
--

% of Portfolio Strategy

Final Balance
--
Total Withdrawn
--
Depleted In Year
--
Status
--

Portfolio Value Over Time - All Three Strategies

Static 4%
Guardrails
% of Portfolio
Year Hist. Year Stock Return Bond Return Portfolio Return Start Balance Withdrawal End Balance Status

How Each Strategy Works

Static 4%

Withdraw a fixed dollar amount equal to your initial rate times your portfolio. Adjust that dollar amount for inflation each year, regardless of portfolio performance. Simple and predictable, but rigid.

Guardrails (Guyton-Klinger)

Start like Static, but apply guardrail rules: if your current withdrawal rate rises 20% above initial (portfolio dropped), cut spending 10%. If it falls 20% below initial (portfolio grew), take a 10% raise. Adapts to market conditions.

Percentage of Portfolio

Withdraw a fixed percentage of whatever the portfolio is worth each year. Income fluctuates with the market, but the portfolio can theoretically never be depleted to zero. Provides a natural safety valve.

Historical data cycles through S&P 500 stock returns and US aggregate bond returns from 1990 to 2024 (35 years). For simulations longer than 35 years, the cycle repeats. This is a simplified educational model; actual returns will vary.