Portfolio Backtest Tool - this tool allows you to create various portfolios of stocks and check their historical behaviour, analyze portfolio past returns and compare portfolios between each other.

Please make your selection in the desired portfolio parameters below and press "Add new portfolio" button.

Time Frame
Portfolio start year. Must be equal or greater 1985.
Start month
Portfolio end year. Must be equal or greater than start year.
End month
Portfolio time frame. Start date must be equal or greater 01/1985. End date must be equal or greater than start date.
Tax Brackets
Your income tax
%
Long term capital gain tax
%
State tax
%
Tax calculations are approximate and for illustration purposes only. There is no way we can possibly know your exact tax situation and calculate that correctly for you.
New Portfolio
These values only affect new portfolios. You can change portfolio properties after it is already created by pressing "Settings" button in portfolio menu.
Initial Value
Initial portfolio value in $
$
Apply Taxes
Reinvest dividends
Rebalance
Rebalance with
Cashflows
Frequency
Amount
$
Adjust for inflation during each period

Disclaimer: We are NOT a registered investment, financial or tax advisor, rating agency or a broker/dealer. All investment/financial opinions expressed by this site are from our own research and experience and are intended as educational material. Although best efforts are made to ensure that all information, data and calculations provided by this website are accurate and up to date, accuracy is not guaranteed and results can differ from the real life results. We hold NO responsibility or liability for any errors, losses or damages incurred as a result of any individual actions based on the provided information. Nothing on this website should be or is meant to be understood as a recommendation, and we do NOT advise making investment decisions based solely on information provided by this website. Always do your own research and contact a professional if necessary before making any financial decision.

Remember: Past performance does not guarantee future results, even if stock/fund performed well in the past there is no guarantee it will do the same in the future.

© Ladnotech LLC. 2024
Ladnotech LLC is IT consulting and software development company, leveraging data science for custom solutions.
Contact us at info@ladnotech.com