Daily close simulator

All-In

Buy the whole budget on day one. Sell everything when the close drops more than your sell trigger versus yesterday. Buy it all back when the close rises more than your buy trigger.

Delayed daily closes
Split-adjusted · no dividends

Shown in the picker as your browser date. Used as 7/10/2025. Snaps to the next session.

Changing triggers or fees after a run uses the same downloaded closes. Brute force tests every whole-percent pair from 1 to 15 and applies the best ending value.

No tape yet

Pick a listing, set a start date and budget, then run. Try NVDA from a year ago with a $1,000 budget, +2% / −3%.