Plan how much to buy to reach a target cost basis, or simulate how a new purchase changes your position - updated live as you type.
Pick a stock and we will fetch the live market price for your calculations.
Complete a module to preview your updated position.
How much do you need to buy to lower your average cost to a target price?
Shares you already own
Your cost basis per share today
Price you would pay for new shares
Desired average cost after buying
Fill in all four fields to see how many shares and how much capital you need.
Calculations assume a single purchase at the market price you enter. Live prices come from the valuation API and may lag real-time quotes.