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Stock Position Sizing Calculator

Use the Free Calculator below to quickly work out how many shares of a stock or ETF you should buy or sell to achieve your desired position size.

First enter your current account value, then enter the desired % of your account you want in the stock, then enter the current price of the stock or ETF, then it will show you how many shares to buy or sell.

If your account is in a currency other than USD and you're trading USD products you should first convert your account balance into USD using the currency converter below.

We use 7.50% position size for our short stock strategy which you can follow.

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