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Position size calculator (stop-loss and risk)

How many shares to buy so that a stop-loss costs only a set share of your capital.

Shares to buy–
Money needed–
Loss if the stop is hit–
Profit at the target–
Reward : risk–

How it is calculated

Shares = (capital × risk %) ÷ (buy price − stop-loss), rounded down, and never more shares than your capital can buy. A wider stop means fewer shares, so the loss at the stop stays the same (when the capital limit applies, that loss is smaller than your risk %).

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