Why does trading without a stop-loss matter?

Without a predetermined exit price, your loss on a trade is limited only by your own decision-making in the moment, and a stock can fall further than most traders expect, all the way to zero on a long position.

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How much could I lose on this trade if I don't use a stop-loss at all?

Q: How much could I lose on this trade if I don't use a stop-loss at all?

Enter your entry price, share count, and a hypothetical adverse move percentage. The calculator shows the modeled dollar loss, the percent of your account it represents, and, if you enter your usual stop-loss distance, how much further your risk extends without a hard stop.

Discipline isn't a personality trait. It's a system you build so willpower is optional.

Jason Parker, Founder of Trading Habits

Model the Trade

Your Result

Fill in the fields on the left and click Calculate Exposure to see what an unprotected trade could cost you.

How this is calculated

Modeled dollar loss equals your position value (shares multiplied by entry price) multiplied by the adverse move percentage you enter.
Without a stop-loss order, your loss on a trade is capped only by how far you personally decide to let it fall, or by your own emotional breaking point, not by a predetermined price.
This tool models what a specific decline would cost you in dollars. It does not predict whether that decline will happen or how far a stock can actually move.
If you enter your planned stop-loss distance, the tool shows the extra dollar risk you're carrying compared to trading with a defined stop.
A long stock position can fall all the way to zero. A short position carries theoretically unlimited risk to the upside. There is no floor on how large an unprotected loss can get.

Risk & liability disclaimer: This calculator produces a mathematical estimate based on the numbers you enter. It is not financial advice and does not guarantee any trading outcome. Trading involves risk of loss, and a stock can move further than any percentage modeled here. Trading Habits is not a broker-dealer, registered investment adviser, or tax professional, and is not affiliated with any broker, exchange, or data provider. We do not guarantee this tool is error-free or suitable for your situation. Always verify results independently and consult a licensed professional before making any trading or financial decision. You could lose some or all of the capital you trade with.

How much could I lose on this trade if I don't use a stop-loss at all?

Model the Trade

Your Result

How this is calculated

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