Your Stop-Loss Was at $95. So Why Did You Sell at $92.80?
Imagine buying a coin at $100.
You don't want to lose too much, so you set a stop-loss at $95.
Good. You've planned your exit before the trade goes wrong.
Then the market suddenly drops.
You open your account and discover that your position was sold at $92.80.
Wait a minute.
You set your stop at $95. How did you end up selling at $92.80?
Did the exchange ignore your order?
Not necessarily.
There's something about stop-loss orders that many beginners discover only after their first painful trade:
The price that triggers your exit isn't always the price you receive.
And if you don't understand the difference, you might believe you're risking less than you actually are.
First, understand what happened to your $100 trade
Let's return to the example.
You bought at $100 and set a stop-loss trigger at $95.
Your plan was to exit if the price fell 5% below your entry.
But the market was moving quickly. By the time your sell order found available buyers, your average execution price was $92.80.
Your actual loss was 7.2%, not 5%, before fees.
The stop wasn't necessarily broken. The market moved, and the available selling prices were worse than the trigger price.
This is one reason execution matters just as much as choosing an entry.
A stop-loss is an instruction for what should happen when a condition is met. It isn't a promise that the market will give you a particular exit price.
Think of it as a planned exit—not a force field around your money.
Two stop-loss orders. Two different problems.
Here's where things get interesting.
Traders often talk about stop-market and stop-limit orders as if one is simply better than the other.
But they solve different problems.
A stop-market order prioritizes getting out.
When the trigger condition is met, the order becomes a market order that seeks to sell at the best available prices.
The advantage is that you're not restricting the sale to one particular limit price.
The disadvantage? In a fast-moving or illiquid market, the execution price can be worse than expected.
Let's say your stop triggers at $95, but available buyers are bidding $93.50.
Your order may sell around that lower price, depending on the available liquidity and order size.
You triggered the exit at $95. You didn't guarantee a $95 sale.
A stop-limit order prioritizes price control.
This order has two prices:
The stop price, which activates the order.
The limit price, which sets the minimum price you'll accept when selling.
Suppose you set a stop trigger at $95 and a sell limit at $94.50.
When the trigger is reached, a sell limit order is placed at $94.50.
That gives you more control over the acceptable selling price.
But what happens if the market suddenly falls from $95 to $92.80 and buyers aren't willing to pay $94.50 or more?
Your order might not fill.
You could still be holding the coin while its price continues falling.
That's the trade-off beginners need to understand:
A stop-market order can give you a worse price than expected. A stop-limit order can leave you without an exit.
Neither eliminates market risk.
The dangerous assumption: "At least I have a stop-loss."
Having a stop-loss is not the same as understanding how it works.
Imagine two traders holding the same coin.
Both bought at $100.
Both planned to exit if the price fell to $95.
The first trader uses a stop-market order and understands that the actual sale could happen below $95.
The second uses a stop-limit order but doesn't realize the order could remain unfilled if the market falls too quickly.
When the price crashes, both discover that their planned exits have different limitations.
The lesson isn't that one trader must always be right.
It's that you should know what your order can—and cannot—do before you depend on it.
And there's another detail worth paying attention to if you trade futures.
Futures traders have one more price to understand
On Binance Futures, stop orders can use either Last Price or Mark Price as their trigger reference, depending on the order and settings.
Last Price is the latest traded price of the contract.
Mark Price is an estimated fair value used in futures calculations, including unrealized profit and loss and liquidation monitoring.
These prices can differ, particularly during volatile markets.
That means a stop configured to trigger using Last Price may behave differently from one triggered using Mark Price.
There's also a serious risk when using leverage: liquidation can occur before your planned stop-loss protects the position.
Binance's documentation specifically warns against placing a stop-loss trigger too close to the estimated liquidation price because liquidation may happen first.
So if you're trading futures, don't just ask, "Where is my stop?"
Ask, "Which price triggers it, and how close is my liquidation price?"
If you're still learning, consider practising with a demo account before risking real money on leveraged trades.
So how should a beginner use a stop-loss?
You don't need a complicated trading system. You need to understand your exit before entering.
Here's a practical checklist.
1. Decide where your trade idea becomes invalid.
Don't choose a stop just because you want to lose only a certain number of cents.
First understand what would prove your trading idea wrong. Then consider whether the distance to that level makes sense for your account and position size.
If the potential loss is too large, reduce the position or skip the trade.
2. Understand the order type you're using.
If you use a stop-market order, understand that the final execution price can differ from the trigger.
If you use a stop-limit order, understand that the order might not fill.
Don't choose an order simply because its name sounds safer.
3. Check the actual order after placing it.
Make sure the stop is active, the quantity is correct, and the trigger reference and other settings match your plan.
A stop you intended to place but never successfully submitted cannot protect your position.
4. Leave room for execution risk.
A stop price is not a guarantee of your maximum loss.
Fast moves, limited liquidity, fees and slippage can increase the loss beyond your initial calculation.
That's why position sizing matters. If you cannot tolerate a larger-than-expected loss, your position may be too large.
5. Never use your stop as an excuse to take a reckless trade.
Some beginners think they can enter any setup because they have a stop-loss.
But a stop doesn't turn a bad entry into a good one. It doesn't guarantee a fill at the intended price, and it doesn't eliminate the possibility of losing money.
Risk management begins before you enter—not when the chart turns red.
One final thought
I want you to remember something the next time you place a trade.
Your entry price is a number.
Your stop price is a trigger or limit condition, depending on the order.
Your actual exit is determined by how the order executes under the market conditions that exist at the time.
Those are three different things.
Understanding that difference won't prevent every loss. Nothing can do that.
But it can stop you from building a trading plan around an assumption that was never guaranteed in the first place.
And that's what we're trying to do in Crypto Survival School: learn the uncomfortable details before they become expensive lessons.
Let me ask you something:
If you were holding a coin and your stop-loss triggered, which would worry you more?
A) Selling below your planned stop price.
B) Using a stop-limit order and discovering that it never filled.
Tell me why. There's a real trade-off here, and understanding it matters more than memorizing the names of different orders.
Next in Crypto Survival School: The Green Number on Your Screen Isn't Your Profit Yet.