Where should my stop be?

A stop is an invalidation level, not a prediction. Set it so you exit before liquidation risk matters.

No signals. No predictions.

Reality check

A stop-loss is the price where your trade thesis is wrong. If you can't explain what breaks at that level, your stop is arbitrary. Liquidation is different: it's forced. Your plan should assume slippage and spikes, and still keep liquidation far away.

Where to place my stop

1

Define invalidation first

Rule: Your stop must sit at the price where your idea is wrong (structure breaks, level fails, bias flips).

Why: Without invalidation, every stop is arbitrary. Example: "If this low breaks, the long is invalid."

2

Place the stop beyond the level, not on it

Rule: Put the stop past the invalidation level with a buffer.

Why: Stops at obvious levels get wicked. Stop a bit below support, not exactly at support.

3

Make sure it's not inside "normal noise"

Rule: If typical wicks on your timeframe can hit your stop, the stop is too tight or the setup is wrong for that timeframe.

Why: You'll get stopped on variance, not invalidation. Example: 0.3% stop on a 1h trade that routinely wicks 1%+.

4

Check R:R using a realistic target

Rule: With that stop, the trade must still have acceptable R:R.

Why: If the stop has to be huge, the trade may not be worth it. Example: Need 3% stop, but realistic upside is only 2%.

5

Ensure liquidation is far away (buffered)

Rule: Choose size/leverage so liquidation is meaningfully beyond the stop (account for slippage and spikes).

Why: A stop that can't trigger before liquidation is not a plan. Example: Stop -2% but liquidation at -2.5% → reduce leverage.

Why humans fail this

  • Stops are placed at pain thresholds, not invalidation. Traders set stops where it "feels okay to lose," not where the trade idea breaks.
  • Traders move stops to avoid being wrong, then get liquidated. Moving stops during the trade removes your plan and increases liquidation risk.
  • Position size is too big, so the stop becomes a coping mechanism. When you're overleveraged, you can't afford a proper stop — so you place it arbitrarily and hope.

Visual: A stop that looked safe but failed the filters

Invalidation level vs stop vs liquidation

$48,500
$44,200
$43,800
$43,200
$42,100
Target
Entry
⚠️ Stop (Bad)
Invalidation Level
Liquidation

🔴 Problem: Stop at $43,800 is above the invalidation level ($43,200). You've placed it where normal volatility lives — not where your thesis breaks. This stop will get hunted or hit on noise.

✅ Better: Stop below invalidation level at ~$43,000 (beyond the structure with buffer). Liquidation at $42,100 is safely away. Yes, it's wider — so reduce position size. That's how proper risk management works.

The formula you should always use

Position Size = (Account × Risk%) ÷ Stop Distance

Example: $10,000 account, risking 1% ($100), stop is $2 away from entry → Position size = $100 ÷ $2 = 50 units max.

If you want a larger position, you need either: (a) more risk tolerance, (b) tighter stop (but check if it's still below structure), or (c) a different trade with better entry.

Don't calculate this in your head

Enter your entry, stop, and leverage. PulseTrader checks whether liquidation is far enough away, and whether the stop is tight for the timeframe's typical movement.

FAQ

A stop-loss is your voluntary exit — where YOU decide to close the position if price moves against you. Liquidation is involuntary — the exchange forcibly closes your position because your margin can't cover the loss anymore. With proper stop placement, you should never see liquidation. If you're getting liquidated, your position size is too large for your stop distance, or your leverage is too high.

If you can't state what invalidates the trade,
you don't have a stop — you have hope.