Where Should I Put My Stop-Loss?

Trading Basics & Risk · Published · By the UXS editorial team

Direct answer

Where to put a stop-loss

Put your stop where your trade idea is proven wrong, such as beyond a recent swing low for a long trade, plus a buffer for normal price noise. Then size the position so that hitting the stop costs only a small, pre-set share of your account. The stop sets the risk; position size controls how much money that risk is.

  • Place it where the trade idea is invalidated
  • Add a buffer for normal volatility (e.g. a multiple of average range)
  • Then size the position to your risk limit
  • Stop orders can fill worse than the stop in gaps

Updated November 10, 2026 · Sources checked November 10, 2026

"Where do you put your stop?" is probably the single most common reply under trade ideas on X. The answer is less about a magic number and more about a process.

What people on X are asking

The same short question appears under almost every trade setup. In March 2026 one reply asked, "Yeah, but where do you put your stop loss?" Others asked the same under a chart in July and about a specific chip stock in June. Nobody can answer it without knowing the trade idea, the timeframe and the account size, which is why the process below matters more than any single level.

The fact-checked answer

What a stop order is. Investor.gov explains that a stop order becomes a market order once the stop price is reached. In fast markets or overnight gaps, the fill can be much worse than the stop price. A stop-limit order avoids that but may not fill at all.

Step 1: find the invalidation level. Ask what price would show your idea is wrong. For a long trade bought on support, that is usually just below the support or recent swing low. For a short, just above the recent swing high.

Step 2: add a volatility buffer. Normal price noise should not stop you out. Many traders use a multiple of the average daily range (often called ATR) beyond the level. When volatility is high, such as when the VIX is elevated (it closed at 25.64 on November 6, 2026 per FRED), buffers need to be wider.

Step 3: size the position from the stop. Position size = money you are willing to lose ÷ distance to the stop.

AccountRisk limit (1%)EntryStopDistancePosition size
$10,000$100$50.00$48.00$2.0050 shares
$10,000$100$50.00$45.00$5.0020 shares
$10,000$100$50.00$49.50$0.50200 shares

The wider stop does not mean more risk; it means a smaller position.

Step 4: check reward vs risk. If the realistic target is closer than the stop, the trade may not be worth taking.

Decision helper

Stop typeUse whenWeakness
Structure stop (beyond swing high/low)Clear chart levelsMany traders place stops at the same obvious spots
Volatility stop (ATR multiple)Trending or noisy marketsCan be wide, needs smaller size
Time stopTrade has not worked within a set timeRequires discipline
Percentage stop (e.g. 8% from entry)Simple long-term ruleIgnores the asset's own volatility

Checklist

  1. Write the invalidation level before entering.
  2. Add a buffer for normal volatility.
  3. Calculate position size from your risk limit.
  4. Decide between stop and stop-limit, knowing the trade-off.
  5. Never widen a stop after entry to avoid taking a loss.

Common mistakes

  • Setting stops so tight that normal noise triggers them.
  • Moving the stop further away as price approaches it.
  • Choosing the stop after choosing the position size.
  • Trading without any exit plan.

FAQ

Should I use a percentage stop like 2%?

Use a stop based on the chart and volatility, then adjust position size so the loss is about the share of your account you accept.

Why do my stops keep getting hit?

They may be too tight for the asset's normal movement, or placed at obvious levels where many other stops sit.

Will my stop fill exactly at my price?

Not necessarily. A stop becomes a market order and can fill worse during gaps or fast moves.

Should I use a stop-limit instead?

It controls price but may not fill if the market moves past your limit, leaving you in a losing position.

Can I move my stop?

Moving it to lock in profit (trailing) is common; moving it further away to avoid a loss is a classic mistake.

Do long-term investors need stops?

Many do not use hard stops but set rules for reviewing positions; stops are more common in active trading.

Sources

Facts checked November 10, 2026. X posts are cited as evidence of the question, not of the answer.