Where to Place a Stop-Loss
Place stops where your idea is wrong, not where the loss feels comfortable.
A stop-lossA pre-set exit that caps your loss if a trade goes wrong. is a pre-set exit that caps your loss if the trade goes against you. The hard question isn’t whether to use one — it’s where to putThe right, not the obligation, to buy or sell at a set price. it. And the answer is more subtle than “however much I’m willing to lose.”
Place your stopA pre-set exit that caps your loss if a trade goes wrong. where your trade idea is proven wrong — not where the loss feels tolerable. These are completely different questions. Your reason for entering was based on something (a supportPrice zones where buying (support) or selling (resistance) tends to dominate. level holding, a trendThe prevailing direction of price: up, down or sideways. continuing); the stopA pre-set exit that caps your loss if a trade goes wrong. belongs just beyond the price that would disprove that reason. If you instead place the stop at an arbitrary “I’ll risk ₹5” distance that sits inside normal noise, you’ll get stopped out by random wiggles while your idea was still valid. Let the chart (the invalidation level), sized by the stock’s volatilityThe size of price swings — not their direction., decide the stop — then size the position so that loss is affordable. Stop placement first, position size second.
- Logical level — putThe right, not the obligation, to buy or sell at a set price. the stopA pre-set exit that caps your loss if a trade goes wrong. just beyond the structure that invalidates your idea: below the supportPrice zones where buying (support) or selling (resistance) tends to dominate./swing-low you bought, beyond the pattern, or a multiple of ATR to clear normal noise.
- Then size from it — once the stopA pre-set exit that caps your loss if a trade goes wrong. distance is set by the chart, choose your quantity so that distance equals your fixed risk budgetA plan for how you’ll spend and save your income. (next module). Never the reverse.
- Never widen a stopA pre-set exit that caps your loss if a trade goes wrong. — moving a stopA pre-set exit that caps your loss if a trade goes wrong. further away to “give it room” mid-trade is just refusing to accept you were wrong; it turns small planned losses into large ones.
Common mistakeSetting the stopA pre-set exit that caps your loss if a trade goes wrong. based on a rupee amount you’re comfortable losing, ignoring the chart. A too-tight stopA pre-set exit that caps your loss if a trade goes wrong. inside normal volatilityThe size of price swings — not their direction. guarantees death by a thousand whipsaws — you’re repeatedly stopped out of valid trades by random noise, then watch them work without you.
ExampleYou buy a breakoutWhen price decisively pushes through a support or resistance level. at ₹100; the move is invalidated if price falls back below the ₹95 base. The logical stopA pre-set exit that caps your loss if a trade goes wrong. is ~₹94 (just beyond invalidation, clearing noise). If ₹6 of risk is too much for your account, you reduce position size — you do NOT move the stopA pre-set exit that caps your loss if a trade goes wrong. to ₹98 inside the noise.
Key takeawayPlace the stopA pre-set exit that caps your loss if a trade goes wrong. where your trade idea is proven wrong (a logical chart level, clearing normal volatilityThe size of price swings — not their direction.), then size the position so that loss is affordable — not the reverse. Never widen a stopA pre-set exit that caps your loss if a trade goes wrong. to avoid being wrong.
FAQs
What if the logical stop is too far away for my risk?
Then reduce your *position size*, not your stop. A wider logical stop simply means you buy fewer shares so the rupee risk stays within your limit. This keeps the stop at a sensible chart level while controlling your loss — the core link covered in the position-sizing lesson.