Scaling In and Out
Scaling in is building a position in several planned stages; scaling out is closing it in stages, for example taking partial profit at a first target and leaving a “runner” for a bigger move.
You do not have to enter or exit a trade all at once. Scaling in builds a position in planned pieces; scaling out takes profits in pieces. Done with rules, both can improve entries and smooth results. Done without rules, scaling in turns into averaging down on losers and scaling out turns into cutting every winner short. This entry explains the methods, the trade-offs, and how to keep risk under control.
- Category
- Risk Management
- Reading time
- 4 min
- Also called
- Scale in, Scale out, Partial take profit
- Updated
Scaling in and out in plain words
Scaling in: buy part of your planned size now and add more only if the trade confirms. Scaling out: sell part at a first target, then let the rest run with a protective stop. See Take Profit.
The remaining piece after a partial exit is often called a runner. Its stop is usually moved to break-even or trailed. See Break-Even and Trailing Stop.
How to scale with rules, step by step
Plan total size first
Total risk across all pieces must fit your risk per trade. See Position Sizing.
Define add points
Add only on confirmation, such as a breakout or a new higher low.
Move the stop as you add
Combined risk should not exceed the original plan.
Define partial targets
For example half at 1R or 2R. See R-Multiple.
Manage the runner
Trail the stop or exit on a trend signal.
Track results
Compare with all-in, all-out on the same trades. See Trading Journal.
Worked examples
Example 1 — Scaling out
Scaled outLong 200 shares at $50, stop $48 (risk $400). Sell 100 at $54 (2R), trail the rest; it exits at $57.
| First half | 100 × $4 = $400 |
| Runner | 100 × $7 = $700 |
| Total | $1,100 (2.75R) |
Partial profits lock in gains while the runner captures more of the trend.
Example 2 — Scaling in on confirmation
AddedBuy 100 at $30 (stop $29). Price breaks $32; add 100 and raise the stop on both to $30.50.
| Risk after adding | Lower than the initial plan |
Adding to winners with tighter combined risk is pyramiding. See Pyramiding.
Example 3 — Averaging down is not scaling in
DangerA trader buys at $40, adds at $36, $32 and $28, without a stop.
| Position size | 4× the original |
| Risk | Uncapped |
Adding to losers without a plan multiplies risk.
Scaling methods
| Aspect | How | Main risk |
|---|---|---|
| Scale in on strength | Add as the trade confirms | Higher average price |
| Scale in on weakness | Add at planned lower levels within total risk | Turning into averaging down |
| Scale out at targets | Partial exits at set levels | Cutting big winners short |
| All-in, all-out | One entry, one exit | Bigger swings in results |
When scaling helps
Trend trades
Runners capture extended moves. See Trend Following.
Uncertain entries
Starting small and adding on confirmation.
Psychology
Banking part of a gain can make it easier to hold the rest.
Liquidity
Large positions often need to be built in pieces. See Liquidity.
Advantages and disadvantages
Advantages
- Can improve average entry or exit prices.
- Locks in partial profits.
- Lets winners run with reduced risk.
Disadvantages
- More orders and costs.
- Can reduce the payoff from big winners.
- Easy to drift into averaging down.
- Harder to track and evaluate.
Going deeper
Read as far as you need. Each level builds on the one before it.
Total risk stays fixed
Beginner
However many pieces you use, the combined loss if all stops are hit must not exceed your planned risk.1
Effect on expectancy
Intermediate
Scaling out raises win rate but often lowers average win.2 Whether it helps depends on how often trades reach far targets. Test it. See Expectancy.
Execution for large orders
Advanced
Institutions split orders over time to reduce market impact. The same idea applies to traders in thin markets. See Slippage.
Common mistakes
Adding to losers without a plan
That is averaging down.
Exceeding planned risk
Recalculate total risk after every add.
Taking partials too early
Tiny first targets cut expectancy.
No rule for the runner
Define how the rest will exit.
Check your understanding
Test yourself before moving on. Each answer comes with an explanation.
Key points to remember
- Scaling in builds a position in planned stages.
- Scaling out takes profits in stages.
- Total risk across all pieces must stay within plan.
- Runners capture extended moves.
- Averaging down without rules is not scaling in.
Frequently asked questions
Is scaling out better than one exit?
How many pieces should I use?
Should I scale into losing trades?
Further learning
- Trade Management
Managing positions after entry.
- Take Profit
Setting profit targets.
- Trailing Stop
Managing the runner.
- Expectancy
Checking whether scaling helps.
Sources
This article is written in our own words. The sources below support the specific facts, rules and figures marked with a number in the text. Links open the original publisher’s page.
- CME Group. Proper Position Size (opens in a new tab) Checked .
- CME Group. Misconceptions of Taking Losses (opens in a new tab) Checked .
Educational content, not financial advice. Examples use hypothetical prices and simplified costs; actual fees, margin rules and regulations vary by broker, market and country. We are not affiliated with any publisher linked above. Last reviewed . Report an error or request a source credit.