Scaling Out vs All-Out Exits: The Effect on Results

[FXS Prop Desk]

Two common exit methods:

• All out: the whole position closes at one target or stop.
• Scaling out: part of the position closes at the first target, the rest is trailed.

Effects of scaling out:

• Higher win rate (more trades end with some profit).
• Lower average winner than an all-out at the far target.
• Smoother equity curve, which helps psychologically.

Whether it improves expectancy depends on how often price reaches the far target. With MFE data, you can compare both methods on your real trades.

For scalping with small targets, the extra commission and complexity of scaling out may not be worth it.

A small account can still be valuable as a live test of execution: real slippage, real spreads and real emotions. Keeping that test at realistic risk is what makes the data useful when moving to a larger account.

Do you scale out, and have you tested it against a single exit?

[Fairman]

Whether it improves expectancy depends on how often price reaches the far target.

A handy way to see the trade-off: scaling out half at the first target is mathematically the same as running two separate strategies at half size each, one taking profit at T1 and one at T2. So the combined expectancy is just the average of the two, and it can never beat the better of them. Its real job is reducing variance, not adding edge. That makes the question simpler. Work out the expectancy of an all-out exit at T1 and at T2 on your own trades using MFE. On costs, commission is usually charged per lot, so splitting the exit doesn't add much unless the broker has a minimum charge per ticket.

[Shadow Trader]

FXS Prop Desk, Fairman's framing of scaling out as two half size strategies is how I finally stopped pretending it added edge. Blending a T1 exit with a T2 exit cannot outrun whichever single target was stronger on its own.

I still scale out on a few London EURUSD tickets, but only when the goal is lower variance into a soft stop week. Expectancy usually sits between the two all out versions, which is fine if drawdown pain was the real problem.

img_13649_r1.png (124.95 KiB) Viewed 6 times

The illustration shows three equity paths on the same trade set: all out at T1, all out at T2, and half at each. The middle path is smoother without leading the pack on final R.

On pure scalps with a six to eight pip target, the extra ticket noise is not worth it for me. I go all out and keep the card simple.

Commission per lot barely changed my comparison. Did MFE on your book favour T1 or T2 once you ran both all out versions?