# Lot Size Scaling Based on Equity

This feature allows the EA to **gradually adjust trade size as your account equity grows**.\
Instead of using the same lot size all the time, the EA can slowly increase position size when equity reaches certain levels.

Depending on how it is configured, the change in trade size can be **very small and slow**, or **faster and more noticeable**.

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#### What This Feature Does

The EA watches your current account equity.\
When equity increases by a defined amount, the EA adds a small increase to the lot size of new trades.

The increase happens in **steps**, not continuously.

If the feature is disabled, the EA uses its normal lot sizing behavior.
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#### Simple Example

Imagine your account equity is 10,000.

You define:

* An equity step of 10,000
* A lot increase of 0.01

Behavior:

* At 10,000 equity, trades use the normal lot size
* At 20,000 equity, lot size increases by 0.01
* At 30,000 equity, lot size increases by another 0.01

In this case, the increase is **very slow and conservative**, even though scaling is enabled.

If the equity step were smaller, the lot size would grow faster.
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#### How This Affects Profits and Losses

As lot size increases:

* Profits can become larger during good periods
* Losses can also become larger during bad periods

However, the speed of this change **depends entirely on the settings**.\
With large equity steps and small lot increases, the effect can be minimal and slow.
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#### Why Someone Might Use This

This feature can be useful if you want:

* Trade size to grow naturally with account growth
* Small, controlled scaling instead of manual adjustments
* Long-term growth with gradual exposure changes
* Very slow compounding on larger accounts

It allows flexibility between conservative and aggressive behavior.
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#### Why Someone Should Be Careful

Even with slow scaling, this feature:

* Increases maximum exposure over time
* Makes drawdowns larger at higher equity levels
* Can increase recovery complexity

Lot size does not instantly decrease when equity drops, which can increase pressure during unfavorable periods.
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#### When NOT to Use This

This feature may not be suitable if:

* You are new to automated trading
* You want strictly stable lot sizes
* You already use aggressive risk or recovery settings
* You are still evaluating the EA performance
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#### Recommended Usage Guidance

* Keep this feature disabled while learning the EA
* If enabled, use large equity steps and small lot increases
* Always test behavior on a demo account
* Combine with hard stops and daily loss limits
  {% endhint %}

Lot Size Scaling Based on Equity allows trade size to increase gradually as equity grows.\
The effect can be slow and conservative or faster and aggressive depending on the configuration.

Used carefully, it provides controlled scaling.\
Used carelessly, it can increase drawdown and risk.

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[Equity step in account currency](/smartchoise-manual/options/lot-size-scaling-based-on-equity/equity-step-in-account-currency.md)
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