# Order details

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**Order Size (IN order size)** sets the size of each IN order in the base coin / USDT.&#x20;

[Order Size](https://www.youtube.com/watch?v=-UU62nOlyWM)

**Max Order Size (maximum order size)** limits the maximum IN order size after applying the multiplier.&#x20;

[Max. Order Size](https://www.youtube.com/watch?v=HlGLT9v3ekY)

**Ratio (multiplier)** is a factor that increases the size of each next IN order by a fixed multiplier.&#x20;

[Ratio](https://www.youtube.com/watch?v=5WXeWxcgQ3c)

#### How the Ratio (Multiplier) works — example

* Order Size: 0.1 BTC
* Ratio: 1.5
* Max Order Size: 0.3 BTC

Sequence of orders opened at each Grid Step:

1. First order: 0.1 BTC
2. Second order: 0.1 BTC × 1.5 = 0.15 BTC
3. Third order: 0.15 BTC × 1.5 = 0.225 BTC
4. Fourth order: 0.225 BTC × 1.5 = 0.3375 BTC → capped to 0.3 BTC (because Max Order Size = 0.3 BTC)

#### Example after closing orders with P\&L trailing

For example, the 0.225 BTC and 0.3 BTC orders were closed.

The next order will be 0.225 BTC (the order size right before the closure).

After that, the bot will open a 0.3 BTC order, and all subsequent orders will remain at Max Order Size.

* If all orders are closed, the multiplier resets and the bot starts again from the initial Order Size.
* If orders are partially closed, the bot will open the next order with the same size as the orders that were closed (but not exceeding Max Order Size).

Additional note: when applying the Ratio, orders are opened in increments that are multiples of the system’s minimum order size. If the calculated size is not a valid multiple, the bot will place the nearest valid size that is a multiple of that minimum.

#### Important behavior differences by strategy

* Auto-Grid: the Ratio is applied sequentially across the bot’s overall order sequence (not separately per direction).
* Dynamic (Auto): the Ratio is applied separately for each direction.