> ## Documentation Index
> Fetch the complete documentation index at: https://docs.anlytic.com/llms.txt
> Use this file to discover all available pages before exploring further.

# CumulativeMax

Calculates the cumulative maximum value from the first row up to the current row within a partition.

**Category:** `window`

**Syntax:**

```
CumulativeMax([column])
```

**Returns:** `Same as input type`

**Context Filtering:** ✓ Yes

## Parameters

| Name     | Type     | Required | Description                                            |
| -------- | -------- | -------- | ------------------------------------------------------ |
| `column` | `column` | ✓ Yes    | The numeric column to calculate cumulative maximum for |

**Allowed Column Types for `column`:** INT, FLOAT, DECIMAL, NUMBER

## Validation

* Minimum parameters: 1
* Maximum parameters: 1

## Examples

```
CumulativeMax([Sales])
```

Returns the highest sales value seen from the first row to the current row.

```
CumulativeMax([Temperature])
```

Tracks the peak temperature observed up to each point in time.

## Related Functions

* [CumulativeMin](cumulativemin) - Calculates cumulative minimum
* [MovingMax](movingmax) - Calculates moving maximum with a window
* [Max](../aggregate/max) - Returns the overall maximum