# Trading Stats

## Stats Module

The Stats Module tracks user maker and taker volumes over a period of time (aka look-back window). This is currently set to 30 days. The maker and taker volume info is used to place users in corresponding fee-tiers.

| Title                                                                                                                                      | Value                                    | Definition                                             |
| ------------------------------------------------------------------------------------------------------------------------------------------ | ---------------------------------------- | ------------------------------------------------------ |
| [window\_duration](https://github.com/dydxopsdao/networks/blob/fd7ee6e63e7e4b3ffab4fe600ac7cdb77c28d88d/dydx-mainnet-1/genesis.json#L3794) | <p>2592000s</p><p><br></p><p>30 days</p> | The desired number of seconds in the look-back window. |


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```
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```

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The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.