> For the complete documentation index, see [llms.txt](https://docs.mu.exchange/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mu.exchange/getting-started/trading/funding-rate.md).

# Funding Rate

## Funding Fee (Buy Side)

The Funding Fee (Buy Side) is charged per block based on the position size of the collateral. Traders pay to long when the rate is positive and earn when they long when the rate is negative. It is displayed as an hourly rate.

## Funding Fee (Sell Side)

The Funding Fee (Sell Side) is charged per block based on the position size of the collateral. Traders pay to short when the rate is positive and earn when they short when the rate is negative. It is displayed as an hourly rate.