# January 2025

## [January 16, 2025] The futures contract financial record has added an enumeration for the futureTaxType parameter.

**Endpoints:** :/api/v2/tax/future-record<br/>
Additional content:
- Add the enumeration type and description for the return value parameter `futureTaxType`

## [January 15, 2025] Bitget to adjust the calculation of USDC-M perpetual futures index price from USD to USDC

Key adjustments
- Index price and mark price: The index price and mark price of USDC-M perpetual futures will now be denominated in USDC.
- Order book prices: Order book prices for USDC-M perpetual futures will also be denominated in USDC.

For more details, please refer to: https://www.bitget.com/support/articles/12560603820643