# Market Data

Provides an endpoint for accessing market data and analytics, including indices and metrics that track token and altcoin performance relative to the broader market.

## Get Altcoin Index

 - [GET /marketdata/altcoin_index](https://docs.intel.arkm.com/openapi/market-data/getaltcoinindex.md): Retrieves the altcoin index calculated by comparing the percentage change of top altcoins to Bitcoin's percentage change over the last 90 days.
The index represents the count of altcoins outperforming Bitcoin.