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

# activeAssetCtx

> Asset context (mark, oracle, funding, OI) for one coin

Subscribe with `{"method":"subscribe","subscription":{"type":"activeAssetCtx","coin":"BTC"}}` (`coin` required). Acknowledgement uses **`subscriptionResponse`** and the current context is sent immediately; updates use **`ActiveAssetCtxUpdate`** (`{coin, ctx}`).