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

# Altcoin ATM hourly

# Definition

This endpoint returns the "At-The-Money" volatility profile for a specified altcoin pair. The payload will include various daysToExpiraton so users can see the term-structure.

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# Details

The endpoint has hourly granularity. Amberdata uses a proprietary model to determined the "modelATM", the model uses various realized volatility weightings and dynamically adjusts the weightings to incorporate term-structure "Contango" and "Backwardation" dynamics.
This "modelATM" is meant to represent theoretical implied volatility.

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# API Endpoints

[/Altcoin ATM hourly](/http/analytics/derivatives/altcoin-atm-hourly)

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# Availability

| Exchange      | Start Date (YYYY-MM-DD) | Granularity |
| ------------- | ----------------------- | ----------- |
| All Exchanges | 2023-06-01              | Hourly      |

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