All-Time-High prices are available via a simple syntax:
This will return the all time high price for the
BTC/USD market as an aggregated VWAP.
Note: Calls to ATH data fall into the Historical Data quota of 25 call per day per user.
Exchange Specific ATH prices
You can prefix an exchange name, to return ATH prices from a given exchange, and not the market average. 196 exchanges are supported, you can find the list here, along with their supported pairs.
Example getting Kraken ATH price for its
Returns the date when the asset price was at its All-Time-High:
Percent Down from ATH
Returns the percentage down from the asset All-Time-High price, or
0 when the current price is the ATH.
In addition to the price you can pull the ATH volume on any day for any market on any exchange:
As aggregated VWAP:
From a specific exchange, here Binance: