ccxt vs OHLCV Data

ccxt (CryptoCurrency eXchange Trading Library) is a Python library providing a unified interface to over 100 cryptocurrency exchanges, enabling trading bots to fetch data and place orders through standardised code.

OHLCV data is the standard five-value candle format — Open, High, Low, Close, and Volume — representing all price and trading activity information for a given period in a single structured record.