A candlestick is built up of four data details: the Open, High, Minimal, and Close (also referred to as the OHLC values). The Open and shut are the primary and previous recorded price for the given timeframe, while the Low and High are the bottom and highest recorded price, https://financefeeds.com/nabatech-selects-polkadots-substrate-blockchain-for-central-bank-digital-asset-platform/