Dot DOT / ETH

What "USD" means here. The pool only quotes DOT in ETH. Each candle is converted at that period's ETH/USD rate, which is exactly the price a DOT/USDT pair would have shown. Nothing is modelled or smoothed. Minutes with no trades are drawn as a flat tick at the last price.

Source: GeckoTerminal OHLCV for the pool, DexScreener for liquidity and 24h figures. Market cap uses the circulating supply implied by DexScreener. Times on the chart are in your local time zone.