Polish złoty vs. Czech koruna

npx dukascopy-node -i plnczk -from 2025-03-19 -to 2025-03-20 -t m1 -f csv

const { getHistoricalRates } = require("dukascopy-node");
 
(async () => {
  const historicalRates = await getHistoricalRates({
    instrument: "plnczk",
    dates: {
      from: new Date("2025-03-19"),
      to: new Date("2025-03-20"),
    },
    timeframe: "m1",
  });
  console.log(historicalRates);
})();