import pandas as pd from time import sleep from lightweight_charts import Chart if __name__ == '__main__': df1 = pd.read_csv('ohlc.csv') # Columns: time | price df2 = pd.read_csv('ticks.csv') chart = Chart() chart.set(df1) chart.show() for i, tick in df2.iterrows(): chart.update_from_tick(tick) sleep(0.03)