Последовательность символа маркера зарегистрировать
fig = px.scatter(df, x='Date', y='Metric1',
color = 'Color', hover_data = ["Color", "Marker"],
symbol = df['Marker'],
symbol_sequence= ['circle-open', 'circle', 'circle-open-dot', 'square'],
color_discrete_sequence = ['blue', 'orange', 'green', 'brown'])
Attractive Alpaca