Multi Series Line Chart

This example shows how to make a multi series line chart of the daily closing stock prices for AAPL, AMZN, GOOG, IBM, and MSFT between 2000 and 2010.

import altair as alt
from vega_datasets import data

source = data.stocks()

alt.Chart(source).mark_line().encode(
    x='date',
    y='price',
    color='symbol',
    strokeDash='symbol',
)