Multiple Y-Axes

Mix.install([
  {:plotly_ex, "~> 0.3"},
  {:kino, "~> 0.18"}
])

Section

Three y-axes: narrow the x-axis domain to leave room for the extra axis on the right. yaxis3.position is a 0.0–1.0 fraction of the plot width where the axis line appears.

alias Plotly.{Figure, Scatter}

x = [1, 2, 3, 4, 5]

Figure.new()
|> Figure.add_trace(Scatter.new(x: x, y: [10, 15, 13, 17, 12], name: "Price", mode: "lines"))
|> Figure.add_trace(
  Scatter.new(x: x, y: [1000, 1200, 900, 1400, 1100], name: "Volume", mode: "lines", yaxis: "y2")
)
|> Figure.add_trace(
  Scatter.new(x: x, y: [22, 19, 25, 18, 23], name: "Temp (°C)", mode: "lines", yaxis: "y3")
)
|> Figure.update_layout(
  title: "Multiple Y-Axes",
  xaxis: %{domain: [0.0, 0.8]},
  yaxis: %{title: %{text: "Price"}},
  yaxis2: %{
    title: %{text: "Volume"},
    overlaying: "y",
    side: "right"
  },
  yaxis3: %{
    title: %{text: "Temperature (°C)"},
    overlaying: "y",
    side: "right",
    position: 0.9
  }
)
|> Plotly.show()