To customize the tooltip on your graph you can use[hovertemplate](https://plot.ly/python/reference/#pie-hovertemplate), which is a template string used for rendering the information that appear on hoverbox.

This template string can include`variables` in %{variable} format,`numbers` in[d3-format's syntax](https://github.com/d3/d3-3.x-api-reference/blob/master/Formatting.md#d3_forma), and`date` in[d3-time-fomrat's syntax](https://github.com/d3/d3-3.x-api-reference/blob/master/Time-Formatting.md#format).

Hovertemplate customize the tooltip text vs.[texttemplate](https://plot.ly/python/reference/#pie-texttemplate) which customizes the text that appears on your chart.

Hovertemplate customize the tooltip text vs.[texttemplate](https://plot.ly/python/reference/#pie-texttemplate) which customizes the text that appears on your chart. <br>

Set the horizontal alignment of the text within tooltip with[hoverlabel.align](https://plot.ly/python/reference/#layout-hoverlabel-align).

import plotly.graph_objectsas go

hovertemplate='Price: %{y:$.2f}<extra></extra>',

showlegend=False))

fig.update_layout(title="Set hover text with hovertemplate")

fig.update_layout(

hoverlabel_align='right',

title="Set hover text with hovertemplate")

fig.show()