Matplotlib currency label formatting guide

matplotlib-dollar-ticks.py

# Licensed under the MIT License. See comment below for full licence information.

import pandas as pd
import matplotlib.pyplot as plt
from matplotlib import ticker

df = pd.read_csv("bitcoin-historical-price.csv")[["Date","Value"]]
df["Date"] = pd.to_datetime(df.Date)
plt.style.use("fivethirtyeight")



fig, ax = plt.subplots()
ax.semilogy(df.Date, df.Value)
ax.yaxis.set_minor_locator(ticker.LogLocator(subs='auto')) 
ax.yaxis.set_major_formatter("${x:,.1f}")
ax.yaxis.set_minor_formatter("${x:,.1f}")

plt.show()

Copyright 2021 Chad Thackray

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