Appendix A — The yfinance Pacakge

Fetching data from Yahoo Finance:

import yfinance as yf

symbol = "NVDA"
df = yf.download(symbol, start="2014-01-01", end="2024-01-31")
df.head()

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Price	Adj Close	Close	High	Low	Open	Volume
Ticker	NVDA	NVDA	NVDA	NVDA	NVDA	NVDA
Date
2014-01-02	0.373992	0.39650	0.3995	0.39300	0.39800	260092000
2014-01-03	0.369512	0.39175	0.3980	0.39050	0.39725	259332000
2014-01-06	0.374464	0.39700	0.4000	0.39200	0.39575	409492000
2014-01-07	0.380595	0.40350	0.4050	0.39825	0.40100	333288000
2014-01-08	0.385782	0.40900	0.4110	0.40350	0.40500	308192000