Stock Data

import yfinance as yf

🧰 1. yfinance – Yahoo Finance API Wrapper

Fetch historical market data, live prices, and financials.

📦 Install

pip install yfinance

🧪 Example

import yfinance as yf

ticker = yf.Ticker("AAPL")
data = ticker.history(start="2022-01-01", end="2023-01-01")
print(data[['Open', 'Close']].head())

✅ You Get:

• Historical prices
• Live market data
• Dividend and split history
• Financials and balance sheets

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import yfinance as yf

ticker = yf.Ticker("AAPL")
data = ticker.history(start="2022-01-01", end="2023-01-01")
print(data[['Open', 'Close']].head())

                                 Open       Close
Date                                             
2022-01-03 00:00:00-05:00  174.771775  178.879883
2022-01-04 00:00:00-05:00  179.489269  176.609650
2022-01-05 00:00:00-05:00  176.521166  171.911819
2022-01-06 00:00:00-05:00  169.730012  169.042053
2022-01-07 00:00:00-05:00  169.916741  169.209122

🧰 2. pandas_datareader – Interface to Many Financial Sources

Access data from Yahoo, Alpha Vantage, FRED, IEX Cloud, and more.

📦 Install

pip install pandas_datareader

🧪 Example

import pandas_datareader.data as web
import datetime

start = datetime.datetime(2022, 1, 1)
end = datetime.datetime(2023, 1, 1)

df = web.DataReader("AAPL", "yahoo", start, end)
print(df.head())

✅ You Get:

• Price data from multiple sources
• Economic indicators from FRED
• World Bank, OECD, etc.

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🧰 3. alpha_vantage – Real-Time Stock & Crypto Data

Requires a free API key.

📦 Install

pip install alpha_vantage

🧪 Example

from alpha_vantage.timeseries import TimeSeries

ts = TimeSeries(key='YOUR_API_KEY', output_format='pandas')
data, meta = ts.get_daily(symbol='MSFT', outputsize='compact')
print(data.head())

✅ You Get:

• Time series (daily, intraday)
• Technical indicators
• Forex, crypto, and ETF support

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🧰 4. investpy (Discontinued → Use Forks)

Used for international stocks, ETFs, indices. Forks like investpy-reborn may work.

📦 Install

pip install investpy-reborn

🧪 Example

import investpy

df = investpy.get_stock_historical_data(stock='AAPL',
                                        country='united states',
                                        from_date='01/01/2022',
                                        to_date='01/01/2023')
print(df.head())

✅ You Get:

• Global markets
• Historical and real-time data
• ETF, fund, and commodity prices

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🧰 5. yahoo_fin – Financials, Options, and News

More detailed financials and news than yfinance.

📦 Install

pip install yahoo_fin

🧪 Example

from yahoo_fin import stock_info as si

price = si.get_live_price("AAPL")
print(f"Apple Live Price: {price}")

financials = si.get_income_statement("AAPL")
print(financials)

✅ You Get:

• Live price, historical data
• Balance sheet, income statements
• Earnings calendar & news

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🧰 6. finnhub-python – Real-Time Stock & News API

Requires free API key.

📦 Install

pip install finnhub-python

🧪 Example

import finnhub

client = finnhub.Client(api_key="YOUR_API_KEY")
quote = client.quote("AAPL")
print(quote)

✅ You Get:

• Real-time quotes
• News and earnings
• Social sentiment (Reddit, Twitter)

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📈 7. ccxt – Crypto Exchange Data

If you’re also into crypto, this is a must.

📦 Install

pip install ccxt

🧪 Example

import ccxt

exchange = ccxt.binance()
ticker = exchange.fetch_ticker('BTC/USDT')
print(ticker['last'])

✅ You Get:

• Live crypto prices
• Order books
• Exchange-specific APIs

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🧠 Comparison Table

Library	Source(s)	Data Types	Requires API Key?
yfinance	Yahoo Finance	Historical prices, financials	❌ No
pandas_datareader	Yahoo, FRED, IEX	Stocks, macro data	⚠️ Some sources
alpha_vantage	Alpha Vantage	Time series, indicators	✅ Yes
investpy	Investing.com	Global stocks, ETFs	❌ No
yahoo_fin	Yahoo Finance	Financials, earnings, options	❌ No
finnhub	Finnhub.io	Real-time data, news, sentiment	✅ Yes
ccxt	Crypto exchanges	Live crypto, orders	⚠️ Varies

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