Code for medium correlation article.

correlation.py

import pandas as pd

stocks = []
f = open("symbols.txt", "r")
for line in f:
    stocks.append(line.strip())

f.close()

volumes = pd.read_csv("volume.csv")
prices = pd.read_csv("adjclose.csv")
results = {}

for stock in stocks:
    corr = volumes[stock].corr(prices[stock])
    results[stock] = corr

output = pd.DataFrame(list(results.items()), columns=['Symbol', 'Correlation'])
output = output.sort_values(by=['Correlation'])
print(output.to_string())