Building a Cryptocurrency Exchange Rate Monitor

Building a Cryptocurrency Exchange Rate Monitor Crypto markets run 24/7 and prices can swing 10% in minutes. In this tutorial, we will build a Python-based cryptocurrency exchange rate monitor that tracks prices across exchanges, detects arbitrage opportunities, and sends alerts. Setup pip install requests pandas websocket - client Fetching Prices from CoinGecko CoinGecko offers a generous free API with no key required: import requests import pandas as pd from datetime import datetime def get_crypto_prices ( coins , vs_currency = " usd " ): url = " https://api.coingecko.com/api/v3/simple/price " params = { " ids " : " , " . join ( coins ), " vs_currencies " : vs_currency , " include_24hr_change " : " true " , " include_market_cap " : " true " , " include_24hr_vol " : " true " } response = requests . get ( url , params = params ) data = response . json () results = [] for coin , info in data . items (): results . append ({ " coin " : coin , " price " : info . get ( f " { vs_currency } "