Data-Driven Crypto Success: Develop a Cutting-Edge Analysis Tool for Informed Trading Decisions.

The AI Quant
9 min readJul 22, 2023

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This tutorial aims to guide you through the development of a cryptocurrency analysis tool using Python. We will use the yfinance library to retrieve cryptocurrency price data and perform comprehensive analysis, including price trends, volatility, trading volumes and correlations. Additionally, we will incorporate technical indicators and visualizations for in-depth analysis.

By the end of this tutorial, you will have a functional tool that can retrieve cryptocurrency data, analyze it and generate visualizations to gain insights into the market. We will cover various Python concepts, including object-oriented programming, data manipulation and visualization techniques.

Photo by Art Rachen on Unsplash

Table of Contents

  1. Introduction to Cryptocurrency Analysis
  2. Setting Up the Environment
  3. Retrieving Cryptocurrency Data
  4. Analyzing Price Trends
  5. Calculating Volatility
  6. Analyzing Trading Volumes
  7. Calculating Correlations
  8. Incorporating Technical Indicators
  9. Visualizing the Analysis
  10. Conclusion

Introduction to Cryptocurrency Analysis

Cryptocurrencies have gained significant popularity in recent years, with Bitcoin being the most well-known example. As the cryptocurrency market continues to grow, it becomes essential for traders and investors to analyze price movements, identify trends and make informed decisions.

In this tutorial, we will develop a tool that allows us to analyze cryptocurrency data and gain insights into the market. We will focus on Bitcoin, but the tool can be easily extended to analyze other cryptocurrencies as well.

Setting Up the Environment

Before we begin, let’s set up our Python environment and install the necessary libraries. We will be using the yfinance library to retrieve cryptocurrency price data and the pandas, numpy, matplotlib, seaborn and mplfinance libraries for data manipulation and visualization.

To install the required libraries, open your terminal or command prompt and run the following command:

pip install yfinance pandas numpy matplotlib seaborn mplfinance

Once the installation is complete, we can start building our cryptocurrency analysis tool.

Retrieving Cryptocurrency Data

The first step in our analysis is to retrieve cryptocurrency price data. We will be using the yfinance library, which provides a simple interface to download historical market data from Yahoo Finance.

Let’s start by importing the necessary libraries and defining a function to retrieve cryptocurrency data for a given ticker symbol:

import yfinance as yf

def get_cryptocurrency_data(ticker, start_date, end_date):
data = yf.download(ticker, start=start_date, end=end_date)
return data

In the get_cryptocurrency_data function, we use the yf.download function to retrieve the cryptocurrency data for the specified ticker symbol and date range. The function returns a pandas DataFrame containing the Open, High, Low, Close and Volume columns.

Now, let’s retrieve the Bitcoin price data for the past few years:

import pandas as pd

start_date = "2018-01-01"
end_date = "2023-06-30"
btc_data = get_cryptocurrency_data("BTC-USD", start_date, end_date)

We have retrieved the Bitcoin price data from January 1, 2018, to June 30, 2023. The btc_data variable now contains a pandas DataFrame with the Bitcoin price data.

Analyzing Price Trends

One of the fundamental aspects of cryptocurrency analysis is identifying price trends. In this section, we will calculate the daily returns and visualize the price trends using a line plot.

Let’s start by calculating the daily returns:

btc_data["Daily Return"] = btc_data["Close"].pct_change()

We add a new column called “Daily Return” to the btc_data DataFrame, which represents the percentage change in the closing price compared to the previous day.

Next, let’s visualize the price trends using a line plot:

import matplotlib.pyplot as plt

plt.figure(figsize=(12, 6))
plt.plot(btc_data.index, btc_data["Close"])
plt.xlabel("Date")
plt.ylabel("Price (USD)")
plt.title("Bitcoin Price Trends")
plt.grid(True)

plt.show()
Plot 1
Figure 1: Bitcoin Price Trends. Created by Author

In the code above, we create a line plot using the plt.plot function. We specify the x-axis values as the index of the btc_data DataFrame (which represents the dates) and the y-axis values as the "Close" column (which represents the Bitcoin closing prices). We also add labels, a title and a grid to the plot.

The resulting plot shows the price trends of Bitcoin over time. We can observe the fluctuations and identify periods of growth and decline.

Calculating Volatility

Volatility is another important aspect of cryptocurrency analysis. It measures the degree of variation in the price of a cryptocurrency over time. In this section, we will calculate the volatility of Bitcoin and visualize it using a line plot.

Let’s start by calculating the daily volatility:

btc_data["Volatility"] = btc_data["Daily Return"].rolling(window=30).std() * (252 ** 0.5)

We add a new column called “Volatility” to the btc_data DataFrame, which represents the standard deviation of the daily returns over a 30-day window. We multiply it by the square root of 252 to annualize the volatility.

Next, let’s visualize the volatility using a line plot:

plt.figure(figsize=(12, 6))
plt.plot(btc_data.index, btc_data["Volatility"])
plt.xlabel("Date")
plt.ylabel("Volatility")
plt.title("Bitcoin Volatility")
plt.grid(True)

plt.show()
Plot 2
Figure 2: Bitcoin Volatility. Created by Author

The code above creates a line plot of the Bitcoin volatility. We specify the x-axis values as the index of the btc_data DataFrame (which represents the dates) and the y-axis values as the "Volatility" column. We also add labels, a title and a grid to the plot.

The resulting plot shows the volatility of Bitcoin over time. We can observe periods of high and low volatility, which can be useful for understanding market dynamics.

Analyzing Trading Volumes

Trading volume is an essential metric in cryptocurrency analysis. It represents the number of shares or contracts traded in a security or market during a given period. In this section, we will analyze the trading volumes of Bitcoin and visualize them using a bar plot.

Let’s start by calculating the 30-day average trading volume:

btc_data["Volume MA"] = btc_data["Volume"].rolling(window=30).mean()

We add a new column called “Volume MA” to the btc_data DataFrame, which represents the 30-day moving average of the trading volume.

Next, let’s visualize the trading volumes using a bar plot:

plt.figure(figsize=(12, 6))
plt.bar(btc_data.index, btc_data["Volume"], color="blue", alpha=0.3, label="Volume")
plt.plot(btc_data.index, btc_data["Volume MA"], color="red", label="30-day Moving Average")
plt.xlabel("Date")
plt.ylabel("Volume")
plt.title("Bitcoin Trading Volumes")
plt.legend()
plt.grid(True)

plt.show()
Plot 3
Figure 3: Bitcoin Trading Volumes. Created by Author

In the code above, we create a bar plot of the Bitcoin trading volumes using the plt.bar function. We specify the x-axis values as the index of the btc_data DataFrame (which represents the dates) and the y-axis values as the "Volume" column. We also plot the 30-day moving average using the plt.plot function. We add labels, a title, a legend and a grid to the plot.

The resulting plot shows the trading volumes of Bitcoin over time, along with the 30-day moving average. We can observe periods of high and low trading activity, which can provide insights into market sentiment.

Calculating Correlations

Correlations between cryptocurrencies can provide valuable information for portfolio diversification and risk management. In this section, we will calculate the correlations between Bitcoin and other cryptocurrencies and visualize them using a heatmap.

Let’s start by retrieving the price data for other cryptocurrencies:

eth_data = get_cryptocurrency_data("ETH-USD", start_date, end_date)
ltc_data = get_cryptocurrency_data("LTC-USD", start_date, end_date)
xrp_data = get_cryptocurrency_data("XRP-USD", start_date, end_date)

We have retrieved the price data for Ethereum (ETH), Litecoin (LTC) and Ripple (XRP) using the get_cryptocurrency_data function.

Next, let’s calculate the correlations between Bitcoin and the other cryptocurrencies:

correlation_data = pd.concat([btc_data["Close"], eth_data["Close"], ltc_data["Close"], xrp_data["Close"]], axis=1)
correlation_data.columns = ["Bitcoin", "Ethereum", "Litecoin", "Ripple"]
correlation_matrix = correlation_data.pct_change().corr()

We create a new DataFrame called correlation_data by concatenating the closing prices of Bitcoin, Ethereum, Litecoin and Ripple. We calculate the percentage change using the pct_change function and then calculate the correlations using the corr function.

Next, let’s visualize the correlations using a heatmap:

import seaborn as sns

plt.figure(figsize=(10, 8))
sns.heatmap(correlation_matrix, annot=True, cmap="coolwarm")
plt.title("Cryptocurrency Correlations")

plt.show()
Plot 4
Figure 4: Cryptocurrency Correlations. Created by Author

In the code above, we create a heatmap using the sns.heatmap function from the seaborn library. We pass the correlation matrix as the data, set annot=True to display the correlation values and choose the "coolwarm" colormap. We also add a title to the plot.

The resulting heatmap shows the correlations between Bitcoin and the other cryptocurrencies. We can observe the strength and direction of the correlations, which can help in portfolio management decisions.

Incorporating Technical Indicators

Technical indicators are widely used in cryptocurrency analysis to identify potential buy and sell signals. In this section, we will incorporate two popular technical indicators: the Moving Average Convergence Divergence (MACD) and the Relative Strength Index (RSI).

Let’s start by calculating the MACD:

btc_data["MACD Line"] = btc_data["Close"].ewm(span=12).mean() - btc_data["Close"].ewm(span=26).mean()
btc_data["Signal Line"] = btc_data["MACD Line"].ewm(span=9).mean()
btc_data["MACD Histogram"] = btc_data["MACD Line"] - btc_data["Signal Line"]

We add three new columns to the btc_data DataFrame: "MACD Line", "Signal Line" and "MACD Histogram". We calculate the MACD line by subtracting the 26-day exponential moving average (EMA) from the 12-day EMA. We then calculate the signal line by taking the 9-day EMA of the MACD line. Finally, we calculate the MACD histogram by subtracting the signal line from the MACD line.

Next, let’s calculate the RSI:

def calculate_rsi(data, window=14):
delta = data.diff()
up = delta.clip(lower=0)
down = -delta.clip(upper=0)
avg_gain = up.rolling(window).mean()
avg_loss = down.rolling(window).mean()
rs = avg_gain / avg_loss
rsi = 100 - (100 / (1 + rs))
return rsi

btc_data["RSI"] = calculate_rsi(btc_data["Close"])

We define a function called calculate_rsi that takes a pandas Series as input and calculates the RSI using the Wilder's smoothing method. We then apply this function to the "Close" column of the btc_data DataFrame to calculate the RSI.

Visualizing the Analysis

Now that we have performed various analyses and calculated technical indicators, let’s visualize the results. We will use the mplfinance library to create candlestick charts with the MACD and RSI overlays.

import mplfinance as mpf

# Prepare the data for mplfinance
btc_data["Date"] = btc_data.index
btc_data["Date"] = btc_data["Date"].apply(lambda x: x.strftime("%Y-%m-%d"))

# Create the candlestick chart with MACD and RSI overlays
mpf.plot(btc_data, type="candle", style="yahoo", title="Bitcoin Analysis", ylabel="Price (USD)", volume=True, mav=(12, 26), figscale=1.5, )
Plot 5
Figure 5: Bitcoin Analysis. Created by Author

In the code above, we first prepare the data by converting the index to a column of dates and formatting them as strings. We then set the “Date” column as the new index.

Next, we use the mpf.plot function from the mplfinance library to create the candlestick chart. We specify the type as "candle" and the style as "yahoo" to use the Yahoo Finance style. We also add the title, y-axis label and enable the volume plot. Additionally, we specify the moving averages (12-day and 26-day) to be displayed on the chart. Finally, we set the figure scale and save the plot.

The resulting candlestick chart shows the price movements of Bitcoin, along with the MACD and RSI overlays. We can visually analyze the chart to identify potential buy and sell signals based on the technical indicators.

Conclusion

In this awesome tutorial, we dove headfirst into the world of cryptocurrency analysis using Python. It’s been quite a ride! We started off by fetching cryptocurrency price data using the handy yfinance library. Then, we rolled up our sleeves and delved into a wide range of analyses.

We explored the fascinating world of price trends, volatility, trading volumes and correlations. We kicked it up a notch by incorporating technical indicators, which allowed us to dig even deeper and uncover hidden gems of information.

I encourage you to keep exploring. Play around with different time periods, tweak parameters and try out various analysis techniques. It’s all about discovering the secrets of the cryptocurrency market and gaining a profound understanding of its changing landscape

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