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  Comparing Bull/Bear ETF Returns: Reusable Spreadsheets for Excel & Google Sheets Google Sheets and Microsoft Excel both offer powerful built-in functions for retrieving historical ticker prices.  These tools empower you to evaluate price trends and backtest trading strategies.  This post provides ready-to-use spreadsheet templates designed to automate market data downloads and compute returns.  Within this prior blog post , you can find an introductory comparison of the Google Sheets and Microsoft for downloading historical ticker prices. By analyzing pairs of Bull and Bear ETFs, you can verify data quality and confirm if performance aligns with your expectations.  For example, Bull ETFs generally appreciate while Bear ETFs normally decline over time – especially longer-run timeframes.  Even if market conditions cause Bull ETFs to decline, it is reasonable to expect Bear ETFs to decline more over an evaluation timeframe.  Additionally, ticker pr...
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  An Introduction to Retrieving Historical Security Prices with GOOGLEFINANCE and STOCKHISTORY Historical price data plays a central role in security trading analytics. Most trading and analytical models rely on past prices to generate signals about when to buy or sell. With historical prices available, analyst can backtest strategies, evaluate return patterns, and measure volatility across different timeframes. Whether you are calculating exponential moving averages with different period lengths, comparing moving averages to daily or weekly closes, generating MACD lines and histograms, or computing Relative Strength indicators, historical prices are the underlying data source. Historical data across different asset classes and time horizons also helps reveal broader market behavior. Long ‑ term price series allow analysts to estimate growth rates for various asset categories, while cross ‑ asset comparisons can highlight regime shifts and test how well strategies hold up under cha...
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