Below is a weekly summary of our research findings for 9/18/23 through 9/22/23. These summaries give you a quick snapshot of our content the past week so that you can quickly decide what’s relevant to your investing needs. Subscribers: To receive these weekly digests via email, click here to sign up for our mailing list. Asset... Keep... Keep Reading

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A subscriber asked whether aggregate U.S. state tax revenues, as an indicator of economic activity, lead the U.S. stock market. To investigate, we compare behaviors of total quarterly state tax collections and SPDR S&P 500 ETF Trust (SPY). Because these series are not stationary (generally increasing rather than mean reverting), we relate changes in them....... Keep Reading

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A subscriber asked for corroboration of a claim that the “Best Companies To Work For” (BCTWF) substantially beat the overall stock market. To investigate, we: Compile the employee survey-based top 10 BCTWF winners for 2014 through 2022 (nine years, so 90 companies). Optimistically assume winner lists are available by the end of March each... Keep... Keep Reading

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Below is a weekly summary of our research findings for 9/11/23 through 9/15/23. These summaries give you a quick snapshot of our content the past week so that you can quickly decide what’s relevant to your investing needs. Subscribers: To receive these weekly digests via email, click here to sign up for our mailing list. Alternative... Keep... Keep Reading

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A subscriber asked how Apple Inc. (AAPL) stock behaves around unveiling of new iPhone models. To investigate, we identify 19 distinct iPhone series release dates from 6/29/07 through 9/16/22 and calculate average daily cumulative returns for AAPL from 21 trading days before release date (Day 0) through 63 trading days after release date. Two pairs...... Keep Reading

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Are concentrated stock portfolios inherently disadvantaged by lack of diversification? In his June 2023 paper entitled “Underperformance of Concentrated Stock Positions”, Antti Petajisto analyzes rolling future returns for individual U.S. stocks relative to the broad U.S. stock market (market-adjusted) as a way to assess implications of concentrated stock portfolios. He focuses on median return as...... Keep Reading

The post Median Long-term Returns of U.S. Stocks and Portfolio Concentration appeared first on CXO Advisory.

...data from the past 41 years indicate little or no contemporaneous relationship between the equity market and the residential real estate market. There may be a weak, inverse, multi-year relationship between home appreciation and stock returns.

The post Home Prices and the Stock Market appeared first on CXO Advisory.

Are new machine learning portfolio strategies practically better than old stock factor ways? In their August 2023 paper entitled “Predicting Returns with Machine Learning Across Horizons, Firms Size, and Time”, Nusret Cakici, Christian Fieberg, Daniel Metko and Adam Zaremba examine the ability of various machine learning models to predict stock returns for: (1) monthly and...... Keep Reading

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The conventional approach to measuring equity factor returns is via hedge portfolios that are long (short) the equal-weighted or value-weighted extreme highest (lowest) fifth or tenth of stocks sorted by some firm/stock characteristic. Is there a better way? In their August 2023 paper entitled “Power Sorting”, Anastasios Kagkadis, Harald Lohre, Ingmar Nolte, Sandra Nolte and...... Keep Reading

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Below is a weekly summary of our research findings for 9/5/23 through 9/8/23. These summaries give you a quick snapshot of our content the past week so that you can quickly decide what’s relevant to your investing needs. Subscribers: To receive these weekly digests via email, click here to sign up for our mailing list. Overview... Keep... Keep Reading

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Do stock prices confirm that firms with high market power maintain profitability during times of high inflation because they can raise prices, while those with low market power cannot? In their August 2023 paper entitled “Stagflationary Stock Returns and the Role of Market Power”, Benjamin Knox and Yannick Timmer study effects of inflation news on...... Keep Reading

The post Firms that Keep Up with Inflation? appeared first on CXO Advisory.

What is the best way to exploit U.S. federal government tax code allowing capital losses to offset current or future capital gains and up to $3,000 of current regular income? In his August 2023 paper entitled “Tax-Loss Harvesting: A Primer”, Harry Mamaysky discusses many features of tax loss harvesting, selling securities at a loss and...... Keep Reading

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Below is a weekly summary of our research findings for 8/28/23 through 9/1/23. These summaries give you a quick snapshot of our content the past week so that you can quickly decide what’s relevant to your investing needs. Subscribers: To receive these weekly digests via email, click here to sign up for our mailing list. Long-only... Keep... Keep Reading

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Referring to commonly used Relative Strength Index (RSI) oversold parameter settings, but seeking to avoid exiting rebounds too soon, a subscriber asked about performances of the following four rules as applied to SPDR S&P 500 ETF Trust (SPY): Buy when daily RSI 14 falls under 30 and hold for six months. Buy when daily... Keep... Keep Reading

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Should investors trust artificial intelligence (AI) models such as ChatGPT to pick stocks? In their August 2023 paper entitled “ChatGPT-based Investment Portfolio Selection”, Oleksandr Romanko, Akhilesh Narayan and Roy Kwon explore use of ChatGPT to recommend 15, 30 or 45 S&P 500 stocks, with portfolio weights, based on textual sentiment as available to Chat GPT...... Keep Reading

The post Blending AI Stock Picking and Conventional Portfolio Optimization appeared first on CXO Advisory.

Is dispersion of stock return forecasts from different machine learning models trained on the same history (as a proxy for variation in human beliefs) a useful predictor of stock returns? In their August 2023 paper entitled “Machine Forecast Disagreement”, Turan Bali, Bryan Kelly, Mathis Moerke and Jamil  Rahman relate dispersion in 100 monthly stock return...... Keep Reading

The post Machine Stock Return Forecast Disagreement and Future Return appeared first on CXO Advisory.

What is the right balance between seeking alpha and avoiding taxes? In their August 2023 paper entitled “Alpha Now, Taxes Later: Tax-Efficient Long-Only Factor Investing”, Yin Chen and Roni Israelov assess trade-offs between rebalancing benefits and tax avoidance from overlapping 10-year backtests of long-only momentum, value, quality and safety factor stock portfolios. They measure momentum...... Keep Reading

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Below is a weekly summary of our research findings for 8/21/23 through 8/25/23. These summaries give you a quick snapshot of our content the past week so that you can quickly decide what’s relevant to your investing needs. Subscribers: To receive these weekly digests via email, click here to sign up for our mailing list. Use... Keep... Keep Reading

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Alternative assets (private equity, private market real estate, hedge funds and other assets apart from stocks and bonds) constitute approximately 30% of U.S. public pension fund portfolios and 60% of large U.S. endowment portfolios. Are they beneficial? In his August 2023 paper entitled “Have Alternative Investments Helped or Hurt?”, Richard Ennis examines impacts of alternative...... Keep Reading

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While prior research indicates that analyst forecasts of future stock returns are substantially biased upward, might the relative rankings of return forecasts be informative? In their June 2023 paper entitled “Analysts Are Good at Ranking Stocks”, Adam Farago, Erik Hjalmarsson and Ming Zeng apply within-analyst 12-month stock price targets to rank stocks in two ways: ...... Keep Reading

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