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How does the performance of the U.S. stock market compare to that of the aggregated stock markets in the rest of the world over the ...

Below is a weekly summary of our research findings for 5/18/26 through 5/22/26. These summaries give you a quick snapshot of our content the past ...

Is systematically selling covered call options on equity indexes, as implemented by exchange-traded funds (ETF), attractive? To investigate, we consider five equity covered call ETFs:

Does the informativeness of markets come from wisdom of the crowd or the wisdom of a few? If a few, who are they? In their ...

One concern about simple momentum strategies is data snooping bias impounded in selection of the lookback interval(s) used to measure asset momentum. To circumvent this ...

S&P 500 Index shows little anomalous behavior around Memorial Day, with daily returns averaging near the 0.036% baseline across the M-3 to M+3 window (1950-2024; 75 observations; event study methodology).

How do exchange-traded-funds (ETF) that employ artificial intelligence (AI) to pick assets perform? To investigate, we consider ten such ETFs, eight of which are currently ...

Below is a weekly summary of our research findings for 5/11/26 through 5/15/26. These summaries give you a quick snapshot of our content the past ...

"Sell in May" stocks underperformed November-April stocks (CAGR not specified vs buy-and-hold benchmark; Apr 1871-Apr 2021; seasonal timing with 1% trading costs; S&P Composite Index with Shiller dataset).

Are prediction markets better at forecasting firm earnings than professional analysts? In their April 2026 paper entitled "Beating the Earnings Game: Why Do Prediction Markets ...