Is the behavior of the U.S. stock market around exchange holidays consistent enough to generate an aggregate pattern? To investigate, we look at daily S&P 500 Index returns from three trading days before a holiday through three trading days after for the following holidays (adding the Super Bowl) as available since 1950:
Stock Market Returns Around Labor DayFreeS&P 500 shows modest strength one day before Labor Day but recent data undermines the pattern, with noise dominating any signal (1950-2024; daily returns;…
Stock Returns Around Memorial DayFreeS&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…
Stock Returns Around EasterFreeDoes the seasonal shift marked by the Easter holiday, with the U.S. stock market closed on the preceding Good Friday, produce anomalous returns? To…
Stock Market and the Super BowlFreeS&P 500 averaged +0.51% the week after the Super Bowl versus 0.02% the week before (1967–2025; 59 events; weekly returns; descriptive, not a trading…
Stock Returns Around New Year’s DayFreeS&P 500 shows abnormal strength from one week before through two days after New Year's Day, followed by a fade, though noise generally dominates…