wikipedia attention spike
Mechanism
Da, Engelberg, Gao (2011, J. Finance) "In Search of Attention" established that abnormal retail attention predicts a 2-week price run-up followed by a year-out reversal. Pyun (2024, SSRN 5172055) extends the work to Wikipedia pageviews and shows the Wiki signal dominates Google Trends in OOS tests — no rate limit, no normalisation-window confound, cleaner page identity per…
Signal rule
• pageview log-ratio = log(views / median(views_trailing_90d)). • LONG short-horizon (2-week hold) when log-ratio > +σ_thresh. • SHORT 6-month hold on "attention spike + no earnings event in ±5d"
Data dependencies
daily_pricesAdjusted-close OHLCV for every US-listed ticker; primary price feed.
wikipedia_pageviewsWikimedia daily pageview counts joined to ticker pages.
Expected edge
See referenced paper for original effect size; modern out-of-sample replication may be weaker.
Illustrative pattern only
NOT a backtestIllustrative pattern only — see /app for live backtests and the actual current equity curve.
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