Quantum BiasSectionsConcepts Tested
Concepts Tested
Popular trading ideas, tested on real data.
Buy the Dip After a Market Crash? What 81 Big Nasdaq Drops Show
Buy the dip after a market crash? We tested every Nasdaq-100 week down 5% or more since 1999: a short bounce, no lasting edge, and no bounce in downtrends.
Buying Stocks at a 52-Week High: Is It Really Dangerous?
Buying at a record feels risky. After 335 weekly closes at a 52-week high, the S&P 500 rose over the next quarter 71% of the time, about the same as any week. What research and our data show.
Stock Market Prediction: Does January Predict the Whole Year?
Can January predict the stock market? Since 2000, January matched the rest of the S&P 500's year 15 times out of 26, worse than simply expecting a rise.
Trading Signals vs Quantitative Research: Are Signals Worth It?
Quantitative research measures how markets behaved; signals tell you what to do. Learn the difference and 6 questions to ask any research provider.
Sell in May and Go Away: Does It Work on the Nasdaq-100?
The Halloween effect was found in 36 of 37 markets. We tested it on the Nasdaq-100 from 2000 to 2026: summer months beat winter months.