▲ QUANTGPTTHE STRATEGY LIBRARY ▸
// STUDY RESULT · 1990-01 TO 2026-07

Cup-with-Handle Breakout

NO EDGE

Winners consolidate in a rounded 'cup' with a shallow 'handle', then break out on volume - the entry point of the CANSLIM system.

THE STRATEGY$SPX BUY & HOLD
Growth a year (CAGR)1.2%9.0%
Return per unit of risk (Sharpe)0.180.66
Worst fall (max drawdown)-40.3%-52.6%

// GROWTH OF $1, LOG SCALE

AMBER: THE STRATEGY · GREY: $SPX BUY & HOLD

Tested on years it never saw (from the split): 6.4% a year against 12.4% for the benchmark; Sharpe -0.14 in the training years, 0.57 after.

After 25 bps of trading costs: -1.7% a year. EDGE OVER RANDOM

// DECADE BY DECADE

ERASTRATEGYBENCHMARK
1990s0.0%15.5%
2000s-3.8%-2.6%
2010s2.1%11.6%
2020s9.7%14.1%

// THE IDEA, AS PUBLISHED

William O'Neil, 'How to Make Money in Stocks' (1988), base patterns · 1988

RUN IT YOURSELF ▸ IN THE LIBRARY

A real computation on the QuantGPT warehouse, survivorship-free, walk-forward. Gross returns, no costs except where stated. Past performance is not a promise. Findings, not advice. COMPUTED 2026-09-24 20:48 ON THE QUANTGPT WAREHOUSE. COMPANIES THAT LATER DELISTED ARE NOT IN THIS UNIVERSE YET (A FIX IS IN PROGRESS), SO THE RESULT LEANS TOWARD SURVIVORS. FUNDAMENTALS BY FILING DATE. NOT INVESTMENT ADVICE.