← All legends
William O'Neil
The Institutional Edge
CANSLIM — Fundamental + Technical Leadership
22%
historical hit rate
Founder of Investor's Business Daily. O'Neil's CANSLIM system identifies institutional-quality growth stocks at the precise moment institutions are accumulating. Every letter represents a proven fundamental or technical characteristic shared by the greatest winning stocks before their big moves.
“The whole secret to winning in the stock market is to lose the least amount possible when you're not right.”
Key Rules
- C: Current quarterly EPS up 25%+ vs year ago
- A: Annual EPS growth 25%+ for 3 consecutive years
- N: New product, service, or management + New highs
- S: Supply — small/mid float with institutional demand
- L: Leader — RS Rating 80+ in top-performing industry
- I: Institutional sponsorship increasing each quarter
- M: Market in confirmed uptrend — follow the general market
Signature Patterns
Cup & Handle
Flat Base
Pocket Pivot
High Tight Flag
Legend AI implements William O'Neil's published methodology for educational pattern detection. Not affiliated with or endorsed by William O'Neil. Not investment advice. Full disclaimer →