Canslim Screener
This is a full implementation of William O'Neil's CANSLIM growth stock methodology with all seven components: Current Earnings, Annual Growth, Newness, Supply/Demand, Leadership/RS Rank, Institutional Sponsorship, and Market Direction. It uses FMP's API for fundamentals and price data, with automatic Finviz fallback for institutional ownership when needed. The composite scoring weights Relative Strength and Annual Growth at 20% each, and it'll warn you in bear markets when the M component flags risk. Watch your API limits on the free tier, you'll need about 248 calls for 35 stocks or 283 for the full 40, so either stay under 35 candidates or grab FMP's $30/month plan. It outputs ranked JSON and markdown reports with score breakdowns.
- skills.sh installs
- 3.8K
- GitHub stars
- 3.7K
- last updated
- Aug 21, 2026
Install
$ npx -y skills add tradermonty/claude-trading-skills --skill canslim-screener --agent claude-codeInstalls into .claude/skills of the current project.
Files
CANSLIM Stock Screener - Phase 3 (Full CANSLIM)
Overview
This skill screens US stocks using William O'Neil's proven CANSLIM methodology, a systematic approach for identifying growth stocks with strong fundamentals and price momentum. CANSLIM analyzes 7 key components: Current Earnings, Annual Growth, Newness/New Highs, Supply/Demand, Leadership/RS Rank, Institutional Sponsorship, and Market Direction.
Phase 3 implements all 7 of 7 components (C, A, N, S, L, I, M), representing 100% of the full methodology.
Two-Stage Approach:
- Stage 1 (FMP API + Finviz): Analyze stock universe with all 7 CANSLIM components
- Stage 2 (Reporting): Rank by composite score and generate actionable reports
Key Features:
- Composite scoring (0-100 scale) with weighted components
- Finviz fallback for institutional ownership data (automatic when FMP data incomplete)
- Progressive filtering to optimize API usage
- JSON + Markdown output formats
- Interpretation bands: Exceptional+ (90+), Exceptional (80-89), Strong (70-79), Above Average (60-69)
- Bear market protection (M component gating)
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- Repository
- github.com/tradermonty/claude-trading-skills
- Categories
- CLI & Terminal, Finance & Trading
- First seen
- May 16, 2026
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