Hiring acceleration = (30-day new postings minus 90-day baseline) / baseline x 100%. Composite score = 0.40 x Velocity + 0.30 x Quality + 0.20 x Department Mix + 0.10 x Density. Scores range 0-10. Stocks scoring 7+ are flagged as actionable signals. Universe: 20 US mid-cap growth stocks ($500M-$10B market cap). Data sources: Hiring data via deterministic models correlated with real fundamentals. Price, fundamentals, and insider activity from OpenAlva SDK. Updated daily at 08:00 UTC. Backtest methodology: Historical score buckets measured against forward 30/60/90-day returns. Win rate = percentage of signals with positive 30-day return. Source: r/algotrading hiring methodology.