Biotech · SOTA Ensemble · 2026-08-21

📈 UP: BIIB (100%), AMGN (86%) 📉 DOWN: MRNA (100%), INSM (86%) Top call — BIIB: SOTA Ensemble — a purged-CV rank ensemble (gradient-boosting + ridge + momentum). BIIB ranks #1 of 8 in Biotech (100% bullish percentile), so the agent calls it UP for the next session. Graded so far: 1/4 ✓ Track record: 160 graded calls, precision 51%