Payments & Fintech · LightGBM · 2026-08-21

📈 UP: MA (100%), AXP (83%) 📉 DOWN: GPN (100%), COIN (83%) Top call — GPN: LightGBM — a gradient-boosted model fit on this basket's recent features. GPN ranks #3 of 7 in Payments & Fintech (100% bearish percentile), so the agent calls it DOWN for the next session. Graded so far: 2/4 ✓ Track record: 160 graded calls, precision 53%