Bighead's Algorithm Notes

Sep 1, 2025 · Artificial Intelligence

How MERA’s Retrieval‑Augmented MoE Boosts Stock Selection Performance by 11%

The article introduces MERA, a Retrieval‑Augmented Mixture‑of‑Experts module that addresses the inability of single‑branch deep‑learning models to capture diverse stock market patterns, describes its self‑supervised pretraining, gating and expert mechanisms, and shows that it improves stock‑selection metrics by up to 11% on major Chinese indices.