Six Months of Production LLM Trading Agents: No Directional Edge, Behavior Driven by Interface Design
DXRG · hf · 2026-09-09
DXRG released a six-month, population-scale record of autonomous LLM trading agents across two production fleets, with sobering conclusions:
Key findings:
- Agent behavior is driven mainly by interface design, not trading strategy
- Volatility-blind sizing: position decisions ignore volatility
- Agents fail to capture favorable price excursions
- Overall no directional edge
- Decision quality is statistically indistinguishable across frontier model families
A rare long-term production empirical study of autonomous LLM trading systems, valuable for understanding agents' real capability boundaries in financial settings.
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