{"as_of": "2026-08", "currency": "USD", "note": "Rates change; verify with each broker before relying on this.", "us_stock": [{"broker": "moomoo Japan", "rate": 0.00088, "cap": 16.5}, {"broker": "SBI", "rate": 0.00495, "cap": 22.0}, {"broker": "Rakuten", "rate": 0.00495, "cap": 22.0}, {"broker": "Monex", "rate": 0.00495, "cap": 22.0}, {"broker": "Matsui", "rate": 0.00495, "cap": 22.0}], "measured_impact": {"description": "Same daily strategy, 15.6y backtest, costs included", "cagr_difference_pct": 1.5, "compared": ["0.495%", "0.088%"]}}