{
  "slug": "high-frequency-trading",
  "name": "High-Frequency Trading",
  "aliases": [
    "HFT"
  ],
  "category": "quantitative",
  "description": "A class of latency-sensitive automated trading strategies that profit from microstructure phenomena — passive market-making, statistical arbitrage at sub-second horizons, and liquidity-taking signals — typically holding inventory for milliseconds to minutes.",
  "investment_thesis": "Speed, inventory management, and adverse-selection control let market-makers earn the bid-ask spread net of expected adverse selection.",
  "edge_source": "Co-location, optimized execution, microstructure modeling, and queue-position management.",
  "typical_holding_period": "Microseconds to minutes",
  "typical_leverage": {
    "min": 5,
    "max": 30,
    "typical": 12
  },
  "expected_volatility": {
    "min": 2,
    "max": 6,
    "unit": "annualized-pct"
  },
  "expected_sharpe": {
    "low": 3,
    "high": 12
  },
  "drawdown_profile": "Very small drawdowns, but capacity-limited and prone to flash-crash episodes (May 2010).",
  "correlation_to_equities": 0,
  "correlation_to_bonds": 0,
  "liquidity_profile": "daily",
  "instruments_used": [
    "equities",
    "futures",
    "options",
    "FX",
    "fixed income"
  ],
  "asset_classes": [
    "multi-asset"
  ],
  "primary_risks": [
    "technology failure",
    "regulatory intervention (e.g., FSB, SEC Reg AT)",
    "queue-position decay",
    "predator/prey dynamics with informed traders"
  ],
  "fee_structure": {
    "management_fee": "Often principal trading; few external HFT funds",
    "performance_fee": "n/a (most HFT is proprietary)"
  },
  "key_metrics": [
    "Sharpe ratio",
    "P&L per share",
    "cancel ratio",
    "queue-fill rate",
    "adverse selection"
  ],
  "notable_practitioners": [
    "Citadel Securities",
    "Virtu Financial",
    "Jane Street",
    "Jump Trading",
    "DRW"
  ],
  "exemplar_funds": [
    "citadel-securities",
    "virtu",
    "jane-street",
    "jump-trading"
  ],
  "related_terms": [
    "market-making",
    "latency",
    "co-location",
    "adverse-selection",
    "tick-size"
  ],
  "related_strategies": [
    "statistical-arbitrage",
    "market-making"
  ],
  "historical_drawdowns": [
    {
      "year": 2010,
      "event": "May 6 Flash Crash",
      "estimated_drawdown_pct": -3
    },
    {
      "year": 2015,
      "event": "August 24 ETF flash crash",
      "estimated_drawdown_pct": -2
    }
  ],
  "academic_foundations": [
    "Glosten-Milgrom (1985)",
    "Kyle (1985) — Continuous Auctions and Insider Trading",
    "Ho-Stoll (1981)"
  ]
}