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5-6

1 LEG & 2 LEG LOCK

Latency & hedge arbitrage

STRATEGY: 1 LEG — LATENCY ARBITRAGE

Detects when the Fast Feed price moves ahead of the Broker price. Opens a trade on the slower broker in the direction of the gap, and closes it when the broker price catches up.

FAST MOVES
GAP>THRESH
OPEN TRADE
CATCHES UP
SETTINGWHAT IT DOES
GapMinimum price difference between feeds to trigger a trade. Higher values mean fewer but more reliable entries
ShiftAdjusts the entry price by a small offset to compensate for execution delay
Stop LossHow far the price can move against you before the trade is closed at a loss
Take ProfitHow far the price needs to move in your favor before closing at a profit
Max SpreadMaximum allowed broker spread. Prevents opening trades when spreads are unusually wide
Trade PauseWaiting time in seconds between trades. Prevents opening too many trades in rapid succession

STRATEGY: 2 LEG LOCK — HEDGE ARBITRAGE

When a gap is detected, opens both a BUY and a SELL at the same time. One will be winning, the other losing. The loser is closed quickly, and a trailing stop is applied to the winner to lock in profit.

GAP FOUND
BUY+SELL
CLOSE LOSER
TRAIL WIN
SETTINGWHAT IT DOES
GapMinimum price difference to trigger the simultaneous hedge entry
Trail StartHow much profit the winning leg must reach before trailing stop activates
Trail DistHow far behind the maximum profit the trailing stop follows
Stop LossMaximum loss allowed on each individual leg before forced closure

Requires hedge-enabled broker. NOT supported on Rithmic or FIFO brokers.

Key Features

Ultra-Low Latency

Executes trades in milliseconds when price gaps are detected between fast feed and broker.

Profit Lock Mechanism

2 Leg Lock hedges both directions and trails the winner to secure gains.

Risk Management

Built-in stop loss and spread filters protect against adverse market conditions.

Horizon HFT Educational Series

Understanding the 2-Leg Lock Strategy

Most traders think arbitrage is complicated. It's not.

A 2-Leg Lock exploits price differences between two brokers:

  • Leg 1: BUY on Fast Feed (cheap price)
  • Leg 2: SELL on Slow Broker (expensive price)

When the slow broker catches up → locked profit

Key Components:

  • Fast institutional feed (LMAX)
  • Slow retail broker (delayed)
  • Sub-millisecond execution

The Formula:

Profit = Price Difference - Spread - Commission - Slippage

This is NOT hedging. This is pure arbitrage.

2-Leg Lock Strategy - Visual explanation of arbitrage between fast feed and slow broker

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