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Market Structure Shifts (MSS)

A Market Structure Shift (MSS) represents the transition of order flow from bullish to bearish, or vice versa, on a lower-timeframe chart. It is the core trigger we use inside the TradeGuardian Framework™ to confirm session setups.

Anatomy of a Shift

For a valid market structure shift to occur, price must break a key structural point with displacement:

  • Bullish MSS: Price sweeps liquidity, then rallies upward to close above the most recent lower-timeframe swing high.
  • Bearish MSS: Price sweeps liquidity, then declines rapidly to close below the most recent lower-timeframe swing low.

Key Execution Rules

  1. Displacement: The break of the swing point must be energetic, leaving a Fair Value Gap (FVG). A slow, grinding wick break is not a valid shift.
  2. Liquidity Sweep: An MSS is only high probability if it occurs immediately after sweeping a session range high/low or key daily liquidity pool.