Trading Systems Lab

Practical notes on EA building, MT5 testing, risk control, and market timing. Less hype, more systems.

Tip: Use short keywords like “London”, “ATR”, “spread”, “JPY”.

Bollinger Bands as a Volatility Tool, Not a Signal

Bollinger Bands are widely misunderstood as buy/sell signals. Learn how professional traders and EA developers use Bollinger Bands correctly as a volatility and market regime tool for range detection, squeezes, and expansion phases.

Bollinger Bands Volatility Expansion Bollinger Squeeze Range Detection Technical Indicators
2026/02/06

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Bollinger Bands (1) Bollinger Squeeze (1) Range Detection (1) Technical Indicators (1) Volatility Expansion (1)
How to use this blog
  • Pick a session (Tokyo/London/NY) and test one idea.
  • Use fixed risk per trade, then optimize only after stability.
  • Bookmark your best setups and keep a track record.