Double Bollinger Bands EA

Kathy Lien Method
Uses a trend + pullback approach with Bollinger Bands for trend detection and pullback entries to the inner band.

Price Policy

• First 20 users: 30 USD

• Users 21–100: 200 USD

• 101st and onward: 500 USD

Strategy Summary

• Trend Detection: Price closing beyond outer Bollinger band defines the trend.

• Pullback Entry: In an active trend, entry is taken when price touches inner band (BUY in uptrend, SELL in downtrend).

• Risk & Trade Management:

  • Stop‑Loss: just outside the inner band

  • Take‑Profit: at the opposite outer band

  • Lot sizing: automatic, according to symbol limits

  • Max daily trades, pause after consecutive losses, and max margin risk per trade are controlled by parameters

• Optional Filters:

  • RSI filter: BUY if RSI > level, SELL if RSI < level

  • UTC session filters: enables trading only during Asia, London, New York sessions

Input Parameters
(Each input is named and explained.)

• InpBBPeriod: Bollinger Band period

• InpDevOuter: standard deviation for outer band

• InpDevInner: standard deviation for inner band

• InpUseRsiFilter: enable RSI filter?

• InpRsiPeriod: RSI calculation period

• InpRsiBuyLevel / InpRsiSellLevel: RSI threshold levels

• InpUseSessionFilter: enable session filtering?

• InpSessionAsia / London / NewYork: trade allowed in which UTC sessions

• InpLotSize: lot size (auto‑normalized)

• InpMaxRiskPercent: maximum margin% risk per trade

• InpMagicNumber: unique EA trade ID

• InpTF: signal timeframe

• InpDailyTradeLimit: daily max trades

• InpConsecutiveLossLimit: pause after X consecutive losses