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EMA breakout with ATR sizing strategyvsBollinger band reversion strategy

EMA breakout with ATR sizing strategy: Cross above a 20-bar EMA, trail the position with ATR-aware stop bands. Β· Bollinger band reversion strategy: Fade a 2-sigma stretch below the mean and exit when price tags the middle band.

VolatilityLong only

EMA breakout with ATR sizing strategy

Cross above a 20-bar EMA, trail the position with ATR-aware stop bands.

Mean reversionLong only

Bollinger band reversion strategy

Fade a 2-sigma stretch below the mean and exit when price tags the middle band.

Indicators

  • EMA (period 20)
  • ATR (period 14)
  • Bollinger Bands (period 20, Οƒ Γ— 2)

Timeframes

1h4h1d
15m1h4h

Bias

Long only

Long only

Market fit

Volatility shifts

Range-bound

Entry rules

  • Enter long when close crosses above EMA(20).
  • Cooldown of 4 bars after exit.
  • Enter long when close is below the lower Bollinger band β€” a 2Οƒ stretch below the 20-bar mean.
  • Single position; 3-bar cooldown after exit.

Exit rules

  • Cross back below EMA(20) closes the trade.
  • Hard 5% stop; trailing 4% stop locks in winners as ATR shifts.
  • Exit when close pushes back above the middle band.
  • Hard 3% stop-loss; 2% trailing stop locks in any reversion gain.

Expected behavior

Long stretches of flat or modest growth followed by occasional sharp jumps when a sustained trend follows the EMA-cross signal. Quiet markets generate few setups by design.

Smooth equity curve in low-volatility regimes with frequent small wins. Sharp drawdowns when a trend extends and price stays pinned below the lower band β€” the strategy expects mean reversion that may not arrive.

Complexity

2 ind Β· 2 entry Β· 2 exitMore advanced
1 ind Β· 2 entry Β· 2 exitSimpler

Which one is right for you?

Derived from the bias, timeframe and indicator profile of each strategy β€” not a back-test forecast.

When to pick EMA breakout with ATR sizing strategy

  • You expect volatility shifts β€” the thesis is "Cross above a 20-bar EMA, trail the position with ATR-aware stop bands."
  • You want a long-only bot on 1h–1d candles with a balanced rule-set.
  • You're comfortable monitoring 2 indicators (EMA (period 20), ATR (period 14)).

Cross above a 20-bar EMA, trail the position with ATR-aware stop bands.

When to pick Bollinger band reversion strategy

  • You expect range-bound β€” the thesis is "Fade a 2-sigma stretch below the mean and exit when price tags the middle band."
  • You want a long-only bot on 15m–4h candles with a balanced rule-set.
  • You're comfortable monitoring 1 indicator (Bollinger Bands (period 20, Οƒ Γ— 2)).

Fade a 2-sigma stretch below the mean and exit when price tags the middle band.

EMA breakout with ATR sizing strategy

Cross above a 20-bar EMA, trail the position with ATR-aware stop bands.

Bollinger band reversion strategy

Fade a 2-sigma stretch below the mean and exit when price tags the middle band.

Related comparisons

Other pairings that involve one of these strategies.

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