Bollinger bands pierce (long)long
Resultados de Backtest @ WMT • Daily

Esta estrategia compra cuando el precio rompe hacia arriba desde la banda superior de las Bandas de Bollinger. Se cree que esto indica el comienzo de un gran movimiento alcista. Luego vende cuando el precio va por debajo de la línea media de las Bandas de Bollinger. ¡Ve si comprar el breakout de las Bandas de Bollinger es una buena idea! Lo hemos backtesteado.

Curva de Equidad

El backtest cubre 38.7 years de datos WMT • Daily (Walmart Inc.), desde November 10, 1986 hasta July 11, 2025.

La curva de equidad es el rendimiento de la estrategia a lo largo del tiempo. Debes compararla con el rendimiento de Compra y Mantén del activo. En general, quieres que el área azul esté bien por encima del área gris.

El drawdown es cuántas pérdidas (realizadas o no realizadas) ha tenido la estrategia si se compara con el pico más alto de equidad. Compara esto con el drawdown del activo para ver si tu estrategia hace un trabajo decente de aislarte de la volatilidad bajista. En general, el área roja debe estar bien dentro del área gris.

Curva de Equidad
Estrategia
Activo
Drawdown de Estrategia
Drawdown de Activo

Entonces, hemos hecho backtest de Bollinger bands pierce (long) en 38.7 years de velas WMT • Daily. Este backtest resultó en 207 posiciones, con una tasa de ganancia promedio de 37% y una relación riesgo-recompensa de 1.74. Si asumes que la relación riesgo-recompensa de 1.74 se mantiene, necesitas una tasa de ganancia mínima de 36.5 para ser rentable. Así que vas bien hasta ahora. Las métricas clave son las siguientes:

  1. Retorno Total: Retorno Total: -20.90% vs 9978.00% para el activo
  2. Máximo Drawdown: Máximo Drawdown: -65.40% vs -50.60% para el activo
  3. Exposición: Exposición: 34.10% tiempo en el mercado
  4. Tasa de Ganancia: Tasa de Ganancia: 37.0%, vs 36.5% mínimo
  5. Relación Riesgo/Recompensa: Relación Riesgo/Recompensa: 1.74

Con esa exposición en mente, puedes ver que para 34% tiempo-en-mercado, obtienes -0.21% del potencial alcista del activo, y 129.25% del potencial bajista del activo.

Bollinger bands pierce (long): entrar en una posición cuando

All of the following: # Echo
  D Chart(close) (1 candles ago) < D Bollinger Bands ® (20, 2, 2, 0, close), Up (1 candles ago)
  D Chart(close) > D Bollinger Bands ® (20, 2, 2, 0, close), Up

Bollinger bands pierce (long): salir de una posición cuando

All of the following: # Oscar
  D Chart(close) < D Bollinger Bands ® (20, 2, 2, 0, close), Middle

Bollinger bands pierce (long) @ WMT • Daily (-20.9%) explicado por Alex C, Mike, Sarah

Alex C

Autor

This strategy looks quite problematic from mathematical perspective. While the Win Rate Leeway appears positive, the overall metrics reveal severe issues that would make this strategy not viable for real trading.

The most concerning aspect is the significant underperformance compared to buy & hold - we see -20.9% net profit versus almost 10000% buy & hold return over 38.7 years. This massive difference cannot be explained by normal market fluctuations. The negative Sharpe (-0.46) and Sortino (-0.29) ratios confirm that the risk-adjusted returns are poor. A max drawdown of -65.4% is also extremely concerning - this is worse than the underlying asset's drawdown of -50.6%.

The trading frequency is too low with only 0.9 trades per month on average. This makes the statistical significance of the results questionable, even though we have 207 total trades. The market exposure of 34.1% suggests the strategy misses most of the upside moves while still being exposed to significant downside risk.

I would definitely not recommend trading this strategy in its current form. The mathematical evidence strongly suggests it needs fundamental rework, not just parameter optimization. The entry/exit rules based on Bollinger Band piercing appear to be capturing noise rather than actual predictive signals.

Mike

Autor

Yo fam, let me break down this Bollinger Bands strategy on WMT! 🎯 The numbers are kinda wild here, but not in the way we'd hope for at the Wendy's night shift.

The strategy's overall performance is giving me mixed vibes. That 37% win rate with a 1.74 risk/reward ratio isn't terrible - actually it's mathematically viable since we only need 36.5% to break even. But that -20.9% total return over 38 years compared to Buy & Hold's insane 9978% return is making me cry into my tendies 😭

What's really sus is that max drawdown of -65.4% - that's like losing your entire paycheck and next month's rent money! 📉 But check this out: the recent performance is actually looking decent with a 15.6% return in the last year. Maybe this bad boy just needed some time to warm up? 🚀

Here's my take: This strategy might be worth paper trading, but I wouldn't YOLO my entire Wendy's savings into it. The recent performance is promising, but that historical drawdown is scarier than running out of fries during dinner rush. Maybe use it as part of a larger strategy and keep position sizes small? Diamond hands aren't always the answer! 💎🤲

Sarah

Autor

Madre de Dios, this strategy is absolute garbage! The numbers are screaming "stay away" louder than my mother when she catch me stealing cookies.

First, look at that pathetic -20.9% net profit over 38 years while buy & hold made almost 10,000%! You would have done better putting your money under your pillow. And that market exposure of 34% means you're sitting out most of the good moves. The strategy is like a bad student who skip most classes and still expect to pass!

The win rate is technically above minimal sufficient (37% vs 36.5%), but that's like being proud of passing exam with D-. And that -65.4% maximum drawdown? Dios mío, that's not a trading strategy, that's financial suicide! Even with good risk/reward ratio of 1.74, the strategy manages to lose money - that's actually impresive in how bad it is!

Only 0.9 trades per month means this strategy is more passive than my uncle Manuel after Sunday lunch. The recent performance looks better, but don't let it fool you - it's like putting lipstick on cerdo. With these horrible Sharpe and Sortino ratios, you'd be better off throwing darts at stock listings blindfolded.

Métricas tabulares de Bollinger bands pierce (long) sometido a backtest en WMT • Daily

Total de Operaciones207Beneficio Neto-20.9%Beneficio Compra y Mantén9978.0%
Tasa de Ganancia37%Ratio Riesgo/Recompensa1.74Máximo Drawdown-65.4%
Máximo Drawdown del Activo-50.6%Exposición34.1%Promedio de Velas en Posición15.0
Ratio de Sharpe-0.46Ratio de Sortino-0.29Volatilidad Realizada12.09%
Racha Máxima de Ganancia6Racha Promedio de Ganancia1.7Racha Máxima de Pérdida8
Racha Promedio de Pérdida2.7Promedio de Operaciones por Mes0.9Promedio de Operaciones por Día0.0
Desv. Est. del Retorno5.2Desv. Est. de la Pérdida2.2Desv. Est. de la Ganancia5.1
Expectativa0.0Beta0.26

Todos los backtests para Bollinger bands pierce (long)

common.strategyexposiciónrendimiento vs activodrawdown vs activotasa de gananciarecompensa/ riesgo
BTCUSDT • 1 Minute
24%(6.4%/8.9%) 0.72x(-2.3%/-1.9%) 1.21x452.9
EURUSD • 1 Minute
28%(0.2%/-0.9%) -0.22x(-0.6%/-1.2%) 0.50x342.1
GLD • 1 Minute
30%(2.6%/0.0%) Infinityx(-1.9%/-5.5%) 0.35x402.1
NVDA • 1 Minute
29%(10.9%/16.7%) 0.65x(-2.1%/-4.4%) 0.48x422.5
SPY • 1 Minute
30%(1.2%/4.6%) 0.26x(-1.9%/-2.1%) 0.90x342.2
TSLA • 1 Minute
31%(-15.1%/-10.3%) 1.47x(-16.7%/-21.4%) 0.78x311.5
WMT • 1 Minute
26%(-3.3%/-5.4%) 0.61x(-4.0%/-6.4%) 0.63x321.6
BTCUSDT • 10 Minutes
27%(7.2%/26.3%) 0.27x(-4.8%/-12.1%) 0.40x382.1
EURUSD • 10 Minutes
32%(2.3%/6.8%) 0.34x(-2.7%/-4.3%) 0.63x362.1
GLD • 10 Minutes
38%(6.0%/43.7%) 0.14x(-9.8%/-8.3%) 1.18x431.6
NVDA • 10 Minutes
33%(8.1%/32.9%) 0.25x(-26.2%/-42.8%) 0.61x441.4
SPY • 10 Minutes
33%(3.6%/14.3%) 0.25x(-7.7%/-20.7%) 0.37x421.6
TSLA • 10 Minutes
31%(4.5%/59.0%) 0.08x(-37.6%/-55.3%) 0.68x391.7
WMT • 10 Minutes
34%(25.4%/40.1%) 0.63x(-6.8%/-23.8%) 0.29x432.1
BTCUSDT • 1 Hour
30%(9.3%/71.3%) 0.13x(-17.2%/-30.6%) 0.56x381.8
EURUSD • 1 Hour
32%(6.5%/8.4%) 0.77x(-4.2%/-9.0%) 0.47x401.9
GLD • 1 Hour
35%(21.0%/117.6%) 0.18x(-28.2%/-22.2%) 1.27x411.8
NVDA • 1 Hour
36%(521.6%/3126.3%) 0.17x(-36.1%/-68.0%) 0.53x472.3
SPY • 1 Hour
36%(31.9%/106.7%) 0.30x(-11.2%/-35.1%) 0.32x461.6
TSLA • 1 Hour
34%(2572.3%/1395.5%) 1.84x(-29.3%/-75.1%) 0.39x463.1
WMT • 1 Hour
34%(62.8%/138.2%) 0.45x(-14.6%/-26.9%) 0.54x432.1
BTCUSDT • Daily
36%(320.8%/1335.5%) 0.24x(-61.6%/-76.6%) 0.80x403.2
EURUSD • Daily
29%(3.2%/10.8%) 0.30x(-10.2%/-23.3%) 0.44x302.7
GLD • Daily
33%(106.4%/595.1%) 0.18x(-23.8%/-45.3%) 0.53x452.1
NVDA • Daily
39%(9137.3%/373678.5%) 0.02x(-67.9%/-90.0%) 0.75x502.5
SPY • Daily
32%(32.3%/1316.3%) 0.02x(-33.3%/-56.7%) 0.59x421.7
TSLA • Daily
35%(8915.3%/24185.2%) 0.37x(-40.7%/-75.0%) 0.54x455.0
WMT • Daily
34%(-20.9%/9978.0%) -0.00x(-65.4%/-50.6%) 1.29x371.7