The best indicator for Best Buy (BBY)
We backtested 20 indicators across daily, weekly and hourly charts on real Best Buy (BBY) history. Here's what actually worked — risk-adjusted, out-of-sample, with costs.
EMA 20/50 Cross
On the daily chart, this is the strongest risk-adjusted edge we found for Best Buy (BBY) over ~41.1 years — beating buy-and-hold by 0.3% CAGR.
The winner on each chart
Every indicator, ranked
Ranked by Sharpe (risk-adjusted return). Hypothetical, fees included.
| # | Indicator | TF | CAGR | Sharpe | Max DD | Win | Trades | vs B&H |
|---|---|---|---|---|---|---|---|---|
| 1 | EMA 20/50 Cross ✓ | Daily | 17.9% | 0.65 | -72.3% | 42.5% | 87 | 0.3% |
| 2 | Rate of Change ✓ | Weekly | 16.8% | 0.61 | -60.8% | 39.5% | 124 | -0.7% |
| 3 | EMA-10 Trend ✓ | Weekly | 16.1% | 0.6 | -79.0% | 42.2% | 187 | -1.4% |
| 4 | RSI Trend (>50) | Daily | 15.7% | 0.59 | -69.6% | 34.8% | 517 | -1.9% |
| 5 | Donchian Breakout ✓ | Daily | 13.5% | 0.57 | -67.2% | 42.7% | 157 | -4.2% |
| 6 | MACD ✓ | Weekly | 14.5% | 0.56 | -85.2% | 44.4% | 81 | -3.0% |
| 7 | ADX / DMI | Daily | 12.2% | 0.54 | -63.7% | 42.7% | 267 | -5.5% |
| 8 | Donchian Midline ✓ | Weekly | 13.8% | 0.54 | -71.2% | 46.1% | 115 | -3.8% |
| 9 | EMA-10 Trend | Daily | 12.8% | 0.52 | -93.6% | 37.8% | 911 | -4.8% |
| 10 | Donchian Midline | Daily | 12.7% | 0.52 | -82.1% | 36.2% | 536 | -4.9% |
| 11 | RSI Trend (>50) ✓ | Weekly | 11.4% | 0.48 | -77.6% | 40.7% | 123 | -6.1% |
| 12 | Bollinger Breakout | Daily | 9.3% | 0.47 | -51.3% | 42.6% | 183 | -8.3% |
| 13 | RSI Mean-Reversion ✓ | Weekly | 8.0% | 0.47 | -36.6% | 93.3% | 15 | -9.5% |
| 14 | Bollinger Breakout ✓ | Weekly | 9.8% | 0.47 | -72.6% | 37.5% | 40 | -7.7% |
✓ = held up out-of-sample. Hypothetical, costs included. See methodology.
For Best Buy (BBY), EMA 20/50 Cross on the daily timeframe gave the best balance of return and risk in our test. It beat buy-and-hold — but remember: this is a hypothetical backtest of a standard rule, not a recommendation. Markets change. See the methodology and disclaimer.
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