The best indicator for Costco (COST)
We backtested 366 indicators across daily, weekly and hourly charts on real Costco (COST) history. Here's what actually worked — risk-adjusted, out-of-sample, with costs.
Stochastic RSI
On the weekly chart, this is the strongest risk-adjusted edge we found for Costco (COST) over ~40.1 years — trailing buy-and-hold by 4.5% CAGR.
Best multi-indicator combo
Going long only when all 2 agree was the strongest confluence setup we found for Costco (COST) — trailing buy-and-hold by 10.9% CAGR, out-of-sample. Fewer, higher-conviction trades than any single indicator.
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 | Stochastic RSI ✓ | Weekly | 8.6% | 0.6 | -43.6% | 82.4% | 68 | -4.5% |
| 2 | Projection Bands ✓ | Daily | 9.6% | 0.56 | -55.2% | 69.8% | 361 | -3.5% |
| 3 | Camarilla Pivots ✓ | Weekly | 9.6% | 0.56 | -46.3% | 57.0% | 421 | -3.5% |
| 4 | McGinley 30 Trend ✓ | Weekly | 11.8% | 0.55 | -65.1% | 28.6% | 21 | -1.3% |
| 5 | TRIMA 100 Trend ✓ | Weekly | 10.0% | 0.55 | -54.9% | 36.8% | 19 | -3.1% |
| 6 | Fibonacci Pivots ✓ | Weekly | 8.7% | 0.54 | -56.9% | 58.3% | 314 | -4.4% |
| 7 | CCI (200) ✓ | Weekly | 10.4% | 0.54 | -64.4% | 38.1% | 21 | -2.7% |
| 8 | SMC: Fair Value Gap ✓ | Weekly | 9.9% | 0.54 | -58.5% | 49.4% | 77 | -3.2% |
| 9 | Markov Regime ✓ | Daily | 12.4% | 0.54 | -61.4% | 50.0% | 76 | -0.7% |
| 10 | Chande Kroll Stop ✓ | Weekly | 10.7% | 0.53 | -59.9% | 49.0% | 98 | -2.4% |
| 11 | SMA 200 Trend ✓ | Weekly | 10.1% | 0.53 | -57.8% | 57.1% | 21 | -3.0% |
| 12 | WMA 20/80 Cross ✓ | Weekly | 10.0% | 0.53 | -65.0% | 52.9% | 17 | -3.1% |
| 13 | Trend-Gated Asymmetric ✓ | Weekly | 7.3% | 0.53 | -36.8% | 42.9% | 42 | -5.7% |
| 14 | McGinley 100 Trend ✓ | Daily | 11.2% | 0.52 | -60.0% | 34.8% | 89 | -1.8% |
✓ = held up out-of-sample. Hypothetical, costs included. See methodology.
For Costco (COST), Stochastic RSI on the weekly timeframe gave the best balance of return and risk in our test. It still trailed buy-and-hold on raw return — 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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