The best indicator for Costco (COST)
We backtested 382 indicators across daily, weekly and hourly charts on real Costco (COST) history. Here's what actually worked — risk-adjusted over the full backtest, with costs, and checked out-of-sample.
Where Costco (COST) stands
Computed from our own daily OHLCV history, not quoted from a third party. Moving averages use closing prices; "52-week" is the last 252 trading sessions.
Stochastic RSI
On the weekly chart, this is the strongest risk-adjusted edge we found for Costco (COST) over ~40.4 years — trailing buy-and-hold by 4.2% CAGR.
Costco (COST) on the weekly chart
The timeframe our backtest found best for this asset. The chart is live market data; the results above are hypothetical and historical.
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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% | 81.7% | 71 | -4.2% |
| 2 | Money Flow Index ✓ | Daily | 9.3% | 0.56 | -50.6% | 86.1% | 36 | -3.5% |
| 3 | Projection Bands ✓ | Daily | 9.2% | 0.55 | -57.3% | 69.6% | 365 | -3.6% |
| 4 | TRIMA 100 Trend ✓ | Weekly | 9.9% | 0.55 | -54.8% | 40.0% | 20 | -2.9% |
| 5 | McGinley 30 Trend ✓ | Weekly | 11.5% | 0.54 | -65.1% | 28.6% | 21 | -1.3% |
| 6 | Trend-Gated Asymmetric ✓ | Weekly | 7.4% | 0.54 | -36.8% | 45.2% | 42 | -5.4% |
| 7 | Markov Regime ✓ | Daily | 11.9% | 0.53 | -63.3% | 50.0% | 76 | -0.8% |
| 8 | Chande Kroll Stop ✓ | Weekly | 10.6% | 0.53 | -59.9% | 48.0% | 100 | -2.2% |
| 9 | Camarilla Pivots ✓ | Weekly | 8.8% | 0.53 | -46.3% | 56.9% | 420 | -4.0% |
| 10 | Fibonacci Pivots ✓ | Weekly | 8.4% | 0.53 | -56.9% | 57.6% | 314 | -4.4% |
| 11 | WMA 20/80 Cross ✓ | Weekly | 9.9% | 0.53 | -65.0% | 52.9% | 17 | -2.9% |
| 12 | CCI (200) ✓ | Weekly | 10.1% | 0.53 | -64.4% | 38.1% | 21 | -2.7% |
| 13 | DeMarker ✓ | Weekly | 6.8% | 0.52 | -44.0% | 80.6% | 31 | -6.0% |
| 14 | Elder Ray (Bull/Bear Power) ✓ | Weekly | 8.2% | 0.52 | -49.2% | 55.1% | 127 | -4.6% |
✓ = held up out-of-sample. Hypothetical, costs included. See methodology.
What it would take to beat buy & hold on Costco (COST)
0 of 690 tested setups beat buy-and-hold on Costco (COST) outright. Another 508 could get there with leverage they would survive — but 166 would be liquidated by their own drawdown before they caught it.
| Indicator | Beats B&H unlevered | Leverage needed | Leverage survived |
|---|---|---|---|
| Sine-Weighted MA | — | 2.39× | 3.54× |
| QQE | — | 1.27× | 3.09× |
| Chande Kroll Stop | — | 1.41× | 3.08× |
| Zero-Lag MACD | — | 1.45× | 5.29× |
| TSI (13,7) | — | 1.46× | 4.02× |
| McGinley Dynamic | — | 1.5× | 3.12× |
Out-of-sample, costs included. A setup is only listed if the leverage it needs is less than the leverage its own worst drawdown survives — when it isn't, no amount of leverage gets there. Volatility drag isn't modelled, so these are the optimistic case. Every indicator, ranked this way
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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