The best indicator for South Korea (EWY)
We backtested 366 indicators across daily, weekly and hourly charts on real South Korea (EWY) history. Here's what actually worked — risk-adjusted, out-of-sample, with costs.
Andean Oscillator
On the weekly chart, this is the strongest risk-adjusted edge we found for South Korea (EWY) over ~26.2 years — beating buy-and-hold by 1.9% CAGR.
Best multi-indicator combo
Going long only when all 2 agree was the strongest confluence setup we found for South Korea (EWY) — trailing buy-and-hold by 0.4% 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 | Andean Oscillator ✓ | Weekly | 12.0% | 0.69 | -32.8% | 52.2% | 23 | 1.9% |
| 2 | DeMarker (21) ✓ | Weekly | 12.2% | 0.69 | -42.8% | 44.7% | 38 | 2.1% |
| 3 | TRIX ✓ | Weekly | 11.5% | 0.67 | -43.1% | 57.6% | 33 | 1.4% |
| 4 | Awesome Oscillator ✓ | Weekly | 12.1% | 0.66 | -48.3% | 60.9% | 23 | 2.0% |
| 5 | Hull MA 20/80 Cross ✓ | Weekly | 11.5% | 0.65 | -41.1% | 59.3% | 27 | 1.4% |
| 6 | Donchian 100 Break ✓ | Daily | 11.8% | 0.64 | -45.0% | 53.3% | 15 | 1.6% |
| 7 | SMA 5/20 Cross ✓ | Weekly | 11.7% | 0.64 | -27.2% | 54.5% | 33 | 1.6% |
| 8 | Random Walk Index ✓ | Weekly | 11.6% | 0.63 | -42.5% | 49.1% | 57 | 1.5% |
| 9 | TRIX (9) ✓ | Weekly | 11.4% | 0.63 | -49.4% | 52.4% | 21 | 1.3% |
| 10 | TSI (13,7) ✓ | Weekly | 11.5% | 0.63 | -37.0% | 43.8% | 32 | 1.4% |
| 11 | Trade Volume Index ✓ | Weekly | 11.8% | 0.63 | -40.0% | 48.8% | 86 | 1.7% |
| 12 | WMA 10/40 Cross ✓ | Weekly | 11.3% | 0.63 | -47.0% | 57.1% | 21 | 1.2% |
| 13 | DeMarker (14) ✓ | Weekly | 11.1% | 0.63 | -40.1% | 52.8% | 53 | 1.0% |
| 14 | Random Walk Index ✓ | Weekly | 11.6% | 0.63 | -42.5% | 49.1% | 57 | 1.5% |
✓ = held up out-of-sample. Hypothetical, costs included. See methodology.
For South Korea (EWY), Andean Oscillator on the weekly 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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