The best indicator for South Korea (EWY)
We backtested 382 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.
Where South Korea (EWY) 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.
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.
South Korea (EWY) 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 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.
What it would take to beat buy & hold on South Korea (EWY)
63 of 637 tested setups beat buy-and-hold on South Korea (EWY) outright. Another 450 could get there with leverage they would survive — but 96 would be liquidated by their own drawdown before they caught it.
| Indicator | Beats B&H unlevered | Leverage needed | Leverage survived |
|---|---|---|---|
| Donchian Midline | 2 | none needed | 2.51× |
| Bollinger %B | 2 | none needed | 2.82× |
| Instantaneous Trendline | 2 | none needed | 3.28× |
| Geometric MA | 2 | none needed | 3.21× |
| Williams %R (21) | 2 | none needed | 2.69× |
| Std Error Channel | 1 | 1.03× | 3.55× |
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 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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