Trend-Following Backtester · Guide · backtest 한국어

equity · US

Aehr Test Systems backtest

10 trend-following strategies were compared on the full daily history of Aehr Test Systems. 5 beat buy-and-hold CAGR; Donchian 채널 돌파 ranks first by Sharpe, matching the main backtester. The return/drawdown alternative is ADX / DI 방향성 (CAGR 6.4%, MDD -27.0%).

Data 1997-08-15 ~ 2026-07-31daily bars 7,284 (29.0 years)Costs 0.5%Venue XNASMonthly snapshot 2026-07-31

Results by strategy

5 of 10 beat buy and hold (CAGR 6.0%, drawdown -98.0%).

Sharpe leader (same as main): Donchian 채널 돌파 — CAGR 16.4%, MDD -85.8%, Sharpe 0.55, 58% exposure.

CAGR reference leader: SMA 크로스오버 — CAGR 16.5%, MDD -81.6%, exposure 47%.

Return/drawdown alternative: ADX / DI 방향성 — CAGR is 10.4%p higher than buy and hold, while drawdown improves by 12.1%p (CAGR 6.4%, MDD -27.0%, exposure 2%).

The alternative must retain 75% of buy-and-hold CAGR, improve drawdown by at least 20% and 5 percentage points, and stay below 95% exposure; the ranking weights return retention 60% and drawdown improvement 40%.

Strategy · parametersCAGRMDDSharpeCalmarTotalTradesExposure
Donchian 채널 돌파
entryN=36, exitN=68
16.4%-85.8%0.550.1981.5x5958%
SMA 크로스오버
fast=19, slow=70
16.5%-81.6%0.540.2083.7x11047%
ADX / DI 방향성
period=22, threshold=45
6.4%-27.0%0.460.246.1x102%
Supertrend
period=8, mult=5
8.0%-91.9%0.430.099.3x8354%
EMA 크로스오버
fast=37, slow=131
7.5%-90.7%0.410.088.1x5546%
ROC 모멘텀
n=69, threshold=-0.02
5.7%-93.8%0.390.064.9x36451%
Keltner 채널 돌파
emaPeriod=42, atrPeriod=14, mult=2
3.6%-89.7%0.310.042.8x14827%
볼린저 밴드 돌파
n=50, k=2.2
2.9%-86.7%0.300.032.3x11027%
Parabolic SAR
step=0.005, maxStep=0.24
-0.2%-92.6%0.29-0.000.9x19845%
MACD
fast=23, slow=35, signal=17
-14.7%-99.9%0.06-0.150.0x34052%
Buy and hold6.0%-98.0%0.490.065.4x1100%
0.1 1x 10x 100x 1998 2002 2006 2010 2014 2018 2022 2026 SMA 크로스오버Donchian 채널 돌파Buy and hold
Donchian 채널 돌파 (Sharpe leader), SMA 크로스오버 (CAGR reference), Buy and hold.
0% -24% -49% -73% -98% 1998 2002 2006 2010 2014 2018 2022 2026 Buy and holdSMA 크로스오버Donchian 채널 돌파
Donchian 채널 돌파 maximum drawdown -85.8% (2013-10-02 → 2020-11-20), recovered after 2,914 days.

Rules of the top strategy

A new high means a trend starting; a new low means it’s over (turtle-trading style).

Method and caveats

Past performance does not guarantee future returns. Parameters were carried forward from the latest full optimization and replayed on this monthly dataset. 0.5% trading costs are included; taxes, slippage and rejected orders are not.
Re-optimize the same period and setupAll asset reports

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