Trend-Following Backtester · Guide · backtest 한국어

equity · US

OSI Systems, Inc. backtest

10 trend-following strategies were compared on the full daily history of OSI Systems, Inc.. 0 beat buy-and-hold CAGR; Donchian 채널 돌파 ranks first by Sharpe, matching the main backtester.

Data 1997-10-02 ~ 2026-07-31daily bars 7,251 (28.8 years)Costs 0.5%Venue XNASMonthly snapshot 2026-07-31

Results by strategy

0 of 10 beat buy and hold (CAGR 9.7%, drawdown -88.4%).

Sharpe leader (same as main): Donchian 채널 돌파 — CAGR 6.7%, MDD -90.1%, Sharpe 0.36, 85% exposure.

No strategy retained at least 75% of buy-and-hold CAGR while reducing drawdown by both 20% relatively and 5 percentage points absolutely.

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=8, exitN=50
6.7%-90.1%0.360.076.4x11785%
EMA 크로스오버
fast=34, slow=57
6.6%-78.2%0.340.086.3x7857%
SMA 크로스오버
fast=18, slow=113
6.0%-83.1%0.320.075.4x8456%
MACD
fast=19, slow=58, signal=22
5.3%-69.3%0.310.084.4x27751%
볼린저 밴드 돌파
n=43, k=2.3
4.2%-67.2%0.260.063.2x12429%
Supertrend
period=16, mult=4.1
2.6%-87.2%0.250.032.1x11656%
Keltner 채널 돌파
emaPeriod=42, atrPeriod=16, mult=3.4
3.5%-67.6%0.230.052.7x7819%
ROC 모멘텀
n=112, threshold=0.01
1.3%-85.0%0.230.021.5x26257%
ADX / DI 방향성
period=41, threshold=23
2.6%-78.2%0.210.032.1x228%
Parabolic SAR
step=0.005, maxStep=0.32
0.0%-76.6%0.190.001.0x23555%
Buy and hold9.7%-88.4%0.430.1114.6x1100%
1x 10x 1998 2002 2006 2010 2014 2018 2022 2026 Donchian 채널 돌파Buy and hold
Donchian 채널 돌파: Solid strategy line versus dashed buy-and-hold line. Log scale.
0% -23% -45% -68% -90% 1998 2002 2006 2010 2014 2018 2022 2026 Buy and holdDonchian 채널 돌파
Donchian 채널 돌파 maximum drawdown -90.1% (2000-03-17 → 2001-03-15), recovered after 4,364 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

Read next