Trend-Following Backtester · Guide · backtest 한국어

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Seagate Technology Holdings PLC backtest

10 trend-following strategies were compared on the full daily history of Seagate Technology Holdings PLC. 8 beat buy-and-hold CAGR; 볼린저 밴드 돌파 ranks first by Sharpe, matching the main backtester. The return/drawdown alternative is Keltner 채널 돌파 (CAGR 22.0%, MDD -41.3%).

Data 2002-12-11 ~ 2026-07-31daily bars 5,946 (23.6 years)Costs 0.5%Venue XNASMonthly snapshot 2026-07-31

Results by strategy

8 of 10 beat buy and hold (CAGR 20.0%, drawdown -89.8%).

Sharpe leader (same as main): 볼린저 밴드 돌파 — CAGR 26.2%, MDD -43.3%, Sharpe 0.93, 48% exposure.

CAGR reference leader: EMA 크로스오버 — CAGR 26.2%, MDD -43.5%, exposure 58%.

Return/drawdown alternative: Keltner 채널 돌파 — CAGR is 6.2%p higher than buy and hold, while drawdown improves by 46.5%p (CAGR 22.0%, MDD -41.3%, exposure 45%).

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
볼린저 밴드 돌파
n=94, k=1.2
26.2%-43.3%0.930.60244.1x6348%
EMA 크로스오버
fast=20, slow=78
26.2%-43.5%0.880.60245.7x7358%
ROC 모멘텀
n=62, threshold=0.03
24.5%-53.6%0.860.46178.0x21352%
Donchian 채널 돌파
entryN=45, exitN=39
25.2%-47.1%0.860.54202.7x5954%
Keltner 채널 돌파
emaPeriod=50, atrPeriod=15, mult=1.6
22.0%-41.3%0.830.53110.6x13245%
Supertrend
period=22, mult=4.2
23.5%-58.5%0.820.40145.9x9651%
SMA 크로스오버
fast=11, slow=123
23.4%-48.3%0.820.48144.2x6758%
ADX / DI 방향성
period=34, threshold=12
22.0%-51.8%0.810.43110.8x19244%
Parabolic SAR
step=0.01, maxStep=0.12
12.4%-76.2%0.520.1616.0x32352%
MACD
fast=9, slow=54, signal=13
12.4%-74.6%0.520.1715.8x36650%
Buy and hold20.0%-89.8%0.630.2274.1x1100%
1x 10x 100x 2003 2006 2009 2012 2015 2018 2021 2024 EMA 크로스오버볼린저 밴드 돌파Buy and hold
볼린저 밴드 돌파 (Sharpe leader), EMA 크로스오버 (CAGR reference), Buy and hold.
0% -22% -45% -67% -90% 2003 2006 2009 2012 2015 2018 2021 2024 Buy and holdEMA 크로스오버볼린저 밴드 돌파
볼린저 밴드 돌파 maximum drawdown -43.3% (2010-03-01 → 2011-12-19), recovered after 708 days.

Rules of the top strategy

Breaking above the upper band (average plus a multiple of volatility) signals a strong move up.

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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