Trend-Following Backtester · Guide · backtest 한국어

equity · US

L3Harris Technologies, Inc. backtest

10 trend-following strategies were compared on the full daily history of L3Harris Technologies, Inc.. 0 beat buy-and-hold CAGR; Donchian 채널 돌파 ranks first by Sharpe, matching the main backtester.

Data 1981-12-31 ~ 2026-07-31daily bars 11,235 (44.6 years)Costs 0.5%Venue XNYSMonthly snapshot 2026-07-31

Results by strategy

0 of 10 beat buy and hold (CAGR 7.8%, drawdown -72.5%).

Sharpe leader (same as main): Donchian 채널 돌파 — CAGR 5.7%, MDD -60.6%, Sharpe 0.34, 80% 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=20, exitN=68
5.7%-60.6%0.340.0911.6x11880%
Supertrend
period=4, mult=4.2
4.3%-60.3%0.300.076.5x22260%
SMA 크로스오버
fast=55, slow=228
4.0%-66.9%0.290.065.7x5862%
ROC 모멘텀
n=182, threshold=-0.11
4.1%-71.0%0.290.066.0x20980%
Keltner 채널 돌파
emaPeriod=75, atrPeriod=24, mult=1.2
1.9%-64.2%0.190.032.3x30454%
EMA 크로스오버
fast=43, slow=206
1.6%-73.7%0.180.022.0x7666%
볼린저 밴드 돌파
n=33, k=1.4
0.4%-57.8%0.110.011.2x40244%
ADX / DI 방향성
period=34, threshold=16
0.3%-59.1%0.090.001.1x19828%
MACD
fast=21, slow=33, signal=15
-1.4%-77.2%0.04-0.020.5x56550%
Parabolic SAR
step=0.005, maxStep=0.3
-1.8%-67.3%0.02-0.030.4x39056%
Buy and hold7.8%-72.5%0.400.1128.4x1100%
1x 10x 1982 1988 1994 2000 2006 2012 2018 2024 Donchian 채널 돌파Buy and hold
Donchian 채널 돌파: Solid strategy line versus dashed buy-and-hold line. Log scale.
0% -18% -36% -54% -73% 1982 1988 1994 2000 2006 2012 2018 2024 Buy and holdDonchian 채널 돌파
Donchian 채널 돌파 maximum drawdown -60.6% (1983-02-23 → 1988-01-22), recovered after 3,900 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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