Trend-Following Backtester · Guide · backtest 한국어

equity · US

Comfort Systems USA, Inc. backtest

10 trend-following strategies were compared on the full daily history of Comfort Systems USA, Inc.. 0 beat buy-and-hold CAGR; Donchian 채널 돌파 ranks first by Sharpe, matching the main backtester. The return/drawdown alternative is EMA 크로스오버 (CAGR 14.5%, MDD -73.0%).

Data 1997-06-27 ~ 2026-07-31daily bars 7,318 (29.1 years)Costs 0.5%Venue XNYSMonthly snapshot 2026-07-31

Results by strategy

0 of 10 beat buy and hold (CAGR 17.4%, drawdown -93.4%).

Sharpe leader (same as main): Donchian 채널 돌파 — CAGR 17.2%, MDD -80.8%, Sharpe 0.59, 87% exposure.

Return/drawdown alternative: EMA 크로스오버 — CAGR is 0.2%p lower than buy and hold, while drawdown improves by 12.6%p (CAGR 14.5%, MDD -73.0%, exposure 66%).

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=7, exitN=65
17.2%-80.8%0.590.21102.1x10287%
EMA 크로스오버
fast=59, slow=243
14.5%-73.0%0.570.2051.1x2766%
Supertrend
period=14, mult=5
12.4%-74.5%0.510.1729.8x9063%
SMA 크로스오버
fast=9, slow=178
11.5%-64.9%0.500.1823.8x7363%
Keltner 채널 돌파
emaPeriod=97, atrPeriod=10, mult=2.4
10.3%-68.2%0.500.1517.5x10447%
MACD
fast=21, slow=27, signal=17
5.8%-70.7%0.340.085.1x33850%
ROC 모멘텀
n=84, threshold=0.05
5.7%-78.9%0.330.075.0x31353%
Parabolic SAR
step=0.015, maxStep=0.12
1.9%-78.8%0.220.021.7x50454%
볼린저 밴드 돌파
n=59, k=1.2
1.5%-92.2%0.200.021.6x18450%
ADX / DI 방향성
period=16, threshold=13
1.2%-79.0%0.190.011.4x51451%
Buy and hold17.4%-93.4%0.580.19107.6x1100%
1x 10x 100x 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% -47% -70% -93% 1998 2002 2006 2010 2014 2018 2022 2026 Buy and holdDonchian 채널 돌파
Donchian 채널 돌파 maximum drawdown -80.8% (1998-07-13 → 2001-04-12), recovered after 2,065 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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