Trend-Following Backtester · Guide · backtest 한국어

equity · US

American Airlines Group, Inc. backtest

10 trend-following strategies were compared on the full daily history of American Airlines Group, Inc.. 10 beat buy-and-hold CAGR; Parabolic SAR ranks first by Sharpe, matching the main backtester. The return/drawdown alternative is Keltner 채널 돌파 (CAGR 0.8%, MDD -56.1%).

Data 2005-09-27 ~ 2026-07-31daily bars 5,243 (20.8 years)Costs 0.5%Venue XNASMonthly snapshot 2026-07-31

Results by strategy

10 of 10 beat buy and hold (CAGR -1.1%, drawdown -97.2%).

Sharpe leader (same as main): Parabolic SAR — CAGR 10.8%, MDD -66.2%, Sharpe 0.45, 51% exposure.

Return/drawdown alternative: Keltner 채널 돌파 — CAGR is 11.9%p higher than buy and hold, while drawdown improves by 31.0%p (CAGR 0.8%, MDD -56.1%, exposure 14%).

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
Parabolic SAR
step=0.035, maxStep=0.06
10.8%-66.2%0.450.168.5x33651%
볼린저 밴드 돌파
n=21, k=1
9.5%-78.9%0.420.126.6x28642%
Supertrend
period=11, mult=1.5
9.1%-75.9%0.410.126.1x37951%
ROC 모멘텀
n=131, threshold=0.14
8.2%-65.3%0.410.135.2x15035%
ADX / DI 방향성
period=10, threshold=17
8.3%-72.0%0.390.125.2x46647%
MACD
fast=18, slow=47, signal=17
7.3%-89.1%0.380.084.4x22051%
Donchian 채널 돌파
entryN=111, exitN=55
5.4%-68.2%0.330.083.0x2737%
EMA 크로스오버
fast=57, slow=162
5.0%-82.1%0.310.062.8x2545%
SMA 크로스오버
fast=22, slow=110
4.3%-77.6%0.300.062.4x6549%
Keltner 채널 돌파
emaPeriod=26, atrPeriod=22, mult=3.3
0.8%-56.1%0.140.011.2x6614%
Buy and hold-1.1%-97.2%0.30-0.010.8x1100%
0.1 1x 10x 2006 2009 2012 2015 2018 2021 2024 Parabolic SARBuy and hold
Parabolic SAR: Solid strategy line versus dashed buy-and-hold line. Log scale.
0% -24% -49% -73% -97% 2006 2009 2012 2015 2018 2021 2024 Buy and holdParabolic SAR
Parabolic SAR maximum drawdown -66.2% (2015-01-02 → 2024-08-22), prior peak not yet recovered.

Rules of the top strategy

Trades around the Parabolic SAR dots that accelerate toward price.

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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