Trend-Following Backtester · Guide · backtest 한국어

equity · US

Ally Financial Inc. backtest

10 trend-following strategies were compared on the full daily history of Ally Financial Inc.. 5 beat buy-and-hold CAGR; ROC 모멘텀 ranks first by Sharpe, matching the main backtester. The return/drawdown alternative is ROC 모멘텀 (CAGR 6.3%, MDD -19.6%).

Data 2014-01-28 ~ 2026-07-31daily bars 3,146 (12.5 years)Costs 0.5%Venue XNYSMonthly snapshot 2026-07-31

Results by strategy

5 of 10 beat buy and hold (CAGR 4.1%, drawdown -66.6%).

Sharpe leader (same as main): ROC 모멘텀 — CAGR 6.3%, MDD -19.6%, Sharpe 0.62, 13% exposure.

CAGR reference leader: 볼린저 밴드 돌파 — CAGR 7.7%, MDD -23.7%, exposure 19%.

Return/drawdown alternative: ROC 모멘텀 — CAGR is 2.2%p higher than buy and hold, while drawdown improves by 47.0%p (CAGR 6.3%, MDD -19.6%, exposure 13%).

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
ROC 모멘텀
n=105, threshold=0.27
6.3%-19.6%0.620.322.2x3613%
볼린저 밴드 돌파
n=51, k=3.1
7.7%-23.7%0.560.322.5x1819%
ADX / DI 방향성
period=36, threshold=16
4.5%-30.9%0.390.141.7x4018%
Donchian 채널 돌파
entryN=125, exitN=52
5.2%-36.1%0.380.141.9x1433%
SMA 크로스오버
fast=53, slow=167
5.5%-32.1%0.370.172.0x1946%
EMA 크로스오버
fast=74, slow=142
4.1%-38.3%0.300.111.6x2152%
Keltner 채널 돌파
emaPeriod=56, atrPeriod=15, mult=3.3
2.8%-37.7%0.260.071.4x3024%
Supertrend
period=21, mult=4
2.6%-46.1%0.230.061.4x5351%
Parabolic SAR
step=0.015, maxStep=0.12
-2.8%-66.9%0.01-0.040.7x21453%
MACD
fast=9, slow=36, signal=6
-9.8%-86.8%-0.28-0.110.3x33850%
Buy and hold4.1%-66.6%0.300.061.7x1100%
1x 2015 2017 2019 2021 2023 2025 볼린저 밴드 돌파ROC 모멘텀Buy and hold
ROC 모멘텀 (Sharpe leader), 볼린저 밴드 돌파 (CAGR reference), Buy and hold.
0% -17% -33% -50% -67% 2015 2017 2019 2021 2023 2025 Buy and hold볼린저 밴드 돌파ROC 모멘텀
ROC 모멘텀 maximum drawdown -19.6% (2018-01-30 → 2020-08-21), recovered after 979 days.

Rules of the top strategy

Rides the trend when recent return (momentum) over a window is above a threshold.

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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