Trend-Following Backtester · Guide · backtest 한국어

equity · US

American Financial Group, Inc. backtest

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

Data 1980-03-17 ~ 2026-07-31daily bars 11,688 (46.4 years)Costs 0.5%Venue XNYSMonthly snapshot 2026-07-31

Results by strategy

0 of 10 beat buy and hold (CAGR 7.0%, drawdown -64.3%).

Sharpe leader (same as main): Donchian 채널 돌파 — CAGR 6.2%, MDD -64.1%, Sharpe 0.35, 92% 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=6, exitN=91
6.2%-64.1%0.350.1016.0x12792%
EMA 크로스오버
fast=59, slow=87
4.5%-53.1%0.310.087.7x8364%
ADX / DI 방향성
period=59, threshold=15
2.6%-37.5%0.280.073.3x4816%
SMA 크로스오버
fast=28, slow=137
3.5%-45.2%0.270.084.9x10362%
Supertrend
period=15, mult=5
3.0%-52.8%0.240.064.0x13960%
볼린저 밴드 돌파
n=57, k=3.4
0.6%-50.3%0.120.011.3x4010%
ROC 모멘텀
n=99, threshold=-0.04
-0.2%-83.6%0.10-0.000.9x40572%
Keltner 채널 돌파
emaPeriod=22, atrPeriod=9, mult=3.7
-0.3%-38.7%-0.02-0.010.9x384%
MACD
fast=13, slow=46, signal=19
-4.1%-92.9%-0.11-0.040.1x58950%
Parabolic SAR
step=0.015, maxStep=0.2
-5.4%-96.4%-0.16-0.060.1x81355%
Buy and hold7.0%-64.3%0.370.1123.2x1100%
1x 10x 1981 1987 1993 1999 2005 2011 2017 2023 Donchian 채널 돌파Buy and hold
Donchian 채널 돌파: Solid strategy line versus dashed buy-and-hold line. Log scale.
0% -16% -32% -48% -64% 1981 1987 1993 1999 2005 2011 2017 2023 Buy and holdDonchian 채널 돌파
Donchian 채널 돌파 maximum drawdown -64.1% (1981-04-08 → 1982-08-27), recovered after 8,318 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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