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Trend-Following Backtester · Guide · backtest 한국어

equity · US

Gorman-Rupp Company (The) backtest

10 trend-following strategies were compared on the full daily history of Gorman-Rupp Company (The). 0 beat buy-and-hold CAGR; Donchian 채널 돌파 ranks first by Sharpe, matching the main backtester.

Data 1980-03-17 ~ 2026-08-31daily bars 11,709 (46.5 years)Costs 0.5%Venue XNYSMonthly snapshot 2026-08-31

Results by strategy

0 of 10 beat buy and hold (CAGR 9.0%, drawdown -67.6%).

Sharpe leader (same as main): Donchian 채널 돌파 — CAGR 3.9%, MDD -69.8%, Sharpe 0.28, 84% 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=13, exitN=74
3.9%-69.8%0.280.065.8x14584%
ROC 모멘텀
Hold-like · Exposure 96%
n=21, threshold=-0.12
3.3%-81.0%0.260.044.4x21796%
SMA 크로스오버
fast=54, slow=115
2.4%-65.9%0.220.043.1x11960%
EMA 크로스오버
fast=57, slow=134
2.4%-75.3%0.220.033.0x7364%
ADX / DI 방향성
period=33, threshold=46
0.2%-3.9%0.170.041.1x20%
Supertrend
period=15, mult=3.4
-1.0%-75.9%0.08-0.010.6x36252%
Parabolic SAR
step=0.01, maxStep=0.38
-2.7%-91.7%0.00-0.030.3x57251%
Keltner 채널 돌파
emaPeriod=43, atrPeriod=26, mult=2.9
-3.0%-88.6%-0.11-0.030.2x22029%
볼린저 밴드 돌파
n=52, k=3.3
-2.3%-75.4%-0.13-0.030.3x7412%
MACD
fast=18, slow=27, signal=11
-7.1%-98.6%-0.19-0.070.0x75450%
Buy and hold9.0%-67.6%0.420.1354.2x1100%
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% -17% -35% -52% -70% 1981 1987 1993 1999 2005 2011 2017 2023 Buy and holdDonchian 채널 돌파
Donchian 채널 돌파 maximum drawdown -69.8% (2011-05-10 → 2016-02-05), recovered after 5,517 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 setupMore US assetsAll asset reports

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