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Trend-Following Backtester · Guide · backtest 한국어

equity · US

Friedman Industries Inc. backtest

10 trend-following strategies were compared on the full daily history of Friedman Industries Inc.. 0 beat buy-and-hold CAGR; Supertrend 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 XNASMonthly snapshot 2026-07-31

Results by strategy

0 of 10 beat buy and hold (CAGR 5.9%, drawdown -79.0%).

Sharpe leader (same as main): Supertrend — CAGR 3.6%, MDD -77.9%, Sharpe 0.27, 45% 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
Supertrend
period=21, mult=5
3.6%-77.9%0.270.055.2x17745%
Parabolic SAR
step=0.005, maxStep=0.36
1.4%-81.0%0.200.021.9x30349%
SMA 크로스오버
fast=20, slow=85
1.0%-89.0%0.190.011.6x17151%
EMA 크로스오버
fast=27, slow=60
0.6%-78.3%0.180.011.3x17750%
Donchian 채널 돌파
entryN=118, exitN=69
0.6%-81.7%0.170.011.3x6940%
볼린저 밴드 돌파
n=48, k=2.8
0.4%-84.0%0.130.011.2x13521%
MACD
fast=19, slow=50, signal=19
-3.6%-98.4%0.06-0.040.2x50851%
Keltner 채널 돌파
emaPeriod=63, atrPeriod=29, mult=3.1
-1.8%-95.3%0.05-0.020.4x17527%
ADX / DI 방향성
period=22, threshold=20
-2.8%-88.7%-0.01-0.030.3x26523%
ROC 모멘텀
n=107, threshold=0.08
-4.5%-96.5%-0.02-0.050.1x43736%
Buy and hold5.9%-79.0%0.350.0714.4x1100%
1x 10x 1981 1987 1993 1999 2005 2011 2017 2023 SupertrendBuy and hold
Supertrend: Solid strategy line versus dashed buy-and-hold line. Log scale.
0% -20% -39% -59% -79% 1981 1987 1993 1999 2005 2011 2017 2023 Buy and holdSupertrend
Supertrend maximum drawdown -77.9% (1981-04-27 → 2003-06-11), recovered after 8,688 days.

Rules of the top strategy

Trades the direction of a volatility-based trend line that trails below/above price.

Method and caveats

Past performance does not guarantee future returns. Parameters were selected on the same full-history sample using sharpe over 40 trials per strategy, so results contain in-sample bias. 0.5% trading costs are included; taxes, slippage and rejected orders are not.
Re-run the same setupMore US assetsAll asset reports

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