SleepWell Trade

Trend-Following Backtester · Guide · backtest 한국어

equity · CN

Castech Inc. Class A backtest

10 trend-following strategies were compared on the full daily history of Castech Inc. Class A. 2 beat buy-and-hold CAGR; Supertrend ranks first by Sharpe, matching the main backtester. The return/drawdown alternative is Supertrend (CAGR 13.4%, MDD -48.8%).

Data 2008-03-19 ~ 2026-08-31daily bars 4,485 (18.5 years)Costs 0.5%Venue SZSEMonthly snapshot 2026-08-31

Results by strategy

2 of 10 beat buy and hold (CAGR 12.2%, drawdown -79.9%).

Sharpe leader (same as main): Supertrend — CAGR 13.4%, MDD -48.8%, Sharpe 0.55, 48% exposure.

Return/drawdown alternative: Supertrend — CAGR is 1.2%p higher than buy and hold, while drawdown improves by 31.1%p (CAGR 13.4%, MDD -48.8%, exposure 48%).

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=26, mult=2
13.4%-48.8%0.550.2810.2x21148%
Donchian 채널 돌파
entryN=5, exitN=76
12.9%-70.6%0.500.189.5x5591%
Keltner 채널 돌파
emaPeriod=17, atrPeriod=8, mult=1.5
9.3%-42.1%0.460.225.2x15427%
볼린저 밴드 돌파
n=32, k=1.9
9.4%-52.3%0.460.185.3x11232%
MACD
fast=11, slow=46, signal=14
9.8%-64.4%0.450.155.6x24551%
Parabolic SAR
step=0.015, maxStep=0.12
9.2%-69.1%0.430.135.1x29749%
ROC 모멘텀
n=142, threshold=-0.04
7.5%-66.9%0.390.113.8x15569%
ADX / DI 방향성
period=16, threshold=30
4.9%-54.1%0.320.092.4x6218%
SMA 크로스오버
fast=50, slow=75
4.7%-73.5%0.320.062.3x7454%
EMA 크로스오버
fast=50, slow=75
3.0%-85.3%0.280.041.7x4858%
Buy and hold12.2%-79.9%0.490.158.3x1100%
1x 10x 2009 2012 2015 2018 2021 2024 SupertrendBuy and hold
Supertrend: Solid strategy line versus dashed buy-and-hold line. Log scale.
0% -20% -40% -60% -80% 2009 2012 2015 2018 2021 2024 Buy and holdSupertrend
Supertrend maximum drawdown -48.8% (2016-07-22 → 2019-08-30), recovered after 2,446 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 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 CN assetsAll asset reports

Read next