Trend-Following Backtester · Guide · backtest 한국어

equity · US

Westlake Corporation backtest

10 trend-following strategies were compared on the full daily history of Westlake Corporation. 4 beat buy-and-hold CAGR; Supertrend ranks first by Sharpe, matching the main backtester. The return/drawdown alternative is 볼린저 밴드 돌파 (CAGR 11.1%, MDD -40.1%).

Data 2004-08-12 ~ 2026-07-31daily bars 5,527 (22.0 years)Costs 0.5%Venue XNYSMonthly snapshot 2026-07-31

Results by strategy

4 of 10 beat buy and hold (CAGR 10.8%, drawdown -75.8%).

Sharpe leader (same as main): Supertrend — CAGR 13.5%, MDD -74.1%, Sharpe 0.58, 60% exposure.

Return/drawdown alternative: 볼린저 밴드 돌파 — CAGR is 2.7%p higher than buy and hold, while drawdown improves by 1.7%p (CAGR 11.1%, MDD -40.1%, exposure 44%).

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=9, mult=4.3
13.5%-74.1%0.580.1816.2x7660%
볼린저 밴드 돌파
n=101, k=1.5
11.1%-40.1%0.570.2810.1x5044%
EMA 크로스오버
fast=15, slow=60
12.7%-57.1%0.570.2213.8x8457%
Donchian 채널 돌파
entryN=19, exitN=26
13.0%-64.3%0.560.2014.5x9263%
ADX / DI 방향성
period=25, threshold=39
3.0%-10.9%0.550.271.9x43%
SMA 크로스오버
fast=19, slow=63
10.3%-65.4%0.490.168.5x8257%
Keltner 채널 돌파
emaPeriod=57, atrPeriod=13, mult=1.5
9.3%-62.6%0.480.157.0x13248%
ROC 모멘텀
n=48, threshold=-0.07
6.6%-77.9%0.360.084.0x23870%
MACD
fast=18, slow=51, signal=16
2.2%-69.7%0.220.031.6x25550%
Parabolic SAR
step=0.01, maxStep=0.18
1.9%-72.6%0.210.031.5x31653%
Buy and hold10.8%-75.8%0.450.149.5x1100%
1x 10x 2005 2008 2011 2014 2017 2020 2023 2026 SupertrendBuy and hold
Supertrend: Solid strategy line versus dashed buy-and-hold line. Log scale.
0% -19% -38% -57% -76% 2005 2008 2011 2014 2017 2020 2023 2026 Buy and holdSupertrend
Supertrend maximum drawdown -74.1% (2005-03-09 → 2009-03-30), recovered after 2,212 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 setupAll asset reports

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