Trend-Following Backtester · Guide · backtest 한국어

equity · US

Castle Biosciences, Inc. backtest

10 trend-following strategies were compared on the full daily history of Castle Biosciences, Inc.. 6 beat buy-and-hold CAGR; Keltner 채널 돌파 ranks first by Sharpe, matching the main backtester. The return/drawdown alternative is Keltner 채널 돌파 (CAGR 3.0%, MDD -5.6%).

Data 2019-07-25 ~ 2026-07-31daily bars 1,764 (7.0 years)Costs 0.5%Venue XNASMonthly snapshot 2026-07-31

Results by strategy

6 of 10 beat buy and hold (CAGR 3.8%, drawdown -88.0%).

Sharpe leader (same as main): Keltner 채널 돌파 — CAGR 3.0%, MDD -5.6%, Sharpe 0.58, 2% exposure.

CAGR reference leader: EMA 크로스오버 — CAGR 14.5%, MDD -52.2%, exposure 46%.

Return/drawdown alternative: Keltner 채널 돌파 — CAGR is 0.8%p lower than buy and hold, while drawdown improves by 82.4%p (CAGR 3.0%, MDD -5.6%, exposure 2%).

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
Keltner 채널 돌파
emaPeriod=14, atrPeriod=9, mult=4
3.0%-5.6%0.580.531.2x22%
EMA 크로스오버
fast=41, slow=163
14.5%-52.2%0.540.282.6x1046%
SMA 크로스오버
fast=56, slow=191
10.5%-54.6%0.450.192.0x1244%
ADX / DI 방향성
period=19, threshold=17
7.9%-57.5%0.390.141.7x6135%
볼린저 밴드 돌파
n=53, k=1.4
6.0%-77.6%0.340.081.5x3537%
MACD
fast=5, slow=62, signal=15
4.8%-70.8%0.330.071.4x12751%
Donchian 채널 돌파
entryN=82, exitN=26
4.6%-53.3%0.300.091.4x1329%
ROC 모멘텀
n=90, threshold=-0.02
3.0%-75.6%0.300.041.2x8153%
Parabolic SAR
step=0.03, maxStep=0.18
-0.7%-57.7%0.23-0.010.9x19754%
Supertrend
period=21, mult=3.1
0.1%-81.8%0.220.001.0x4150%
Buy and hold3.8%-88.0%0.420.041.3x1100%
1x 2020 2021 2022 2023 2024 2025 2026 EMA 크로스오버Keltner 채널 돌파Buy and hold
Keltner 채널 돌파 (Sharpe leader), EMA 크로스오버 (CAGR reference), Buy and hold.
0% -22% -44% -66% -88% 2020 2021 2022 2023 2024 2025 2026 Buy and holdEMA 크로스오버Keltner 채널 돌파
Keltner 채널 돌파 maximum drawdown -5.6% (2025-12-22 → 2025-12-30), prior peak not yet recovered.

Rules of the top strategy

Breaking above the channel top (average plus a multiple of volatility) signals an upside breakout.

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 setupAll asset reports

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