Trend-Following Backtester · Guide · backtest 한국어

equity · US

Personalis, Inc. backtest

10 trend-following strategies were compared on the full daily history of Personalis, Inc.. 10 beat buy-and-hold CAGR; 볼린저 밴드 돌파 ranks first by Sharpe, matching the main backtester. The return/drawdown alternative is SMA 크로스오버 (CAGR 21.8%, MDD -64.0%).

Data 2019-06-20 ~ 2026-07-31daily bars 1,788 (7.1 years)Costs 0.5%Venue XNASMonthly snapshot 2026-07-31

Results by strategy

10 of 10 beat buy and hold (CAGR -10.8%, drawdown -98.2%).

Sharpe leader (same as main): 볼린저 밴드 돌파 — CAGR 28.0%, MDD -68.6%, Sharpe 0.69, 31% exposure.

Return/drawdown alternative: SMA 크로스오버 — CAGR is 38.9%p higher than buy and hold, while drawdown improves by 29.5%p (CAGR 21.8%, MDD -64.0%, exposure 35%).

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
볼린저 밴드 돌파
n=47, k=1.4
28.0%-68.6%0.690.415.8x3231%
EMA 크로스오버
fast=11, slow=161
27.7%-69.5%0.680.405.7x1135%
Donchian 채널 돌파
entryN=38, exitN=26
23.2%-82.4%0.630.284.4x1934%
ADX / DI 방향성
period=9, threshold=39
20.1%-69.4%0.610.293.7x3614%
SMA 크로스오버
fast=49, slow=209
21.8%-64.0%0.610.344.1x735%
ROC 모멘텀
n=107, threshold=0.01
21.4%-86.8%0.610.254.0x5540%
Keltner 채널 돌파
emaPeriod=59, atrPeriod=16, mult=2.2
16.4%-75.9%0.540.222.9x2528%
Supertrend
period=24, mult=3
14.9%-86.1%0.520.172.7x4239%
MACD
fast=15, slow=26, signal=14
6.6%-91.3%0.450.071.6x9652%
Parabolic SAR
step=0.03, maxStep=0.24
-4.6%-90.6%0.27-0.050.7x19846%
Buy and hold-10.8%-98.2%0.35-0.110.4x1100%
0.1 1x 2020 2021 2022 2023 2024 2025 2026 볼린저 밴드 돌파Buy and hold
볼린저 밴드 돌파: Solid strategy line versus dashed buy-and-hold line. Log scale.
0% -25% -49% -74% -98% 2020 2021 2022 2023 2024 2025 2026 Buy and hold볼린저 밴드 돌파
볼린저 밴드 돌파 maximum drawdown -68.6% (2021-01-20 → 2023-12-12), recovered after 1,301 days.

Rules of the top strategy

Breaking above the upper band (average plus a multiple of volatility) signals a strong move up.

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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