SleepWell Trade

Trend-Following Backtester · Guide · backtest 한국어

equity · US

Dropbox, Inc. backtest

10 trend-following strategies were compared on the full daily history of Dropbox, Inc.. 0 beat buy-and-hold CAGR; ADX / DI 방향성 ranks first by Sharpe, matching the main backtester.

Data 2018-03-23 ~ 2026-08-31daily bars 2,121 (8.4 years)Costs 0.5%Venue XNASMonthly snapshot 2026-08-31

Results by strategy

0 of 10 beat buy and hold (CAGR 2.5%, drawdown -62.6%).

Sharpe leader (same as main): ADX / DI 방향성 — CAGR 0.3%, MDD -5.4%, Sharpe 0.20, 1% 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
ADX / DI 방향성
period=18, threshold=38
0.3%-5.4%0.200.061.0x41%
ROC 모멘텀
n=123, threshold=-0.04
-0.8%-46.3%0.10-0.020.9x8355%
SMA 크로스오버
fast=56, slow=110
-1.1%-36.8%0.08-0.030.9x2547%
EMA 크로스오버
fast=14, slow=155
-1.3%-40.7%0.07-0.030.9x2544%
Supertrend
period=17, mult=4.2
-2.1%-59.3%0.05-0.040.8x3549%
Donchian 채널 돌파
entryN=71, exitN=70
-4.1%-52.1%-0.07-0.080.7x1541%
볼린저 밴드 돌파
n=57, k=1.4
-7.0%-66.8%-0.18-0.100.5x4736%
MACD
fast=14, slow=46, signal=9
-10.3%-73.1%-0.27-0.140.4x13852%
Parabolic SAR
step=0.04, maxStep=0.22
-10.5%-71.2%-0.28-0.150.4x27352%
Keltner 채널 돌파
emaPeriod=43, atrPeriod=12, mult=1.2
-11.5%-79.5%-0.36-0.150.4x7738%
Buy and hold2.5%-62.6%0.260.041.2x1100%
1x 2019 2020 2021 2022 2023 2024 2025 2026 ADX / DI 방향성Buy and hold
ADX / DI 방향성: Solid strategy line versus dashed buy-and-hold line. Log scale.
0% -16% -31% -47% -63% 2019 2020 2021 2022 2023 2024 2025 2026 Buy and holdADX / DI 방향성
ADX / DI 방향성 maximum drawdown -5.4% (2023-07-19 → 2023-07-28), prior peak not yet recovered.

Rules of the top strategy

Looks at both the direction and the strength of the trend; holds only in a strong uptrend.

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 US assetsAll asset reports

Read next