Trend-Following Backtester · Guide · backtest 한국어

equity · US

The RealReal, Inc. backtest

10 trend-following strategies were compared on the full daily history of The RealReal, Inc.. 10 beat buy-and-hold CAGR; 볼린저 밴드 돌파 ranks first by Sharpe, matching the main backtester. The return/drawdown alternative is Donchian 채널 돌파 (CAGR 21.1%, MDD -31.4%).

Data 2019-06-28 ~ 2026-07-31daily bars 1,782 (7.1 years)Costs 0.5%Venue XNASMonthly snapshot 2026-07-31

Results by strategy

10 of 10 beat buy and hold (CAGR -11.6%, drawdown -96.5%).

Sharpe leader (same as main): 볼린저 밴드 돌파 — CAGR 31.4%, MDD -54.8%, Sharpe 0.83, 25% exposure.

Return/drawdown alternative: Donchian 채널 돌파 — CAGR is 43.0%p higher than buy and hold, while drawdown improves by 41.6%p (CAGR 21.1%, MDD -31.4%, exposure 20%).

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=60, k=2
31.4%-54.8%0.830.576.9x1625%
ADX / DI 방향성
period=21, threshold=26
26.0%-34.8%0.770.755.1x1820%
Keltner 채널 돌파
emaPeriod=45, atrPeriod=25, mult=3.8
22.7%-46.5%0.720.494.3x1218%
Donchian 채널 돌파
entryN=99, exitN=19
21.1%-31.4%0.680.673.9x1420%
Supertrend
period=37, mult=3.5
18.5%-72.4%0.580.263.3x3142%
SMA 크로스오버
fast=42, slow=59
17.0%-61.2%0.550.283.0x3143%
Parabolic SAR
step=0.055, maxStep=0.08
16.1%-86.6%0.540.192.9x15146%
MACD
fast=17, slow=28, signal=18
14.5%-88.1%0.530.162.6x8350%
ROC 모멘텀
n=102, threshold=0
10.8%-74.5%0.450.142.1x4840%
EMA 크로스오버
fast=53, slow=81
-3.3%-76.2%0.18-0.040.8x1538%
Buy and hold-11.6%-96.5%0.33-0.120.4x1100%
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% -24% -48% -72% -96% 2020 2021 2022 2023 2024 2025 2026 Buy and hold볼린저 밴드 돌파
볼린저 밴드 돌파 maximum drawdown -54.8% (2021-02-17 → 2023-06-23), recovered after 1,112 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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