SleepWell Trade

Trend-Following Backtester · Guide · backtest 한국어

equity · US

Fastly, Inc. backtest

10 trend-following strategies were compared on the full daily history of Fastly, Inc.. 10 beat buy-and-hold CAGR; 볼린저 밴드 돌파 ranks first by Sharpe, matching the main backtester. The return/drawdown alternative is 볼린저 밴드 돌파 (CAGR 16.5%, MDD -31.5%).

Data 2019-05-17 ~ 2026-08-31daily bars 1,832 (7.3 years)Costs 0.5%Venue XNASMonthly snapshot 2026-08-31

Results by strategy

10 of 10 beat buy and hold (CAGR -0.8%, drawdown -96.1%).

Sharpe leader (same as main): 볼린저 밴드 돌파 — CAGR 16.5%, MDD -31.5%, Sharpe 0.76, 6% exposure.

CAGR reference leader: SMA 크로스오버 — CAGR 27.5%, MDD -71.4%, exposure 42%.

Return/drawdown alternative: 볼린저 밴드 돌파 — CAGR is 17.3%p higher than buy and hold, while drawdown improves by 64.6%p (CAGR 16.5%, MDD -31.5%, exposure 6%).

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=17, k=3.5
16.5%-31.5%0.760.533.1x86%
Keltner 채널 돌파
emaPeriod=17, atrPeriod=8, mult=3.5
15.8%-33.2%0.730.482.9x86%
ADX / DI 방향성
period=18, threshold=39
12.8%-31.5%0.680.412.4x44%
SMA 크로스오버
fast=12, slow=183
27.5%-71.4%0.680.395.9x1342%
ROC 모멘텀
n=103, threshold=-0.03
27.4%-78.6%0.680.355.9x7246%
EMA 크로스오버
fast=24, slow=181
21.7%-72.5%0.610.304.2x1141%
Donchian 채널 돌파
entryN=43, exitN=74
11.4%-76.7%0.490.152.2x1355%
Supertrend
period=29, mult=4.5
10.7%-71.4%0.460.152.1x2938%
Parabolic SAR
step=0.03, maxStep=0.38
7.7%-84.0%0.430.091.7x20050%
MACD
fast=3, slow=34, signal=13
6.0%-83.3%0.420.071.5x17653%
Buy and hold-0.8%-96.1%0.43-0.010.9x1100%
1x 2020 2021 2022 2023 2024 2025 2026 SMA 크로스오버볼린저 밴드 돌파Buy and hold
볼린저 밴드 돌파 (Sharpe leader), SMA 크로스오버 (CAGR reference), Buy and hold.
0% -24% -48% -72% -96% 2020 2021 2022 2023 2024 2025 2026 Buy and holdSMA 크로스오버볼린저 밴드 돌파
볼린저 밴드 돌파 maximum drawdown -31.5% (2026-04-02 → 2026-04-13), prior peak not yet recovered.

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 setupMore US assetsAll asset reports

Read next