Trend-Following Backtester · Guide · backtest 한국어

equity · US

Duolingo, Inc. backtest

10 trend-following strategies were compared on the full daily history of Duolingo, Inc.. 10 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 17.0%, MDD -17.8%).

Data 2021-07-28 ~ 2026-07-31daily bars 1,258 (5.0 years)Costs 0.5%Venue XNASMonthly snapshot 2026-07-31

Results by strategy

10 of 10 beat buy and hold (CAGR -0.0%, drawdown -83.3%).

Sharpe leader (same as main): Keltner 채널 돌파 — CAGR 17.0%, MDD -17.8%, Sharpe 0.84, 21% exposure.

CAGR reference leader: Supertrend — CAGR 26.4%, MDD -42.3%, exposure 51%.

Return/drawdown alternative: Keltner 채널 돌파 — CAGR is 17.0%p higher than buy and hold, while drawdown improves by 65.5%p (CAGR 17.0%, MDD -17.8%, exposure 21%).

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=20, atrPeriod=17, mult=2.3
17.0%-17.8%0.840.962.2x1821%
EMA 크로스오버
fast=29, slow=163
25.9%-38.3%0.770.683.2x447%
Supertrend
period=22, mult=2.4
26.4%-42.3%0.750.623.2x4351%
SMA 크로스오버
fast=20, slow=171
25.0%-38.3%0.740.653.1x750%
ADX / DI 방향성
period=11, threshold=8
19.4%-51.9%0.610.372.4x10551%
Parabolic SAR
step=0.02, maxStep=0.12
14.9%-54.5%0.530.272.0x10149%
ROC 모멘텀
n=136, threshold=0.02
14.2%-48.8%0.530.291.9x2849%
MACD
fast=10, slow=24, signal=10
7.6%-55.1%0.390.141.4x8751%
Donchian 채널 돌파
entryN=66, exitN=73
2.8%-60.6%0.270.051.1x953%
볼린저 밴드 돌파
n=43, k=1.8
2.1%-44.8%0.230.051.1x2533%
Buy and hold-0.0%-83.3%0.33-0.001.0x1100%
1x 2022 2023 2024 2025 2026 SupertrendKeltner 채널 돌파Buy and hold
Keltner 채널 돌파 (Sharpe leader), Supertrend (CAGR reference), Buy and hold.
0% -21% -42% -63% -83% 2022 2023 2024 2025 2026 Buy and holdSupertrendKeltner 채널 돌파
Keltner 채널 돌파 maximum drawdown -17.8% (2023-12-19 → 2024-03-05), recovered after 274 days.

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 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

Read next