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Direxion Daily S&P 500 Bear 3X ETF backtest

10 trend-following strategies were compared on the full daily history of Direxion Daily S&P 500 Bear 3X ETF. 10 beat buy-and-hold CAGR; Keltner 채널 돌파 ranks first by Sharpe, matching the main backtester. The return/drawdown alternative is ADX / DI 방향성 (CAGR -0.5%, MDD -16.3%).

Data 2008-11-19 ~ 2026-07-31daily bars 4,450 (17.7 years)Costs 0.5%Venue XASEMonthly snapshot 2026-07-31

Results by strategy

10 of 10 beat buy and hold (CAGR -45.7%, drawdown -100.0%).

Sharpe leader (same as main): Keltner 채널 돌파 — CAGR -2.2%, MDD -48.5%, Sharpe 0.02, 2% exposure.

CAGR reference leader: ADX / DI 방향성 — CAGR -0.5%, MDD -16.3%, exposure 0%.

Return/drawdown alternative: ADX / DI 방향성 — CAGR is 43.4%p higher than buy and hold, while drawdown improves by 51.5%p (CAGR -0.5%, MDD -16.3%, exposure 0%).

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=18, atrPeriod=28, mult=4
-2.2%-48.5%0.02-0.050.7x142%
Donchian 채널 돌파
entryN=75, exitN=21
-7.1%-77.6%-0.10-0.090.3x227%
ADX / DI 방향성
period=23, threshold=34
-0.5%-16.3%-0.12-0.030.9x20%
볼린저 밴드 돌파
n=50, k=3.1
-7.3%-79.2%-0.13-0.090.3x225%
SMA 크로스오버
fast=54, slow=174
-7.1%-73.4%-0.23-0.100.3x2010%
ROC 모멘텀
n=38, threshold=0.09
-13.2%-94.6%-0.26-0.140.1x12411%
EMA 크로스오버
fast=25, slow=151
-9.9%-86.1%-0.27-0.110.2x187%
Supertrend
period=32, mult=4.3
-15.8%-97.8%-0.32-0.160.0x7217%
Parabolic SAR
step=0.005, maxStep=0.36
-24.9%-99.4%-0.52-0.250.0x18430%
MACD
fast=17, slow=34, signal=15
-31.6%-99.9%-0.64-0.320.0x23354%
Buy and hold-45.7%-100.0%-0.85-0.460.0x1100%
0.0001 0.001 0.01 0.1 1x 2009 2012 2015 2018 2021 2024 ADX / DI 방향성Keltner 채널 돌파Buy and hold
Keltner 채널 돌파 (Sharpe leader), ADX / DI 방향성 (CAGR reference), Buy and hold.
0% -25% -50% -75% -100% 2009 2012 2015 2018 2021 2024 Buy and holdADX / DI 방향성Keltner 채널 돌파
Keltner 채널 돌파 maximum drawdown -48.5% (2020-03-23 → 2025-04-10), prior peak not yet recovered.

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 selected on the same full-history sample using sharpe over 40 trials per strategy, so results contain in-sample bias. 0.5% trading costs are included; taxes, slippage and rejected orders are not.
Re-run the same setupAll asset reports

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