Shock S&P 500

April 2025 tariff sell-off

Sweeping US tariffs announced in early April triggered a global sell-off. Gold and bitcoin both rose at times as investors searched for havens, before a partial policy reversal.

Dates checked against the price data: researched window 2025-04-02 to 2025-04-08; measured 2025-03-25 to 2025-04-08 (start shifted by -8 days, end by +0 days).

Market move-13.7%2025-03-25 to 2025-04-08
Window10 trading days
Back at the prior peak23 trading daysafter the trough, on 2025-05-12
Next 3 months+26.4%63 trading days after the end
Strategies lost less98%61 / 62
Already out going in53%33 / 62

Price around the event

85%93%101%110%118%2025-012025-022025-032025-042025-052025-062025-072025-082025-09
S&P 500 · window start = 100%; shaded = event window; from 60 trading days before to 120 after

How the strategies did

Of 62 rule-based strategies with a curve on S&P 500, 33 (53%) were already out of the market going in. 61 (98%) lost less than the market (-13.7%), 1 (2%) finished the window with a gain, and the median strategy returned -1.7%. Strategies that were in the market returned a median -6.7%; those that were already out returned 0.0%. In the following three months the median strategy returned +7.7%.

FamilyStrategiesAlready outMedian returnLost less than the market
Trend2458%-0.6%96%
Momentum425%-9.4%100%
Mean reversion1573%-1.7%100%
Volatility633%-4.0%100%
Regime & other1338%-1.2%100%

62 of 72 strategies have a curve on S&P 500. Portfolio, basket and multi-asset strategies without one are excluded.

All strategies on S&P 500

StrategyFamilyReturn in windowIn the market going in?Max drawdown in windowNext 3 months
TREND-14 Linear Regression ChannelTrend+1.8%In0.0%-10.5%
ADX-01 ADX Trend FilterTrend0.0%Out0.0%0.0%
COMBO-03 Divergence StrategyRegime & other0.0%Out0.0%0.0%
KC-01 Keltner Channel BreakoutTrend0.0%Out0.0%+7.7%
MOM-06 Residual MomentumMomentum0.0%Out0.0%+4.6%
MOM-10 Accelerating MomentumTrend0.0%Out0.0%+5.4%
MR-04 Ornstein-Uhlenbeck Mean ReversionMean reversion0.0%Out0.0%0.0%
MR-07 Hurst-Filtered Mean ReversionMean reversion0.0%Out0.0%0.0%
MR-13 TRIX ReversionMean reversion0.0%Out0.0%0.0%
REG-10 HMM Regime DetectionRegime & other0.0%Out0.0%+11.5%
REG-14 Volatility Regime SwitchVolatility0.0%Out0.0%+7.3%
RISK-03 Stop Loss OverlayRegime & other0.0%Out0.0%+13.9%
SUPER-01 SupertrendTrend0.0%Out0.0%+10.7%
TAIL-01 Crisis AlphaRegime & other0.0%Out0.0%-3.7%
TREND-02 Donchian BreakoutTrend0.0%Out0.0%+5.6%
TREND-10 Ichimoku CloudTrend0.0%Out0.0%+12.3%
TREND-11 Kaufman Adaptive Moving AverageTrend0.0%Out0.0%+15.6%
TREND-15 Darvas BoxTrend0.0%Out0.0%+10.7%
TREND-16 Aroon IndicatorTrend0.0%Out0.0%+10.7%
TREND-19 Elder Triple ScreenTrend0.0%Out0.0%0.0%
TURTLE-01 Turtle TradingTrend0.0%Out0.0%+10.8%
VOL-01 Volatility BreakoutVolatility0.0%Out0.0%-3.3%
MR-02 Bollinger Band ReversionMean reversion-0.2%Out-0.2%+3.5%
STAT-10 Dynamic Hedge Ratio PairsRegime & other-0.2%In-1.5%+5.0%
MR-16 Connors RSIMean reversion-1.1%Out-1.7%+12.1%
MACRO-02 Risk-On/Risk-Off SwitchRegime & other-1.2%In-5.0%+13.5%
MACRO-03 Flight to QualityRegime & other-1.2%In-5.0%+13.4%
REG-01 Regime SwitchRegime & other-1.2%In-1.2%+0.9%
TREND-17 Chandelier ExitTrend-1.2%In-1.2%+7.2%
STAT-11 Cointegration BasketMean reversion-1.4%Out-1.6%+2.2%
MR-12 Money Flow Index ReversionMean reversion-1.7%Out-1.7%+7.8%
MR-01 RSI Mean ReversionMean reversion-1.7%Out-1.7%+10.5%
EVENT-01 Trend + Macro FilterTrend-2.5%In-3.4%+4.5%
TREND-20 Vortex IndicatorTrend-2.8%Out-3.4%+15.7%
HMA-01 HMA CrossoverTrend-3.4%In-3.4%+3.2%
COMBO-04 Trend + Mean Reversion HybridTrend-3.4%In-3.4%0.0%
RISK-04 Trailing Stop StrategyTrend-3.4%Out-3.4%+13.7%
SAR-01 Parabolic SARTrend-3.4%In-3.4%+13.3%
MR-14 Detrended Price OscillatorMean reversion-3.4%In-3.4%+0.9%
COMBO-01 Bollinger-Keltner SqueezeVolatility-3.4%In-3.4%+2.3%
VOL-13 Volatility Regime StrategyVolatility-4.5%In-4.5%+15.8%
MACRO-01 Cross-Asset MomentumRegime & other-5.1%In-6.4%+19.7%
TREND-18 Coppock CurveTrend-5.6%Out-5.6%+14.8%
CAL-01 Turn of MonthRegime & other-5.6%Out-5.6%+6.3%
VOL-10 Volatility Risk PremiumVolatility-6.7%In-6.7%+6.8%
TREND-12 MACD StrategyTrend-6.7%In-6.7%+7.1%
COMBO-02 MACD + RSI FilterMomentum-6.7%In-6.7%+5.4%
MR-05 CCI Mean ReversionMean reversion-7.3%In-7.3%+4.2%
RP-01 Volatility TargetVolatility-7.4%In-7.4%+12.9%
MR-15 Ultimate OscillatorMean reversion-7.5%Out-7.5%+10.5%
MR-06 Z-Score Mean ReversionMean reversion-7.5%In-7.5%+10.5%
FACTOR-05 Multi-Factor CompositeRegime & other-8.8%In-9.1%+16.5%
MR-10 Stochastic Oscillator ReversionMean reversion-10.6%Out-12.1%+10.5%
MR-11 Williams %R ReversionMean reversion-10.6%In-12.1%+10.1%
MR-03 Kalman Filter Mean ReversionMean reversion-10.7%Out-12.1%+10.9%
MOM-11 Momentum Crash ProtectionMomentum-12.1%In-12.1%+4.4%
MOM-03 52-Week High MomentumMomentum-12.2%In-12.2%+7.7%
MOM-01 Time-Series MomentumTrend-12.2%In-12.2%+14.4%
RISK-01 Drawdown ControlRegime & other-13.3%In-13.3%+22.4%
TREND-05 Dual Moving AverageTrend-13.7%In-13.7%+7.8%
SEAS-01 Monthly SeasonalityRegime & other-13.7%In-13.7%+12.5%
TREND-13 Triple Moving AverageTrend-13.7%In-13.7%+18.2%

Sorted by return in the window, best first. "In the market" is inferred from the equity curve (see method). Next 3 months = 63 trading days after the window end.

Other markets in the same window

MarketMoveStrategiesAhead of the marketAlready outMedian return
Gold-1.2%5673%38%0.0%
Bitcoin-12.8%5696%57%-0.7%

Same calendar window as the main market. "Ahead of the market" = strategy return above the market's return over the window.

All event replays · Today's regime on S&P 500

Method: windows are snapped to the price data, returns come from the published equity curves before costs, and "already out" is inferred from the curve. See the method on the hub page. Historical, descriptive statistics before trading costs. Not a forecast and not investment advice.

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