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Anomaly Detection for S&P 500 Index

Data updated 2025-Apr-14 (Monday)
  Discover unusual performance and technical indicator levels for S&P 500 Index and instantly analyze similar historical situations. Found historical analogues are aggregated to display observed performance leading up to and after those levels. Customize performance metrics & indicators below to view trailing/subsequent history to similar historical analogues of selected metrics

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Anomaly Metrics
Customize selection of various metrics & click Update to see historical performance summary for similar anomalous levels below (default uses all observed anomalies)

Select Metric Current Value Importance n5d n10d n20d n50d n100d n200d
100-d Performance -6.5% 85 +0.8% +1.9% +3.1% +5.4% +6.7% +12.5%
100-day Relative Volume 1.12x 85 +0.4% +0.8% +1.2% +2.8% +4.1% +7.1%
% off 200d SMA -1.5% 85 +0.5% +1.2% +2.2% +3.4% +3.7% +10.8%
Streak Return -0.1% 80 +0.4% +0.8% +1.5% +2.8% +4.8% +9.7%
Chaikin A/D 2.04 Trillion 80 +0.4% +0.7% +1.4% +2.9% +4.6% +2.5%
50-d Performance -3.4% 80 +1.2% +2.4% +3.7% +5.4% +7.1% +11.4%
50-day Relative Volume 1.09x 80 +0.4% +0.9% +1.6% +3.1% +5.3% +8.9%
% off 100d SMA -2.0% 80 +1.3% +1.8% +3.9% +6.0% +7.1% +11.2%
200-d Upswing -7.9% 80 +1.1% +1.3% +2.4% +5.4% +8.0% +12.8%
% off 200d EMA +0.4% 80 +0.7% +1.3% +2.8% +3.6% +4.5% +11.2%
MACD 43.65 75 +1.5% +4.7% +1.9% +7.6% +8.3% +2.3%
ADX 17.5 75 +0.4% +0.6% +1.1% +3.0% +4.4% +9.4%
OBV 1.29 Trillion 75 +0.4% +0.7% +1.3% +3.0% +5.0% +6.2%
30-d Performance -0.6% 75 +0.8% +0.7% +2.5% +5.2% +5.3% +9.6%
% off 50d SMA +2.0% 75 +1.0% +0.4% +2.6% +5.5% +5.2% +9.5%
100-d Upswing -7.9% 75 +1.3% +1.4% +2.8% +4.1% +5.9% +12.8%
% off 100d EMA -0.2% 75 +0.8% +0.6% +2.4% +4.3% +4.8% +9.3%
20-d Performance +7.4% 70 +0.7% +1.5% +3.0% +4.1% +6.9% +7.5%
% off 30d SMA +3.9% 70 +0.5% +1.2% +2.7% +3.9% +6.4% +8.7%
50-d Upswing -5.4% 70 +0.8% +1.6% +3.1% +3.6% +5.5% +10.4%
% off 50d EMA +1.3% 70 +0.6% +0.3% +2.5% +4.3% +5.3% +9.0%
10-d Performance +2.4% 65 +0.8% +1.5% +3.1% +4.2% +7.2% +9.5%
10-day Relative Volume 0.99x 65 +0.4% +0.5% +1.5% +3.2% +5.3% +10.0%
30-d Downswing +17.1% 65 +0.3% +0.6% +0.9% +2.4% +5.0% +11.6%
30-d Upswing -1.1% 65 +0.6% +0.9% +2.5% +4.7% +6.5% +8.9%
% off 30d EMA +2.1% 65 +0.7% +1.0% +2.9% +4.2% +6.8% +9.4%
Avg. 100-d Down performance -1.2% 65 +0.2% +0.5% +1.4% +3.1% +6.0% +14.3%
5-d Performance -0.5% 60 +0.5% +0.7% +1.3% +2.5% +4.5% +10.0%
20-d Downswing +10.9% 60 +0.4% +0.8% +1.2% +2.9% +5.5% +11.4%
20-d Upswing -1.1% 60 +0.6% +0.7% +2.6% +4.6% +8.0% +7.5%
Avg. 30-d Up performance +1.4% 60 +0.6% +1.0% +1.8% +3.2% +5.1% +9.1%
Avg. 50-d Down performance -1.7% 60 +1.0% +2.0% +4.3% +5.0% +5.9% +16.3%
Day's Relative Volume 0.55x 55 +0.5% +0.7% +1.9% +2.9% +3.8% +10.9%
% off 5d SMA +0.3% 55 +0.4% +0.8% +1.4% +2.6% +4.8% +10.0%
10-d Downswing +4.2% 55 +0.5% +0.8% +1.6% +3.0% +4.9% +10.9%
10-d Upswing -1.1% 55 +1.1% +1.5% +3.0% +4.5% +8.1% +10.6%
Avg. 20-d Up performance +1.0% 55 +0.6% +1.1% +2.0% +3.4% +5.2% +10.0%
Avg. 30-d Down performance -2.0% 55 +0.1% +0.9% +1.7% +6.5% +4.7% +11.6%
Intraday Downswing -0.6% 50 +0.5% +1.0% +1.9% +3.5% +5.4% +9.0%
5-d Downswing +1.5% 50 +0.5% +0.9% +1.6% +3.1% +5.3% +10.4%
% off 5d EMA +0.3% 50 +0.4% +0.7% +1.3% +2.5% +4.3% +10.0%
Avg. 10-d Up performance +0.6% 50 +0.7% +1.1% +2.1% +3.3% +5.1% +9.5%
Avg. 20-d Down performance -1.0% 50 +0.4% +1.8% +1.5% +6.2% +0.9% +9.0%
Avg. 5-d Up performance +0.5% 45 +0.7% +1.1% +2.0% +3.5% +5.1% +9.7%
Avg. 10-d Down performance -0.5% 45 +0.5% -0.4% +2.1% +3.7% +13.5% +27.9%
Avg. 5-d Down performance -0.5% 40 +1.4% +1.6% +2.3% +5.7% +6.5% +12.7%


 Selections   100-d Performance   100-day Relative Volume   % off 200d SMA   Streak Return   Chaikin A/D   50-d Performance   50-day Relative Volume   % off 100d SMA   200-d Upswing   % off 200d EMA   MACD   ADX   OBV   30-d Performance   % off 50d SMA   100-d Upswing   % off 100d EMA   20-d Performance   % off 30d SMA   50-d Upswing   % off 50d EMA   10-d Performance   10-day Relative Volume   30-d Downswing   30-d Upswing   % off 30d EMA   Avg. 100-d Down performance   5-d Performance   20-d Downswing   20-d Upswing   Avg. 30-d Up performance   Avg. 50-d Down performance   Day's Relative Volume   % off 5d SMA   10-d Downswing   10-d Upswing   Avg. 20-d Up performance   Avg. 30-d Down performance   Intraday Downswing   5-d Downswing   % off 5d EMA   Avg. 10-d Up performance   Avg. 20-d Down performance   Avg. 5-d Up performance   Avg. 10-d Down performance   Avg. 5-d Down performance
Trailing & Subsequent Performance summary (median & range) for similar Anomalous levels in history for S&P 500 Index



  Aggregated Performance observed for similar anomalous levels of the selected metrics in history for S&P 500 Index
  Trailing Performance  Subsequent Performance
 Days Recent Median Range Distribution Days Median Range Distribution
  Trailing 5-0.5%-0.3%-11.4% +11.3%
50% ↑
50% ↓
 Next 5+0.7%-14.6% +9.6%
60% ↑
40% ↓
  Trailing 10+2.4%-0.6%-14.6% +13.2%
45% ↑
55% ↓
 Next 10+1.1%-20.8% +12.0%
62% ↑
38% ↓
  Trailing 20+7.4%-1.6%-18.6% +16.3%
40% ↑
60% ↓
 Next 20+2.2%-21.5% +14.7%
66% ↑
34% ↓
  Trailing 50-3.4%-1.8%-21.6% +23.4%
42% ↑
58% ↓
 Next 50+4.0%-17.2% +23.2%
74% ↑
26% ↓
  Trailing 100-6.5%-0.7%-19.0% +26.3%
46% ↑
54% ↓
 Next 100+5.7%-17.7% +32.9%
72% ↑
28% ↓
  Trailing 200+1.9%+3.2%-22.7% +34.0%
57% ↑
43% ↓
 Next 200+10.3%-17.7% +48.2%
77% ↑
23% ↓

Related to S&P 500 Index

Information for S&P 500 Index
  : Recent daily/monthly performance & benchmark comparison
  : Historical performance & related information using Time Machine
  : Investigate unusual recent performance & technicals with historical context using AI Currently Viewing
  : Seasonal performance by calendar months
  : Popular Technical indicator trends (RSI, MACD etc.)
  : Contextualizing recent performance & technical levels into historical decile buckets
  : Dollar Cost Average (DCA) over time in your portfolio
  : Key Simple & Exponential Moving Averages
  : Insights from closest historical matches to recent performance using Artificial Intelligence
  : Insights from similar historical charts to recent chart using Artificial Intelligence
  News Stories : News stories on 2025-May-09 on Google

Compare S&P 500 Index with other assets
  : Recent performance across covered assets
  : Prior & Subsequent performance across assets on a historical date
  : Technical indicator levels across covered assets
  : Seasonal performance by calendar months across covered assets
  : Performance Correlations with other assets
  : Volatility relative to the broad market
  : Visually compare/benchmark performance with other assets over time
  : Contrast with other assets over time in a side-by-side presentation
Analyze S&P 500 Index in multiple dimensions using above resources. Other comparable assets include other stocks/etfs/crypto etc.










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