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Crisis/LiquidationPROSeptember 15-19, 2008

2008 Lehman Week

September 15-19, 2008

The week Lehman Brothers collapsed and the global financial system nearly imploded. A classic bank-contagion crisis.

What Happened

Lehman Brothers filed for bankruptcy

Fed Action

The Federal Reserve broadened liquidity support for primary dealers

S&P 500 ETF proxy (SPY)

120.09

-4.76%
VIX

31.70

+23.54%
HY Spreads

905 bp

Above generated high-spread boundary

Session

Monday

Sep 15, 2008

What VantMacro Would Have Shown

Regime

Crisis/Liquidation

Classifier accuracy has not been calibrated

Most Likely Next

PostShockRecovery

Observed next-regime frequency: 37.1%

Historical Duration

Median: 3 days

Based on 116 observed periods

Compare to 397 Historical Transitions

Compare this case study with the generated regime history from 2003-12-25 to 2026-07-16.

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Full regime history (2003-12-25 to 2026-07-16)
Asset performance by regime
Observed transition frequencies

This case study uses historical data for educational purposes. Past performance does not guarantee future results. The regime classifications shown are based on VantMacro's empirical framework applied retrospectively.