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peaks-over-threshold

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An End-to-End Python implementation of Köhler et al.'s (2026) orthogonalized tail-risk framework. Combines PCA-whitening spectral decomposition with Peaks-Over-Threshold EVT to quantify extreme risks in 479-dimensional financial networks. Implements Ferro-Segers clustering, dynamic residualization, and out-of-core processing for 2.6B+ data points.

  • Updated Mar 7, 2026
  • Jupyter Notebook

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