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The Wider Interval Was More Honest
A regime-aware conformal method traded sharpness for more dependable coverage across 48 inflation, macroeconomic, energy and market series.
Summary
A regime-aware conformal method traded sharpness for more dependable coverage across 48 inflation, macroeconomic, energy and market series.
DRACP combines weighting for shifts and local regimes with an online controller that adjusts the target significance level. It was not the narrowest method: a strongly adaptive comparator produced intervals about 20 percent tighter. DRACP instead came closest to nominal 90 percent coverage at 0.890, never fell below 0.80 on any series and undercovered on 10 of 48 series versus 20 for that tighter comparator. The study frames reliability as an explicit cost in forecast width.
Why it matters
A regime-aware conformal method traded sharpness for more dependable coverage across 48 inflation, macroeconomic, energy and market series.
Limits and context
- It was not the narrowest method: a strongly adaptive comparator produced intervals about 20 percent tighter.
Key claims
A regime-aware conformal method traded sharpness for more dependable coverage across 48 inflation, macroeconomic, energy and market series.
Qualification: It was not the narrowest method: a strongly adaptive comparator produced intervals about 20 percent tighter.
Evidence: source-2026-08-19-008
Sources
- arXiv preprint 2608.17079arXiv · primary research
Corrections
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