# How do crude oil futures hedge crude oil spot risk after the COVID-19 outbreak? A wavelet denoising-GARCHSK-SJC Copula hedge ratio estimation method

> Research article (Physica A Statistical Mechanics and its Applications, 2022) · cited 18× · AI/ML

**Wikidata**: [openalex:W4297538027](https://www.wikidata.org/wiki/openalex:W4297538027)  
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