The virus has upended the global supply chain for precious metals. Metals refiners in Europe are being forced shut. Ordinarily, banks and traders would ship supplies from other locations to New York in response to such a large Comex premium over the spot London market. But because of the outbreak, some have been reluctant to take advantage of the arbitrage out of fear that flights and truck deliveries will be canceled and trap their supplies ...
Gold Faces Historic Squeeze With Virus Threatening N.Y. Shortage
https://www.bloomberg.com/news/articles/2020-03-24/scramble-for-gold-sends-new-york-premium-to-a-four-decade-high