According to CoinMeta, international oil prices showed mixed trends on the 21st. As of the close of trading that day, the price of light crude oil futures for December delivery on the New York Mercantile Exchange fell by 67 cents to close at $97.15 per barrel, a decrease of 0.68%. Meanwhile, the price of London Brent crude oil futures for December delivery rose by 3 cents to close at $108.82 per barrel, an increase of 0.03%.