According to CoinMeta, international oil prices fell significantly on the 21st. As of the close of trading that day, the price of light crude oil futures for October delivery on the New York Mercantile Exchange dropped by $4.52, closing at $95.78 per barrel, a decrease of 4.51%. The price of London Brent crude oil futures for November delivery fell by $3.53, closing at $100.34 per barrel, a decrease of 3.4%.