They didn’t spoof trades. They placed orders without the intent of trading anything.
> The order finds that, from at least 2008 through 2016, JPM, through numerous traders on its precious metals and Treasuries trading desks, including the heads of both desks, placed hundreds of thousands of orders to buy or sell certain gold, silver, platinum, palladium, Treasury note, and Treasury bond futures contracts with the intent to cancel those orders prior to execution.