I and some others explained this in another thread [0] about a week ago. The basic explanation is that because of a simple arbitrage relationship between future

I and some others explained this in another thread [0] about a week ago. The basic explanation is that because of a simple arbitrage relationship between futures and spot, prices in these markets are tightly linked regardless of how the futures contracts are settled. 0. Read the replies to this comment: https://news.ycombinator.com/item?id=15895477 https://news.ycombinator.com/item?id=15895477