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Part of this is to let everyone in the Eastern Hemisphere invest in our markets more easily. I get that. Though I can't put my hands on it right now, I remember looking at some research that said the longer trading hours are, the more volatile prices get.

I'm a one-man RIA with about 30 clients. There is no way I will do any significant trading outside current normal hours. My concern is that liquidity might diminish during current normal hours. Then again, I tend to be a patient trader, adding liquidity, not demanding liquidity, so maybe I could get some better executions in the new hours.

This will turn price volatility due to news releases into an instant thing, rather than a gap from the close to the open.

I don't like it. It's good for markets off all sorts to have time when they are closed so that people can sleep, and the back office can catch up. At T+1 how will they deal with settlement failures? Margin calls? I guess we will have to learn the hard way.

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