[JumpCrisscross]

> some exchanges are SROs

Some exchanges are also in China. Not relevant to this one.

Texas f/k/a Chicago isn’t a separate SRO.

> different exchanges list different securities

Irrelevant for equities due to NMS.

> don't understand why you would think that differences in "market micro structure" equates to "jack shit" differences

There are no proposed microstructure differences.

> for high volume trading

Re-read the thread. I was literally a professional high-volume trader.

People tend to be very reductionist about finance when they really they just dont [sic] fully understand.