It's very interesting to see the (153 pages long) filling from BATS: http://cdn.batstrading.com/resources/regulation/rule_filings/pending/2016/SR-BatsBZX-2016-3

It's very interesting to see the (153 pages long) filling from BATS: http://cdn.batstrading.com/resources/regulation/rule_filings/pending/2016/SR-BatsBZX-2016-30.pdf http://cdn.batstrading.com/resources/regulation/rule_filings... Specially the legal stuff (they are incorporated as Delaware Trust), and that they will track the price bitcoin in the Gemini Exchange at 4pm.