A "natural" circuit-break works just as well, maybe even better than the CME proposed circuit breakers. Let the market just do its work:
View attachment 179926
Just to clarify it's Dec 18th, 2017, not Dec 2018 which is what I assumed when I saw the headline.Bitcoin futures launch to be Dec. 18
https://seekingalpha.com/news/3315669-bitcoin-futures-launch-dec-18
CME FAQ
http://www.cmegroup.com/education/cme-bitcoin-futures-frequently-asked-questions.html
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