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Hello Juisen25,
I am guessing that you mean broker when you say host.

I really don't know a lot about non-U.S. brokers since I reside in the U.S. and nearly no non-U.S. broker will open...

Yes, there is intervention in the central banks.

Some brokers do run stops, when quantity is low. That is markets for approximately as long as there have been stop loss orders.

There...

Hi Alessandro,
Thanks for the Norges Bank Working Paper. It was great to see again, although I'd read it before quite a while ago.

I will see that you have put a lot of effort into trying...