One fundamental property that pairs trading requires is the instruments have to be cointegrated in order to ensure a connection between two FX currency pairs. Definition (Cointegration): An n-dimensional time series yt is cointegrated if the linear combination 1y1t + â¦ + n Ynt of the component variables is stationary.
Please note that after 31st December 2011, all U.S. nationals expect to visit Sri Lanka have to apply visa online through ETA (Electronic Travel Authorization) system. A processing fee of $30 will be charged from the applicants. The passport should be valid for at least six months from the date the visa is to be issued. 2  Business visa applications should accompany a letter from the sponsoring agency in Sri Lanka, a letter from the employing company in US and a copy of onward â return air ticket and travel itinerary.
You are allowed to stay in the country for a maximum of 3 months at a time. It is possible to leave the country and re-enter for a further 3 months within the life time of the visa (12 months).Do I need an ETA for all my children, and if so, how do I apply. Yes, unless your children hold Australian passports, they will require ETAs to visit Australia.ince your ETA visa is attached to your old passport number, you will need to re-apply for an ETA that ties to your new passport number. Electronic visas are not transferable between passports. Yes you can, but on an ETA visa you are only allowed to study for a maximum of three months.