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.
Sri Lanka Immigration and Emigration may grant or issue a visa to you if 1  -. Sri Lanka Immigration & Emigration is satisfied that you are suitable to enter Sri Lanka. 2  Sri Lanka Immigration & Emigration approves the purpose for which you are entering Sri Lanka. Sri Lankan visa is an endorsement on a passport or a similar document to facilitate the legal entry of non Sri Lankans into the country and to regulate the period of their stay and the conditions governing such stay.