it is long position in the company CLB (Core Laboratories NV) and short position in the company GLF ( Gulfmark Offshore , Inc.).
Stocks of the company CLB are stronger than GLF since 2004. Now we have a good impuls/momentum in this papers ( CLB vs GLF ). I think that next 2 months stocks of the company CLB will be stronger than GLF .
I reccomend to use a conservative approach: 1/3 of allocated capital use in trade and 2/3 in cash.
The proportions of each company in pair:
Stocks of the company GLF are more than CLB:
* 65% it is long CLB .
* 35% it is short GLF .
This allocation between stocks is necessary for the parity volatilities.