Union Pacific (UNP) is seeing an increase in buying interest in the January deep out of the money call options following a three-day rally in transportation stocks. The Dow Jones Transport Average added 102 points Tuesday through Thursday. Today, UNP is up 51 cents to $80.86 and calls with strike prices ranging from 90 to 100 are trading on the bid. In all, 11,000 calls have traded, compared to 414 points. Directional sentiment based on Trade Alert data is an overwhelming 95 percent bullish.