...
if (security.Bars[i].Date.Minute == 2 && security.Bars[i].Date.Hour == 19 
                    && security.Bars[i].Date.Day == 25 && security.Bars[i].Date.Month == 2 
                    && security.Bars[i].Date.Year == 2015)
                {
                    security.Positions.SellIfLess(i + 1, 1, 61643, "SE");
                    ctx.Log("Short attempt!", 0xff0000);
                }
...