It's trying to pick which price it wants to go to from 37. Hence the price action, its like do i want to go to 38, 39, 40, 41 or should I stay at 37 hence why the price is 37.38, 37.39, 37.40, 37.41... Crude is very indecisive when it comes to decision making it takes really a very long time for most humans to bear.