Your graph shows a $0.40 increase since January.
Your point?
Speculation drives the market, like how the policies of a anti-fossil president who just won will hamper the industry. Notice the upward trajectory in November. Also, speculating on how shutting down the pipeline not even 24 hours into his presidency will effect the industry. Notice the increased upward trajectory in January.
Buy low and sell high, and the more who get this idea in their head, the prices go up faster.