The nearest expiration date for RME Biodiesel FOB Rdam (Argus) (RED Compliant) vs. Low Sulphur Gasoil Futures (Jul 2016) is Aug 1, 2016.
The best time to sell a futures contract is when you've already made money on the investment, but still have plenty of time left before the expiration date. Thus, a good option would be to sell RME Biodiesel FOB Rdam (Argus) (RED Compliant) vs. Low Sulphur Gasoil Futures (Jul 2016) before Aug 1, 2016.