… growth of gold prices?
Any increase of gold prices is always good news for the premium amount. Moreover, the client can profit from the yield locking in case of a long-term increase of the gold price.
… drop in gold prices?
A drop in gold prices is not good for the yield amount, but for the premium calculation, losses from a possible drop within one period are reduced. Simultaneously, they will be fully reflected in the favourable initial level for the following moth.