There is a clause(2) says includes prior QP Adjustments. The realise Nickel price was only 6.91 for the ending period 30th of June. During that april to june,average Nickel price from kitko around 8.50. Looks like they added the difference (8.5-6.91) to period sept at 8.5 arriving at 10.
MBN Price at posting:
3.0¢ Sentiment: None Disclosure: Held