How is the trading volume calculated?

https://www.pfd-nz.com/  

Pacific Financial Derivatives is owned and operated by Pacific Financial Derivatives Ltd, a company regeistered in New Zealand and supervised and authorized by the New Zealand's Financial Markets Authority (NZ FMA) bearing license No. FSP28944.

As for the question you asked, we would recommend that you check the broker's official website or ask the official customer service directly for a more accurate answer. For more details on this broker, please check our full Pacific Financial Derivatives review.