Interactive Brokers is an American company offering one of the most popular Trading platforms globally and, yes, Interactive Brokers opens accounts to clients residing in New Zealand. However, please note that the platform might not be suitable for Beginners since simplicity is not how you would describe it. It does offer many features for Pro Traders, but if you are not part of a Dealing Desk of a Big Financial Institution, perhaps you might want to try a simpler [And cheaper] option.
Plus500 is a NZ-regulated trading platform, that has been classified as one of the top CFD trading platforms available. As per their own Annual Statement, it is the number one CFD provider in both the UK and Germany in terms of number of Traders.
Plus500 allows access to international markets trading first through a Free Simulator of its Multi Awarded Trading Platform and then, through a simplified account opening process: They will ask you to upload your ID (Passport or Driver's License) and a Proof of Residence. Plus500's trading platform, called Webtrader, offers CFDs on Stocks, Indices, ETFs, Commodities, Forex and Cryptocurrencies. Definitely worth trying it.
Plus500AU Pty Ltd (ACN 153301681) is licensed by: ASIC in Australia, AFSL #417727, FMA in New Zealand, FSP #486026; Authorised Financial Services Provider in South Africa, FSP #47546. You do not own or have any rights to the underlying assets. Please refer to the Disclosure documents available on the website.
PLUS500 FOR NEW ZEALANDER RESIDENTS: TRADE CFDS [AN ALTERNATIVE TO INTERACTIVE BROKERS]
Remember that CFDs are a leveraged product and can result in the loss of your entire capital. Trading CFDs may not be suitable for you. Please ensure you fully understand the risks involved. Please consider our Risk Disclosure Statement and User Agreement before using our services.