The current price of New Zealand Dollar Futures is 2988.5 BRL — it has risen 0.08% in the past 24 hours.
Open interest is the number of contracts held by traders in active positions — they're not closed or expired. For New Zealand Dollar Futures this number is 1.00. You can use it to track a prevailing market trend and adjust your own strategy: declining open interest for New Zealand Dollar Futures shows that traders are closing their positions, which means a weakening trend.