The current price of Nickel Futures is 17735 USD — it hasn't changed 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 Nickel Futures this number is 0. You can use it to track a prevailing market trend and adjust your own strategy: declining open interest for Nickel Futures shows that traders are closing their positions, which means a weakening trend.