The current price of Vinci Futures is 119.0419 EUR — it has fallen 1.09% 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 Vinci Futures this number is 0. You can use it to track a prevailing market trend and adjust your own strategy: declining open interest for Vinci Futures shows that traders are closing their positions, which means a weakening trend.