The current price of Brent Crude Futures is 87.00 USD — it has risen 1.86% 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 Brent Crude Futures this number is 610.31 K. You can use it to track a prevailing market trend and adjust your own strategy: declining open interest for Brent Crude Futures shows that traders are closing their positions, which means a weakening trend.