The current price of Japanese Yen Futures is 3301.2 BRL — it has risen 0.29% 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 Japanese Yen Futures this number is 6.00. You can use it to track a prevailing market trend and adjust your own strategy: declining open interest for Japanese Yen Futures shows that traders are closing their positions, which means a weakening trend.