Oil futures traded volumes on the Tokyo Commodity Exchange rose 3.3% month on month to 492,699 trades in August, according to data provided by the exchange Tuesday.
The increase was seen across the board with the exception of gasoline, which edged down 4.6% to 60,201 trades.
The Dubai crude contract saw a 3.6% month-on-month uptick in liquidity to 413,891 trades, while kerosene contract trades jumped 25.9% over the same period to 16,898.
Liquidity has been steadily rising on the Dubai crude oil contract, with open interest reaching an all-time high of 174,242 contracts on August 17, TOCOM data showed. The Dubai crude contract was first launched on the exchange in September 2001.
Overall commodity derivative activity on TOCOM, however, declined in August, dragged down by sharp falls in traded contracts in the precious metals and agriculture segments.
Precious metals futures trades fell 26.1% to 1,277,601, while agriculture derivatives edged down 23% to 183,335 trades.
This took the total number of commodity derivative trades on the exchange down 20% to 1.95 million.