July soybeans advanced 20.25 cents on heavier than normal volume of 171,747 contracts. Volume was the highest since May 9 when July soybeans advanced 17.50 cents on volume of 172,535 contracts and total open interest increased by 773 contracts. On May 19, total open interest increased by a massive 8,687 contracts, which relative to volume is approximately 100% above average. Surprisingly, the July contract gained open interest of 1,221, which has rarely been the case. For example, on May 9, the May and July contracts lost a total of 3435 of open interest. Yesterday, open interest increased in the July 2014 through March 2016 contracts.