(Kitco News) - Open interest for Comex gold options once against set a record on Tuesday, CME Group says. The number of open positions at the end of the day reached 1,456,677 contracts, surpassing the previous record of 1,448,222 contracts from Monday. On that day, Comex gold options open interest eclipsed a record of 1,444,251 contracts that had just been set on Friday.