As a licensed floor broker he was a filling broker in the silver pit back in the days when silver ran to $ 55 an ounce. (resourceinvestor.com)
Implemented orders directly with floor brokers and OTC market makers. (resumemycareer.com)
As a floor broker trading in the gold «pit,» his deals had earned about $ 350,000 for his employer, Niederhoffer, Cross & Zeckhauser, Inc., which speculates in commodities. (si.com)