Series 3 A securities license entitling the holder to sell commodities or futures contracts. Investopedia Says: The Series 3 exam is administered by the NASD, covering topics such as options, futures, hedging, margin requirements, and regulations. Related Terms: Broker NASD Series 11 Series 24 Series 26 Series 27 Series 30 Series 31 Series 4 Series 55 Series 6 Series 63 Series 65 Series 7 |