is the series 65 harder than the series 66 
the series 65 is another iar licensing credential offered by the north american securities administrators association nasaa the series 66 exam is relatively new it was created by nasaa in response to requests from broker dealers and other financial services firms it is essentially a combination of series 63 and series 65 but since a co requisite for taking the exam is successful completion of the series 7 exam it does not include the product analysis and strategy questions that are a large part of the series 65 while the pass fail rates for these exams are not publicly available many consider the series 66 exam less difficult than the series 65 because it has 30 fewer questions and does not include topics from the series 7 