Series 4

Series 4

An exam one must pass to become a registered options principle, which authorizes one to regulate and supervise the options trading of the firm for which one works. The exam tests one's knowledge of options and options trading; specifically, it deals with equity options, debt options, index options, currencies, and strategy, among other things. One must already have a Series 7 license in order to be eligible for this exam. It is administered by the Financial Industry Regulatory Authority.
Farlex Financial Dictionary. © 2012 Farlex, Inc. All Rights Reserved
References in periodicals archive ?
Despite what a third-party teardown claimed earlier this week, the official specs sheet for the new Apple Watch Series 4 revealed that the new models have smaller battery capacities than last year's Series 3 models. 
In the official specs sheet, the Apple Watch Series 4 models are listed as having less battery capacities than their counterparts from the Series 3.
Based on the data presented, the 44mm Series 4 model has around 16.5 percent less battery capacity than the 42mm Series 3 model.
Apple even boldly markets its Series 4 smartwatches as having the same 18-hour battery life as their predecessors. 
According to (https://appleinsider.com/articles/18/09/25/apple-watch-series-4-has-smaller-batteries-than-series-3-official-specs-show) AppleInsider , the battery life of the Apple Watch Series 4 models are just as long as that of the Series 3 models because of the improved power consumption of the former.