Time Series/SS 13... what are the chances it WON'T be on the exam??

It is driving me f-ing crazy… after getting through the rest of Quant earlier this weekend I am just ready to give up on time series. I can’t understand a thing from the CFAI text. Tips/pointers/advice anyone??

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Schweser made it relatively easier to comprehend I think over the curriculum books. Just an opinion.