Absolutely not. If it was not for the numerous optional reading segments, I would be really really frustrated. Sorry for the rant, but I am taking a break. If anyone else wants to make a pointless rant go ahead. I apologize again in advance for taking up bandwidth.
it was , till swaps came along.
i’m not even close to derivatives 
however, i think after reading Time Series continously for three times, i’m a master in it. well, until tomorrow when i forget it again.
Haha, I skipped quant just for that reason. I’m saving it for last.