Hmm. it seems my prog did calc it wrongly. It should be something like 42 or so,instead of my said 38 :-(
I just verified it: DTE=38 on 8/9 is correct for ExpDate Sep-16!
But when you say DTE=52, do you still mean Sep-16, or maybe a later ExpDate?
No. I mean it was 52DTE at the point of inception, when the trade was made on 8/9.

That