Hello,
I'm running dating offers on Traffic Stars using their native inventory.
I have one big problem with them: after 2-3 days running green suddenly the traffic's quality drops dawn drastically and i received only "empty" clicks. Same sites, same spots but the traffic just don't convert. And its pretty strange because i can't believe one offer and funnel converts well one day and next 1-2 days is shit an don't have conversions hours and hours (including in the evenings). I suppose its a "bid war", but not sure. Do you face same problem with them and yes, how to fight with it? I had few conversations with my AM there but he said "everything is ok". but i'm not agree with him. Btw i'm bidding higher sometimes, but this just don't helps me 
second question is about their retargeting - how to setup it. Again my AM didn't helped me with it - he just copy the paste their manual. Im following it but cant make it work unfortunately.
Also what is the average landing page's CTR? My campaign is in Spain and CTR is btw 9% and 15-17% where the higher CTR is from landing pages with pictures and the lower CTR is from landing pages with "videos" like Instagram imitation's LP
I will appreciate any help. Thanks
This can be either a bidding problem, as you mentioned, or it's related to the traffic rotation. Maybe they sold part of the traffic in bulk to someone, so you're not getting the clicks that converted anymore. In many cases, it helps to either pause the campaign and restart it later on, or create a new one with the same targeting. They need to sell all the traffic, but not all of it converts, so all networks rotate it in one way or another.
I had problems like that with them too, even with CTRs, suddenly the CTR drops to almost 0% without any changed from my side. But as I said, it happens with any network out there... sometimes it might be a bug too, had that happen to me several times too.
Try to pause/clone the campaigns to see if it helps any.
@matuloo - thank you about the answer. The most interesting part is I was buying flat 
I also think it can be a bug in their algo...
When i pause or clone the campaign sometimes it happens even worse
Actually the only spot/site there i can't make profitable is xhamster, but this is their best spot with higher volumes.
Any advices about the retargeting?
Thanks again.
IS there any good native adult networks out there? I think TJ still dont have native.
I usuall buy just xhamster traffic from them too.