3 days ago i sent 19 XCP from counterparty wallet to poloniex,but until today i don't see my xcp balance in poloniex.Whereas in my balance transaction history I have entered the address poloniex, I also have sent a ticket, asked on twitter, but still no answer.
This is my transaction id
https://xchain.io/tx/1027799
the poloniex staff will answer your question but you need to waiting at least two days after you send the ticket. maybe their wallet is getting trouble or maintenance so your transaction getting pending but i think your XCP deposit will arrive in your account wallet.