Also, the C-CEX exchange posts notices in the bitcointalk.org forum at
https://bitcointalk.org/index.php?topic=418700.msg26317123#msg26317123Here is a notice about the extended holiday closing that was posted in mid December.
C-CEX holidays vacations!
From December, 20 till approximately January 20 we will switch to "limited service" mode for New Year vacations.
We will: provide trading service, API trading service, C-CEX codes creation and redeeming, fiat deposits and withdrawals.
We will not: provide all cryptocoin and tokens deposits and withdrawals, support ticket service.
If you need your cryptocurrency to trade here or elsewhere during "limited service" period - please, deposit or withdraw it before December, 20. Please, do not send any deposits during "limited service" period as they will not be posted to balances.
We will resume normal service after January, 20. We may resume normal service earlier.
Happy upcoming holidays!!!