You can enter the cTrader trading platform using the contest login and password only AFTER the round has begun.

First of all, сheck you’re trying to enter the right trading platform.

The cTrader Weekly Demo Contest is only available on cTrader! Then check if the contest round is Active.

You can find this information on the main page of your Personal Area.

OctaFX Official Website

You can see the statuses Not Yet started, Active or Finished in the same rows as the cTrader contest accounts.

You can log in to the cTrader trading platform and start trading only if the contest account is marked as Active.

Note that this happens according to server time, not your local time. Server time is EEST.

For more information about the trading contest, please visit the page below.

OctaFX cTrader Demo Contest details