Deriv Live Chat is open for the following hours:
From Monday to Friday, 8am to 8pm 
In order to contact the Deriv customer care team via live chat, follow the link below, once you are on the page, look for a chat button at the bottom right side of the page, as shown in the image below. Once you click on the chat icon, a form will appear where you need to input your name and email.
To access the Deriv Live Chat please click on the link below
How do I speak to a person at Deriv?
Deriv customer service is available through their live chat feature on their website. You can also reach customer service by emailing support@deriv.com. If you need to speak to someone in customer service by phone, the number to call is +44 20 3322 3265. Deriv customer service hours are Monday to Friday 8:00am-8:00pm GMT.