You can find the tick prices history for the desired instrument in the "Reports" section.
Desktop
Hover over your name in the upper right corner and select the "Reports" section.
Choose "Tick prices" tab.
Select the desired instrument from the dropdown list.
Select the account, date and time.
Click "Set".
When selecting the date and time (which must be accurate to the minute), the report covers a two-minute period + a period including 30 seconds before and after the selected time.
Mobile app
Go to the "More" tab and select "Reports".
Choose "Tick prices" tab.
Select the desired instrument from the dropdown list.
Tap "Filter" and select the appropriate account, date, and time.
Click "Set".
When selecting the date and time (which must be accurate to the minute), the report covers a two-minute period + a period including 30 seconds before and after the selected time.