Once an instrument is displayed in the pricing page you can always update the market data displayed.
If the trade date is:
The current trade date, when you update the rates, the latest saved rates in the system are displayed in the page.
In the past, when you update the rates the saved end-of-day rates for that trade date are displayed in the page.
To see the most up-to-date market data for the instrument:
Click Refresh.