How do I refresh market data in TWS?

In case you are subscribed to the suitable real time data packages but you do not see live quotes in TWS, you can try to refresh your market data subscriptions. When you are in TWS click on Ctrl + Alt +F (Ctrl + Option +F in a Mac computer) to refresh your market data subscriptions. You can also empty the TWS subscriptions cache from the File menu (menu Edit in Classic TWS), Global Configuration, Display, Ticker Row by selecting Reset Subscription under the Market Data section.
If you are not subscribed to a market data package you can subscribe from Client Portal/Account Management.

See also: How do I see delayed market data?

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