How much bandwidth does TWS require?

If market data is unavailable, you may see a red market data (DATA) icon on the upper right corner of TWS. This condition may be due to a firewall issue or to connectivity issue. You may use the keyboard shortcut CTRL+ALT+F to refresh the market data connections…

All clients initially receive 100 concurrent lines of real-time market data and always have a minimum of 100 lines of data. This applies to any account type and it is the initial configuration for any new account. Market data lines can be increased based on monthly commission amounts, Equity Level, and Quote Booster subscriptions…

Our offline version and regular version of TWS are the same platform. The only difference is the way that they update.

If you have a slower computer or Internet connection, we recommend that you use the offline (standalone) version of TWS…

TWS will function in a shared environment, provided that a reliable connection exists. The connection that a TWS machine receives must have sufficient bandwidth to operate. Users should take care when using NAT (Network Address Translation) and DHCP. While TWS will work if NAT and/or DHCP are configured properly, data loss and unpredictable behavior can result from improper configurations. For more information on NAT and DHCP, review the section below on those topics…