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TWS 9395 • May 7 2015 • Release Notes

You may also directly download the TWS software to your computer. Click here for more information.

As your agreement for the receipt and use of market data provides, the securities markets (1) reserve all rights to the market data that they make available; (2) do not guarantee that data; and (3) shall not be liable for any loss due either to their negligence or to any cause beyond their reasonable control.

If the TWS fails to load after two minutes click here to download the stand-alone version.

NOTE FOR API USERS: This build of the TWS does not support API connections. Please use TWS build numbers 940 and above.

If You are Experiencing Problems

You may experience problems with TWS if you are running the software below the minimum requirements. When troubleshooting problems, start by making sure that your computer meets our minimum system requirements.

Browser Problems

Why does my browser either not load TWS properly, or close suddenly?

This may be a problem with Java.

  1. Remove all instances of Java.
  2. Follow the direct-download instructions.
  3. Your browser may be outdated or corrupt. Check the version you are using from the browser's Help menu by selecting About. If your browser version is below the recommended, please upgrade.

Why do I suddenly lose my Internet connection?
  1. Your Internet connection may drop off due to connectivity or Internet Service Provider (ISP)-based issues. Consult our connectivity FAQ if you suspect if this is an issue.
  2. This problem has also been known to occur with problematic Ethernet cards.

For more information about TWS click here