Buying Power Settings:
Clients who are being rejected on their Hot Keys for buying power should contact their brokerage when receiving a reject. Brokerages tend to have various rules in place for buying power so if your Hot Key is configured as shown below and you are still receiving a reject, you might want to check with your broker to see what your Buying Power is set to.
Offsetting half of your position using hot keys:
Unfortunately, Hot Keys are not configured to offset portions of your positions. You can configure Hot Keys to submit a certain amount of orders however, there is no configuration that takes a certain percentage of your positions.
Hot Keys for Stop Limits:
Please see below for a brief video on how to setup Stop Limits using Hot Keys.