To create a combo order using the Spread Templates feature in IBKR Mobile for iPhone:
- From a Watchlist, tap an instrument twice to open the Instrument Details screen.
- Tap Options in the tab set just below the dashboard.
- Tap the three vertical lines to the left of the expiration dates to open Options Settings.
- Select a strategy (Calendar Spread, Vertical Spread or Diagonal Spread).
- Choose Calls or Puts and, if needed, define data filters or filter out weekly contracts.
- Swipe through strategies in the grid to compare and find the best available combination strategies based on spread, price, Delta and Gamma.
- Tap a box to add the strategy to the Strategy Builder below the grid.
- Click on Call & Put Legs, Call Legs or Put Legs to expand the section and see the combo order details along with the strategy's Performance Profile.
- Once you select the contract months, look to the bottom and tap +Watchlist to add the contracts to a watchlist or Quote which will take you to an Order Ticket.