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To manually book an open/close trade for an option on a future without variation margin:
In the Accounting Center, in the left navigation pane, click Transactions > Trades > Book Trade/Rebook Trade > Book Trade.
You see the Book Trade workspace.Complete the options in the Search Details pane and click Search.
You see the search results based on the criteria you selected.Select the row with the security you want to trade.
On the Book Trade tab, in the Actions group, click Action Rules, point to Open or Close, and then click (Buy) Option without Variation Margin or (Sell) Option without Variation Margin.
You see the Open and Close Options panel.Complete the fields on the Open and Close Options panel.
Click Submit.
Once the trade is booked, it follows all core accounting processes. The system uses the core cost tags to store the notional cost values at the position, open, and close Cost object levels for futures.