Combo position
The position ZML Trade records for each combo from its fills. Combos on the same account are tracked separately.
In the product
A combo’s quantity, average price and PnL all come from its combo position, and opening, closing and risk controls are judged on it. An exchange reports positions only per account and market, so when several combos share an account, the combo position is what tells their parts apart.
How to read it
Reconciliation shows any difference between the combo position and the actual position on the exchange. When they differ, Calibrate combo position rewrites the record from the exchange position, and Set combo position manually corrects the quantity and average price. Neither places orders.