Maintenance margin on a collar

[UVXY20]

Is there a formula when using SPAN on, say, long ZB, short ATM call, and long OTM put? Or is it the same as PM? And anywhere I can locate this in IB's TWS?

 

[CannonTrading_Ilan]

you can use our built in margin calculator , even in demo mode

https://www.e-futures.com/futures-trading-demo.php