Why is the maintenance and initial margin requirements so high for VIX options on IB?
For instance, short VIX call 40 .. equity with loan $-1200 but my maintenance margin is -$28,149 and maintainence is -$25,696
so margin requirements roughly 20 times higher than the cash value?
Is this IB's thing or CBOE's ? Would portfolio margin change it?
https://www.cboe.com/learncenter/pdf/margin2-00.pdf
when I use this thing at CBOEs website https://www.cboe.com/trading-tools/calculators/margin-calculator it says my requirement is 20K, but IB is saying my requirement is 145K initial and 132K maintenance
For instance, short VIX call 40 .. equity with loan $-1200 but my maintenance margin is -$28,149 and maintainence is -$25,696
so margin requirements roughly 20 times higher than the cash value?
Is this IB's thing or CBOE's ? Would portfolio margin change it?
https://www.cboe.com/learncenter/pdf/margin2-00.pdf
when I use this thing at CBOEs website https://www.cboe.com/trading-tools/calculators/margin-calculator it says my requirement is 20K, but IB is saying my requirement is 145K initial and 132K maintenance