IB margin requirements are too high

I have an account at IB and Think Or Swim. I read numerous people complaining about the margin requirements at IB so I decided to compare it to another broker.

Check this out. I calculated the margins for selling 5 DEC 24 calls on the QQQQ for $3.68.

IB margin requirement: $5872.50
Maintenance $5604

Now I did the same thing at Think or Swim
Margin requirement $2689.50

What the hell happended to IB?

If anyone else has an account in another broker could you post the margin requirement for selling 5 DEC 24 CALLS on the QQQQs.
 
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