IB - Different Model Prices for same options

At 2:45 today the e-mini was at 1157.

I had 2 different IB accounts open. I was looking at the Sep 1180 Call.

One TWS had the model price at 6.25 while the other at 4.15.

I checked several others and all are dramatically different.

The option model editor looked like they had the same data.

Any idea on how that could happen?

Thanks
 
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