This thread has talked a lot about the correlation of high IQs and wealth without pointing out something we're all too aware of in this community... that the HG-PG community is extremely vulnerable to downward mobility due to poor social outcomes. EQ plays an even bigger role in the acquisition of wealth than IQ does, so the person who is brighter than normal and extremely charming will generally acquire wealth far more successfully than the emotionally-intense PG adult whom people regard as rather odd.
The median IQ of the wealthy may be 125, but it's also tightly clustered there.
The statistics on IQ and wealth will never accurately capture the outliers... those HG who as children are misdiagnosed with learning disabilities or attitude problems, never offered an appropriate education, who drop out and turn to drugs and alcohol, and can never maintain a career because they're too frustrated at the stupidity of their bosses.