Yes, the broker's 1099B summary agrees with the turbo tax calculations based on the formula mentioned above.
If you use IB, it should be no problem.
What are your numbers from 1099B?
No, I don't track wash sale disallowed on my own. I trust my broker to do so. No, I don't adjust my basis. As I said, my brokers forms and the Turbotax are in agreement & are reconciled with each other.
Does the formula stand on your brokers forms?
Any idea why does XIV underperform so greatly SVXY today? They both track the same index. Is CS chipping away a few bucks from the fund to cover the future lawsuit expenses?