Trading Auditor
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The 90 claims that died at invariance

Control 1 of 6 · where the result came from

What this control does
We look at where the result came from: whether it is spread across the trades or packed into a handful of them.
What failing it means
It concentrated. That is the shape of a lottery: the typical trade loses, and a rare handful pays for everything. Anyone following the rule for real would face a long run of losses before any gain, and would almost certainly quit before it arrived.

The six run cheapest first and most expensive last, and each one only kills what the earlier ones let through — so these 90 had already survived the 0 controls before it.

90 of 90