uint192 expected = FIX_ONE.divu(nTokens); // {1}
for (uint8 i = 0; i < nTokens; i++) {
    uint192 observed = divuu(vals[i], valSum); // {1}
    if (observed > expected) {
        if (observed - expected > _defaultThreshold) return true;
    }
}
if (low == 0 || _anyDepeggedInPool() || _anyDepeggedOutsidePool()) {
    markStatus(CollateralStatus.IFFY);
}
