Fair Isaac just reminded investors that even beloved compounders are not immune to sudden gravity. The stock dropped about 17% today to roughly US$1,140, wiping out weeks of gains in a single session. Yet the headline from this quarter is not collapsing demand; it is a profitability story. Fair Isaac posted Q3 revenue of US$674 million and basic earnings per share of US$10.46, supported by a strong free cash flow quarter. The market is trading the shock move in the share price, while long term holders are already recalculating what this earnings power is worth over several years.

Is Fair Isaac suddenly trading at a genuine discount after this 17% drop, or is the premium P/E still too punchy for the cash flows on offer? See how the…