One subtraction. Forty years of evidence. The line below earnings.
Accruals are the bridge between what the income statement says you earned and what the cash flow statement says you collected. Big bridge means the gap is being financed by the customer, the warehouse, or the auditor. Sloan put a number on it in 1996.
CFO over PAT . three quarter median
Zone
What it usually means
Sloan abnormal return
0.80 and above
Healthy . cash matches profit
Healthy
Earnings show up in the bank. Working capital cycle stable.
Top decile outperforms
0.50 to 0.80
Watch . cycle drifting
Watch
Receivables or inventory growing faster than sales for two quarters.
Middle deciles
Below 0.50 for three quarters
Concern . profit on paper
Concern
Profit on the slide. Cash on the customer's terms. Most aggressive accruals deciles.
Bottom decile underperforms
Sloan 1996 long short
Low accrual minus high accrual decile
Result
US 1962 to 1991 NYSE plus AMEX. Replicated in Asness Frazzini Pedersen 2019 globally.
~10.4 pp per year
Working capital cycle days
DSO plus DIO minus DPO
Flow
Days receivable plus days inventory minus days payable. A blow out is the first signal.
Read trend not level
A CFO over PAT of 0.80 plus is a clean job. Below 0.50 for three quarters running is the earliest signal that the headline is being financed somewhere off the income statement. The market mostly notices the year after Sloan said it should have noticed.
Cohort zones illustrative. CFO and PAT defined as per Ind AS 7 and Ind AS 1 / Schedule III. Sloan 1996 . The Accounting Review 71(3) 289 to 315. Asness Frazzini Pedersen 2019 . Review of Accounting Studies . Quality Minus Junk. Past performance . backtest only . not a guarantee.