Costco Wholesale Corp (COST) — Quality & forensics

As of 2026-10-26 — refreshed nightly. Closelooknet readings from an investment research diary, not ratings or advice.

The Closelooknet module scores

50 /100 composite · 7 modules · general weight set

Valuation 27
Quality 45
Growth 51
Balance sheet 73
Cash quality 48
Capital allocation 52
Momentum 58

Scores are computed nightly across the coverage universe and read relative to it — the methodology lives in the company-scoring explainer.

Financial forensics — the academic screens

9.29 Altman Z-Score

Sits in the safe zone (above 2.99). The Z-Score estimates financial-distress risk from five balance-sheet and earnings ratios.

5/8 Piotroski F-Score

Nine binary fundamental-strength checks across profitability, leverage and operating efficiency.

-2.62 Beneish M-Score

Screens reported earnings for statistical manipulation patterns — below the −1.78 manipulation-risk threshold. A screen, not an accusation.

Continue: the COST chart & overview · the earnings record · COST on the tape

FAQ · from the current data · as of 2026-10-26

Quick answers

What is Costco Wholesale Corp's Closelooknet quality reading?

The composite reads 50/100 across 7 modules, as of 2026-10-26: valuation 27, quality 45, growth 51, balance sheet 73, cash quality 48, capital allocation 52, momentum 58. Closelooknet scores are research diary readings, not ratings or investment advice.

What is Costco Wholesale Corp's Altman Z-Score?

9.29, which sits in the safe zone (above 2.99) as of 2026-10-26. The Altman Z-Score estimates financial distress risk from five balance-sheet and earnings ratios.

What is Costco Wholesale Corp's Piotroski F-Score?

5 of 8, as of 2026-10-26. The F-Score counts nine binary fundamental-strength signals across profitability, leverage and operating efficiency.

What does Costco Wholesale Corp's Beneish M-Score indicate?

-2.62 — below the −1.78 manipulation-risk threshold, as of 2026-10-26. The M-Score screens reported earnings for statistical manipulation patterns; it is a screen, not an accusation.

Mentioned on Closelooknet

Where COST appears in the diary — 12 pieces, newest first. Every link is our own writing.

Long reads

Retail — the store that wins when money is tight breaks its five-month downtrendChart Pick · 16 Oct 2026Against the consumer sectors of the S&P 500 Table as text Name What it is This year 3 months Since 6 Oct WMT Walmart +5.8% +3.2% +10.0% XLP S&P 500 consumer staples +11.6% +1.7% +6.0% XLY S&P 500 consumer discretionary −5.0%…

Dailies

Tech — the whole complex sold: chip fund −2.1%, software −4.3%; Nasdaq −1.1% while the Dow is greenMidday 10 · 16 Oct 2026
Bonds — the long end breaks: 30-year at 5.56%, gold -3.9%; MongoDB sinks 18% as Meta moves inMorning 10 · 29 Sept 2026
Fair Isaac — sinks 29% as Washington opens mortgages to VantageScore; long-bond fund breaks 78Midday 10 · 29 Sept 2026
Memory — Samsung and SK Hynix drop 4% as Seoul reopens, storage follows; Nasdaq futures slipMorning 10 · 28 Sept 2026
Megacaps — Microsoft jumps 3.6%, Meta gives back 3.7%; oil sinks 4% on Iran-deal talk, the 30-year at 5.49%Midday 10 · 25 Sept 2026
Rates — the 30-year hits its highest since 2004; Oracle and Arm sold, Meta and Intel bought, Nasdaq ends flatMorning 10 · 25 Sept 2026
Nasdaq - a second record close as memory jumps 5-7% and banks, card networks and software are soldMorning 10 · 23 Sept 2026
Yields — the 10-year is back above 5% on a hot PMI and a hawkish Fed; chips fall, software is boughtMidday 10 · 23 Sept 2026

Related in the Closelooknet universe

same Closelooknet index seat first, then Discount Stores. Scored names rank on their Closelooknet score; names without one rank on trend state — above or below their 50- and 200-day averages — never on a score they do not carry.