Assay

Financial-condition grades for SEC filers

Company Report · as of Oct 9, 2026

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MethodCoverageAbout
Century Aluminum Co.CENX · manufacturing
GradeNonecomputable_factors_below_threshold: 5 of 14 inputs computable; 7 are required
Reliability0.91 AUCfailure model, filers with $591M to $2.67B assets; 95% interval 0.88 to 0.94; 160 events, 2020 to 2025
Peer failure rate1.01% a yearItem 1.03 bankruptcies, same asset band, 2012 to 2025
Size band$591M to $2.67B assetstotal assets $2.3B[1]
Standard universeinsiderevenue above $1M and assets above $10M[1-2]
Warningslate filer, thin datanot computable: distress
Inputs computable5 of 14
Graded fromfilings received through Mar 3, 2026220 days before the rescan; every figure keyed to the SEC receipt date
Last close$36.382026-10-08; market equity $3.6B; iex feed
Price used in gradeNone
Share price, twelve months to the rescansplit-adjusted close; a lollipop at every rescan carries the letter held then; baseline ticks are SEC receipt dates of the inputs; ranges and dragging scroll the full history
$40$60NovDecJanFebMarAprMayJunJulAugSepOctED/EE$36.38
ABCDE20132014201520162017201820192020202120222023202420252026

Percentile at every rescan on file, Jan 21, 2012 to Oct 9, 2026; stronger toward the top. Hover for the date.

Open this report as it stood on

Letter setLetterPercentileBand
Jan 21, 2012nonen/a
Mar 21, 2012nonen/aQ4
Mar 21, 2015D68.2Q4
Feb 21, 2016C/D58.1Q4
Mar 21, 2016nonen/aQ4
Mar 21, 2021D/E79.3Q4
Mar 21, 2022E97.2Q4
Dec 21, 2025D/E82.9Q4
Feb 21, 2026E83.8Q4
Mar 21, 2026nonen/aQ4

Each date opens the report as it stood on that rescan.

Business, in the company's words. Opening of Item 1 of the 10-K received Mar 3, 2026; the document on sec.gov.

Any material non-payment or non-performance by one of our principal customers, a significant dispute with one of these customers, a significant downturn or deterioration in the business or financial condition of any of these customers, early termination of our sales agreement with any of these customers, or any other event significantly negatively impacting the contractual relationship with one of these customers could adversely affect our financial condition and results of operations.

Warnings [top]

Late filer. found 1 NT 10-K/Q filings in the last eight quarters
Thin data. 5 of 14 grade factors are computable; minimum is 7

7 checks ran; none of them enters the letter. The checks are listed on the warnings screen.

The Fourteen Inputs [top]

Lower percentile is stronger. Source numbers open the SEC filing; a range that spans filings opens the sources table.

InputPercentile, 0 to 100ValueSourcePeer medianPercentilePeersPeriod end
Profitability, sleeve percentile 74.2
Gross profitability11.3%[1,3]21.9%83.62752025-12-31
Return on invested capitalnot computable9.7%
pretax income must exceed the validity floor and imply a 0%-100% tax rate
Accruals rationot computable(3.6%)
prior assets observation is 92 days earlier
Gross margin stability, five years2.9 pts[2-11]2.1 pts64.92292025-12-31
Solvency, sleeve percentile 57.7
Twelve-month failure probabilitynot computable0.04%
liabilities and a nearby cover-page share count are required at 2026-06-30
Altman Z double-primenot computable3.66
one or more required annual facts are missing
Net debt to EBITDAnot computable1.78x
latest aligned inputs end 2012-12-31; latest annual assets end 2025-12-31
Interest coveragenot computable5.09x
latest aligned inputs end 2019-12-31; latest annual assets end 2025-12-31
Current ratio1.97x[12-13]2.25x57.73252025-12-31
Growth and financing, sleeve percentile 80.0
Revenue growth, three-year compound(3.1%)[2,5,7,9]2.1%73.12692025-12-31
Free cash flow growth, three-year compoundnot computable13.9%
current FCF must be positive and base FCF must exceed $100,000
Reinvestment ratenot computable26.4%
prior working capital is not one fiscal year earlier
Asset growth, three yearsnot computable4.4%
four consecutive annual observations are required
Net share issuance, one year7.2%[14-15]0.01%86.82432026-02-24

Gross profitability. Revenue less cost of goods sold, over total assets.

Accruals ratio. Net income less operating cash flow, over average assets; lower is stronger.

Gross margin stability, five years. Standard deviation of gross margin; lower is stronger.

Twelve-month failure probability. CHS model; lower is stronger.

Net debt to EBITDA. Lower is stronger.

Net share issuance, one year. Split-adjusted; lower is stronger.

Among 255 Peers [top]

What the Price Implies [top]

Market measures at the 2026-10-08 close. None enters the grade. Percentile among graded peers with the same measure.

MeasureValuePeer medianPercentileReading
Twelve-month price change, skipping the latest month55.9%13.7%80hotter than 80 of 100 peers
Distance from 52-week high(47.1%)(24.3%)19closer to its high than 19 of 100 peers
EBIT to enterprise value4.5%4.1%53pricier than 47 of 100 peers
Free cash flow yield2.4%3.4%38pricier than 62 of 100 peers
Book value to price0.390.3453pricier than 47 of 100 peers
Sales to price0.700.5459pricier than 41 of 100 peers
Composite equity issuance, five years9.5%(9.5%)76more equity-funded than 76 of 100 peers
Relative strength against the sector, log excess return0.31(0.00)80ahead of 80 of 100 peers

Inputs: market equity $3.6B; EBIT $158.1M; free cash flow $84.8M; book equity $1.4B; sales $2.5B; debt $252.2M; cash $343.4M[16].

Diagnostics [top]

Diagnostics do not feed the grade.

Piotroski F-score: None of 9, period end 2025-12-31
Return on assets above zeron/a
Operating cash flow above zero$185.0M✓ pass[17]
Return on assets improvedn/a[18]
Operating cash flow exceeds net income$143.2M✓ pass[17-18]
Long-term leverage felln/a[1]
Current ratio improvedn/a[12-13]
No new shares issued7.2%✗ fail[14-15]
Gross margin improvedn/a[2-3]
Asset turnover improvedn/a[2]
Cash, filings, liquidity
Cash and equivalents$343.4M[19]
Operating cash flow, four quarters$340.8M[17,19-23]
Months of runwaynot finite
trailing operating cash flow is nonnegative, so runway is not finite
Late filings, two years1
NT 10-K or NT 10-Q
Days since last periodic filing64
10-Q received Aug 6, 2026
Median daily dollar volume$70.8M
63 sessions
Days since newest grade input220

Downloads [top]

Sources [top]

Every citation on this page. Filing opens the SEC index page for that submission; viewer opens the SEC interactive data for the same filing; series opens the SEC XBRL API record for that tag and company.

#ConceptXBRL tagValuePeriod endReceivedFormLinks
1assetsus-gaap:Assets$2.3B2025-12-312026-03-0310-Kfiling · viewer · series
2revenueus-gaap:RevenueFromContractWithCustomerExcludingAssessedTax$2.5B2025-12-312026-03-0310-Kfiling · viewer · series
3gross profitus-gaap:GrossProfit$256.4M2025-12-312026-03-0310-Kfiling · viewer · series
4gross profitus-gaap:GrossProfit$172.0M2024-12-312026-03-0310-Kfiling · viewer · series
5revenueus-gaap:RevenueFromContractWithCustomerExcludingAssessedTax$2.2B2024-12-312026-03-0310-Kfiling · viewer · series
6gross profitus-gaap:GrossProfit$87.6M2023-12-312026-03-0310-Kfiling · viewer · series
7revenueus-gaap:RevenueFromContractWithCustomerExcludingAssessedTax$2.2B2023-12-312026-03-0310-Kfiling · viewer · series
8gross profitus-gaap:GrossProfit$46.7M2022-12-312025-03-0310-Kfiling · viewer · series
9revenueus-gaap:RevenueFromContractWithCustomerExcludingAssessedTax$2.8B2022-12-312025-03-0310-Kfiling · viewer · series
10gross profitus-gaap:GrossProfit$124.2M2021-12-312024-03-1510-Kfiling · viewer · series
11revenueus-gaap:RevenueFromContractWithCustomerExcludingAssessedTax$2.2B2021-12-312024-03-1510-Kfiling · viewer · series
12current assetsus-gaap:AssetsCurrent$1.0B2025-12-312026-03-0310-Kfiling · viewer · series
13current liabilitiesus-gaap:LiabilitiesCurrent$523.6M2025-12-312026-03-0310-Kfiling · viewer · series
14shares outstandingdei:EntityCommonStockSharesOutstanding98,974,0472026-02-242026-03-0310-Kfiling · viewer · series
15shares outstandingdei:EntityCommonStockSharesOutstanding92,293,3442025-02-272025-03-0310-Kfiling · viewer · series
16shares outstandingdei:EntityCommonStockSharesOutstanding98,993,2952026-08-042026-08-0610-Qfiling · viewer · series
17operating cash flowus-gaap:NetCashProvidedByUsedInOperatingActivities$185.0M2025-12-312026-03-0310-Kfiling · viewer · series
18net incomeus-gaap:NetIncomeLoss$41.8M2025-12-312026-03-0310-Kfiling · viewer · series
19cashus-gaap:CashAndCashEquivalentsAtCarryingValue$343.4M2026-06-302026-08-0610-Qfiling · viewer · series
20operating cash flowus-gaap:NetCashProvidedByUsedInOperatingActivities$236.0M2026-06-302026-08-0610-Qfiling · viewer · series
21operating cash flowus-gaap:NetCashProvidedByUsedInOperatingActivities$68.4M2026-03-312026-05-0710-Qfiling · viewer · series
22operating cash flowus-gaap:NetCashProvidedByUsedInOperatingActivities$82.2M2025-09-302025-11-0610-Qfiling · viewer · series
23operating cash flowus-gaap:NetCashProvidedByUsedInOperatingActivities$80.2M2025-06-302026-08-0610-Qfiling · viewer · series

Limitations [top]

Peer group. Sector assignment from four-digit SIC codes, hand-tuned and published. The grade under three alternative peer policies is tabled above.

Size. Within a sector the letter tracks size. Among graded filers in the smallest asset band, 72% grade E and 0% grade A; in the largest, 13% grade E and 21% grade A. Universe as of Oct 9, 2026.

Failure model. filings 2012-01-01 to 2019-12-31 fit, filings 2020-01-01 to 2025-12-31 test; status post hoc pending confirmation. pre-registered on 2026 filings once their 12-month outcome windows close; supported if the paired per-quintile gain over the pooled model has a lower bound above 0.05.

Input validity. Revenue or total assets at or below $100,000 sets the degenerate-inputs flag. An input whose denominator is at or below $100,000 is left not computable rather than ranked.

Returns. No input on this page has a post-2015 confidence interval on returns that excludes zero. The grade ranks reported financial condition and is not a return forecast.

Informational and educational only. Not investment advice. SEC and market data may contain errors.

If you have any comments about this page, the methodology and every line of code that produced it are in the public repository. However, due to the limited number of personnel, we are unable to provide a direct response.

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Photographs from Wikimedia Commons

bull: Raphael Schön from Vienna, Austria, CC BY 2.0; bear: U. S. Fish and Wildlife Service - Northeast Region, Public domain; elk: Oregon Department of Fish & Wildlife, Public domain; tortoise: NPS, Public domain; sloth: Charles J. Sharp, CC BY-SA 3.0; fox: Cp9asngf, CC BY-SA 4.0; sector-business_equipment: Sangitiana Fararano, CC BY-SA 2.0; sector-healthcare: User:Squidonius, myself, and User:Beliason (assumed)., CC BY-SA 4.0; sector-manufacturing: unknown, CC BY-SA 2.0; sector-shops: Wilfredor, CC BY-SA 4.0; sector-consumer_nondurables: Nielsoncaetanosalmeron, CC BY 4.0; sector-utilities: Lijovklm, CC BY-SA 4.0; sector-consumer_durables: Stilfehler, CC BY-SA 4.0; sector-chemicals: PEO ACWA, CC BY 2.0; sector-energy: Arne Hückelheim, CC BY-SA 3.0; sector-telecom: Wikideas1, CC0; sector-other: Downtowngal, CC BY-SA 4.0.

Updated Oct 9, 2026