CENX · Century Aluminum Co
$44.80
+1.96 (+4.58%)
At close · Jul 21
Market Cap
$4.43B
Shares
98.97M
Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.
Short Squeeze Score
60/100
Short interest 9.6% of shares — P88
Days to cover 3.1 — P61
Price vs VWAP -17.7% — P18
Short-volume trend -5.4% — P31
Short interest change +15.5% — P73
Worst FTD 0.05% of shares — P65
Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-06-30). Weighted mean of the available factors (short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, fails-to-deliver 10%) plus catalyst boosts (price spike, volume surge, earnings within days), capped at +20 and clamped to 100.
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-06-30 | 9,533,604 | 8,254,255 | +1,279,349 | 3.09 |
| 2026-06-15 | 8,254,255 | 8,044,208 | +210,047 | 4.15 |
| 2026-05-29 | 8,044,208 | 8,184,268 | -140,060 | 4.43 |
| 2026-05-15 | 8,184,268 | 8,181,214 | +3,054 | 4.85 |
| 2026-04-30 | 8,181,214 | 8,111,770 | +69,444 | 6.93 |
| 2026-04-15 | 8,111,770 | 7,567,705 | +544,065 | 4.24 |
| 2026-03-31 | 7,567,705 | 7,815,330 | -247,625 | 2.84 |
| 2026-03-13 | 7,815,330 | 8,050,474 | -235,144 | 3.14 |
| 2026-02-27 | 8,050,474 | 8,014,287 | +36,187 | 3.17 |
| 2026-02-13 | 8,014,287 | 8,370,550 | -356,263 | 3.37 |
| 2026-01-30 | 8,370,550 | 8,420,925 | -50,375 | 3.78 |
| 2026-01-15 | 8,420,925 | 7,613,184 | +807,741 | 3.71 |
| 2025-12-31 | 7,613,184 | 7,571,512 | +41,672 | 4.48 |
| 2025-12-15 | 7,571,512 | 7,383,912 | +187,600 | 4.25 |
| 2025-11-28 | 7,383,912 | 7,790,787 | -406,875 | 3.74 |
| 2025-11-14 | 7,790,787 | 7,502,754 | +288,033 | 2.33 |
| 2025-10-31 | 7,502,754 | 8,078,532 | -575,778 | 3.31 |
| 2025-10-15 | 8,078,532 | 6,724,663 | +1,353,869 | 3.91 |
| 2025-09-30 | 6,724,663 | 6,190,902 | +533,761 | 3.14 |
| 2025-09-15 | 6,190,902 | 6,046,001 | +144,901 | 3.47 |
| 2025-08-29 | 6,046,001 | 5,460,719 | +585,282 | 5.06 |
| 2025-08-15 | 5,460,719 | 6,669,344 | -1,208,625 | 3.48 |
| 2025-07-31 | 6,669,344 | 6,656,921 | +12,423 | 4.00 |
Showing 1–23 of 23 settlements
Key facts
CIK
949157
CUSIP
156431108
13F (30d)
60 filings
58 filers
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