$CENX
Century Aluminum Co
XNAS•Materials•Primary Production of Aluminum
Why is CENX up today? It is at $48.45 (+3.30%), and our scanner flagged it 47 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment CENX spikes, and full due diligence on CENX — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $48.45
- Change today
- +3.30%
- Previous close
- $46.90
- 52-week range
- $20.91 – $70.43
- Market cap
- $4.64B
- Institutional own.
- 99.9%
- Total held
- 100.0%
- Short interest
- 9.8M ▲ +3% vs prior · as of 2026-07-15
- Days to cover
- 5.1d
- Avg daily volume
- 2.1M
- Sector
- Materials
- Industry
- Primary Production of Aluminum
- Exchange
- XNAS
- 5m
- 1.2x
- 15m
- 0.8x
- 1h
- 0.9x
- 1D
- 0.3x
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Why is $CENX up today?
CENX is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 4 unusual-volume and momentum alerts on CENX today, peaking at 28.5x its normal volume.
Likely catalystShareholder Vote, from the latest SEC filing. Read it →Insiders
Insiders buying5 buys, 1 sells last 3 months (24/27 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Olivier Tamla A Director | Acquired (grant/award) | +2K | added 7.3% | 32K | n/a | Jun 15, 26 |
Bush Jennifer Mary Director | Acquired (grant/award) | +2K | added 4.6% | 49K | n/a | Jun 15, 26 |
Michelmore Andrew G Director | Acquired (grant/award) | +2K | added 2.4% | 91K | n/a | Jun 15, 26 |
Michelmore Andrew G Director | Sold (automatic/other) | -652 | sold 0.7% | 91K | $36K at $54.55 | Jun 15, 26 |
Glasser Errol Director | Acquired (grant/award) | +2K | added 1.8% | 121K | n/a | Jun 15, 26 |
Berntzen Jarl Director | Acquired (grant/award) | +2K | added 1.0% | 211K | n/a | Jun 15, 26 |
Trpkovski Peter A Officer | Sold (automatic/other) | -17K 0.02% of company | sold 21% | 64K | $845K at $50.51 | Mar 25, 26 |
Gary Jesse E Officer | Sold (automatic/other) | -150K 0.2% of company | sold 51% | 143K | $8.3M at $55.47 | Mar 16, 26 |
Calloway Kenneth L Officer | Sold (automatic/other) | -18K 0.02% of company | sold 42% | 25K | $1.0M at $58.00 | Mar 12, 26 |
Hoffman Robert F Officer | Sold (automatic/other) | -11K 0.01% of company | sold 16% | 57K | $595K at $56.51 | Mar 11, 26 |
Glencore International Ag Beneficial Owner (10%) | Sold (automatic/other) | -6.32M 6.4% of company | sold 34% | 12.18M | $326.8M at $51.75 | Mar 4, 26 |
Hoffman Robert F Officer | Sold (automatic/other) | -10K 0.01% of company | sold 13% | 67K | $563K at $56.33 | Mar 4, 26 |
Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.
$CENX Sentiment
BullishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$CENX Activity
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CENX stock FAQ
Why is $CENX up today?
CENX is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 4 unusual-volume and momentum alerts on CENX today, peaking at 28.5x its normal volume.
What is the CENX stock price today?
CENX last traded at $48.45, up 3.30% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live CENX alerts?
The CENX Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged CENX 47 times in the last 30 days.
What exchange is CENX on?
CENX (Century Aluminum Co) trades on XNAS, with a market cap of about $4.64B in the PRIMARY PRODUCTION OF ALUMINUM sector.
Is CENX good for day trading?
That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge CENX for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.