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$ATEC

Alphatec Holdings, Inc.

XNAS•Health Care•Surgical & Medical Instruments & Apparatus

$9.41-3.49%−$0.3400Prev $9.75LIVE Full chart Live alerts
No recent price bars, the chart lights up when ATEC starts printing.

Why is ATEC down today? It is at $9.41 (-3.49%), and our scanner flagged it 67 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment ATEC spikes, and full due diligence on ATEC — key stats, earnings, dilution and insider activity. Free.

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Our scanner flagged $ATEC 67 times in the last 30 days. Create a free account to track $ATEC, build a watchlist, and get instant unusual-volume alerts, with a full day of premium now and 5 more when you verify your email, no card needed.

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Key Stats

Price & performance
Price
$9.41
Change today
-3.49%
Previous close
$9.75
52-week range
$6.82 – $23.29
Valuation & dividend
Market cap
$1.47B
Ownership & volume
Shares outstanding
154.5M
SEC · as of 2026-07-28 · 23d
Insider ownership
<1%
DEF 14A · 2026-04-29 ↗
Total held
0.08%
Tradeable float
154.3M
100% of shares · after <1% insiders + institutional n/a
Short interest
13.8M
▲ +0% vs prior · as of 2026-07-31
Short % of float
8.9%
Days to cover
7.3d
Avg daily volume
2.8M
Classification
Sector
Health Care
Industry
Surgical & Medical Instruments & Apparatus
Exchange
XNAS
Relative volumevs this time of day
5m
1.0x
15m
0.7x
1h
0.6x
1D
0.1x

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Why is $ATEC down today?

1 alert today2.5x RVOL

ATEC is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 1 unusual-volume and momentum alert on ATEC today, peaking at 2.5x its normal volume.

Likely catalystAlphatec Holdings, Inc.: Q2 FY2026 results, three months to Jun 30, 2026, from an SEC filing. Read it →Latest filing4Insider trade (Form 4)Aug 8, 2026 · 12 days ago
Why is $ATEC moving? →▶ Replay the moveAuto-generated from live scanner data. Not investment advice.
Trading profileShortableEasy to borrowNo SSRBorrow via Alpaca · SSR from Reg SHO 201

$ATEC Sentiment

Bearish
Bearish12Bullish
📰 News: 0 bull · 5 bearToday: -3.5%👥 Community: 0 bull · 0 bear

Blend of news sentiment, today’s move, and community votes. Not investment advice.

$ATEC Activity

News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.

Alert· 7h ago 2.5× RVOL
ATEC hit 2.530x RVOL at 10:33 AM ET
at $9.46
Alert· 1d ago +0.5% vs EMA
ATEC 200EMA (5m) Trending · 71 bars · L3 · +0.54% above EMA · slope +0.11%
at $9.72
Alert· 1d ago -0.2% vs EMA
$ATEC near 200 EMA: -0.15% from 200 EMA at 1:20 PM ET
at $9.69
Alert· 1d ago 2.9× RVOL
ATEC hit 2.929x RVOL at 1:20 PM ET
at $9.69
Alert· 1d ago 2.4× RVOL
ATEC hit 2.372x RVOL at 10:04 AM ET
at $9.87
Alert· 3d ago 6.5× RVOL
ATEC hit 6.451x RVOL at 1:59 PM ET
at $9.43
Alert· 7d ago 2.0× RVOL
ATEC hit 2.029x RVOL at 9:41 AM ET
at $9.69
Alert· 8d ago +2.3% vs EMA
ATEC 200EMA (1m) Trending · 111 bars · L4 · +2.27% above EMA · slope +0.41%
at $9.64
Alert· 8d ago +1.1% vs EMA
ATEC 50EMA (1m) Trending · 136 bars · L4 · +1.09% above EMA · slope +0.85%
at $9.64
Alert· 8d ago +1.1% vs EMA
$ATEC near 200 EMA: +1.13% from 200 EMA at 2:20 PM ET
at $9.47
Alert· 8d ago 14.9× RVOL
ATEC hit 14.898x RVOL at 2:20 PM ET
at $9.47
Alert· 8d ago +0.3% vs EMA
ATEC 50EMA (1m) Trending · 60 bars · L3 · +0.28% above EMA · slope +0.26%
at $9.39
Alert· 8d ago +2.79%
$ATEC moved +2.79% (~15m high-low range 2.79%) (Level 2) at 8:56 AM ET
at $9.59
Alert· 9d ago +1.2% vs EMA
ATEC 200EMA (5m) Trending · 71 bars · L3 · +1.22% above EMA · slope +0.38%
at $9.51
Alert· 9d ago 4.2× RVOL
ATEC hit 4.223x RVOL at 10:37 AM ET
at $9.46
Alert· 10d ago 22.4× RVOL
ATEC hit 22.361x RVOL at 2:04 PM ET
at $9.25
Alert· 13d ago -1.20%
$ATEC moved -1.20% in 1 min (Level 1) at 4:46 PM ET
at $9.20
Alert· 13d ago 24.0× RVOL
ATEC hit 23.967x RVOL at 2:59 PM ET
at $9.10
Alert· 13d ago 3.9× RVOL
ATEC hit 3.907x RVOL at 11:02 AM ET
at $9.14
Alert· 14d ago 2.0× RVOL
ATEC hit 2.000x RVOL at 3:24 PM ET
at $9.15
Alert· 14d ago +0.0% vs EMA
$ATEC near 200 EMA: +0.05% from 200 EMA at 2:52 PM ET
at $9.08
Alert· 14d ago 2.8× RVOL
ATEC hit 2.782x RVOL at 2:52 PM ET
at $9.08
Alert· 14d ago -0.7% vs EMA
$ATEC near 200 EMA: -0.67% from 200 EMA at 1:50 PM ET
at $9.07
Alert· 14d ago 6.9× RVOL
ATEC hit 6.879x RVOL at 1:50 PM ET
at $9.07
Alert· 14d ago -1.1% vs EMA
$ATEC near 200 EMA: -1.10% from 200 EMA at 1:24 PM ET
at $9.05
News· SEC EDGAR· 16d ago
Alphatec Holdings, Inc.: Q2 FY2026 results, three months to Jun 30, 2026
News· SEC EDGAR· 16d ago
Alphatec Holdings, Inc.: ATEC Reports Second Quarter Financial Results
News· SEC EDGAR· 70d ago
Alphatec Holdings, Inc. filed an 8-K: Executive / Board Change, Shareholder Vote
News· GlobeNewswire Inc.· 78d ago Bearish
ALPHATEC INVESTIGATION ALERT: Bragar Eagel & Squire, P.C. is Investigating Alphatec Holdings, Inc. on Behalf of Alphatec Stockholders and Encourages Investors to Contact the Firm
News· GlobeNewswire Inc.· 88d ago Bearish
ATEC Investors Have Opportunity to Join Alphatec Holdings, Inc. Fraud Investigation with the Schall Law Firm
News· Benzinga· 90d ago Bearish
Securities Fraud Investigation Into Alphatec Holdings, Inc. (ATEC) Continues – Shareholders Who Lost Money Urged To Contact The Law Offices of Frank R. Cruz
News· GlobeNewswire Inc.· 90d ago Bearish
ATEC INVESTOR ALERT: Kirby McInerney LLP Investigates Potential Claims Involving Alphatec Holdings, Inc.
News· Benzinga· 97d ago Bearish
Securities Fraud Investigation Into Alphatec Holdings, Inc. (ATEC) Announced – Shareholders Who Lost Money Urged To Contact Glancy Prongay Wolke & Rotter LLP, a Leading Securities Fraud Law Firm

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ATEC stock FAQ

Why is $ATEC down today?

ATEC is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 1 unusual-volume and momentum alert on ATEC today, peaking at 2.5x its normal volume.

What is the ATEC stock price today?

ATEC last traded at $9.41, down 3.49% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).

Where can I see live ATEC alerts?

The ATEC 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 ATEC 67 times in the last 30 days.

What exchange is ATEC on?

ATEC (Alphatec Holdings, Inc.) trades on XNAS, with a market cap of about $1.47B in the SURGICAL & MEDICAL INSTRUMENTS & APPARATUS sector.

Is ATEC 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 ATEC for yourself. This is not investment advice.

Live data from TheDesperateTrader scanner. Not investment advice.