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$DXCM

DexCom, Inc.

XNAS•Health Care•Surgical & Medical Instruments & Apparatus

$90.22+0.38%+$0.3400Prev $89.88LIVE Full chart Live alerts
No recent price bars, the chart lights up when DXCM starts printing.

Why is DXCM up today? It is at $90.22 (+0.38%), and our scanner flagged it 98 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment DXCM spikes, and full due diligence on DXCM — key stats, earnings, dilution and insider activity. Free.

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Our scanner flagged $DXCM 98 times in the last 30 days. Create a free account to track $DXCM, 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
$90.22
Change today
+0.38%
Previous close
$89.88
52-week range
$54.11 – $91.96
Valuation & dividend
Market cap
$34.05B
Ownership & volume
Shares outstanding
377.4M
SEC · as of 2026-07-23 · 29d
Insider ownership
<1%
DEF 14A · 2025-03-27 ↗
Institutional own.
99.9%
Total held
100.0%
Short interest
17.5M
▼ -6% vs prior · as of 2026-07-31
Days to cover
3.5d
Avg daily volume
5.5M
Classification
Sector
Health Care
Industry
Surgical & Medical Instruments & Apparatus
Exchange
XNAS
Relative volumevs this time of day
5m
0.8x
15m
0.7x
1h
0.6x
1D
0.7x

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Why is $DXCM moving today?

2 alerts today21.6x RVOL

DXCM is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 2 unusual-volume and momentum alerts on DXCM today, peaking at 21.6x its normal volume.

Why is $DXCM moving? →▶ Replay the moveAuto-generated from live scanner data. Not investment advice.
Trading profile⚡ Ultra-low floatShortableEasy to borrowNo SSRBorrow via Alpaca · SSR from Reg SHO 201
Wall Street consensusStrong Buy19 analysts
Avg target $93.24(+3% upside)
Range $82 - $105
18 buy1 hold0 sell

Analyst data via Nasdaq. Not investment advice.

Insiders

10 buys, 17 sells last 3 months (28/43 over 12 months)
Show 12 recent transactions
InsiderActionShares% of positionOwns afterValueDate
Brown Michael Jon
Officer
Sold (automatic/other)-2Ksold 1.6%103K$156K
at $91.93
Aug 14, 26
Heller Bridgette P
Director
Sold (automatic/other)-1Ksold 3.3%30K$89K
at $88.29
Aug 12, 26
Augustinos Nicholas
Director
Sold (automatic/other)-1Ksold 2.8%37Kn/aAug 12, 26
Foletta Mark G
Director
Sold (automatic/other)-2Ksold 3.9%49K$171K
at $85.32
Aug 3, 26
Foletta Mark G
Director
Sold (automatic/other)-2Ksold 3.8%51K$160K
at $80.00
Jul 31, 26
Sayer Kevin R
Officer
Sold (automatic/other)-27Ksold 7.5%329K$2.0M
at $76.32
Jul 20, 26
Brown Michael Jon
Officer
Sold (automatic/other)-2Ksold 1.6%105K$127K
at $74.42
Jul 15, 26
Sayer Kevin R
Officer
Sold (automatic/other)-27Ksold 7.0%356K$1.9M
at $72.00
Jul 6, 26
Foletta Mark G
Director
Sold (automatic/other)-4Ksold 7.0%53K$296K
at $74.10
Jun 15, 26
Brown Michael Jon
Officer
Sold (automatic/other)-2Ksold 1.6%106K$128K
at $75.55
Jun 15, 26
Coleman Jon
Officer
Sold (automatic/other)-5Ksold 4.9%95K$364K
at $74.13
Jun 4, 26
Coleman Jon
Officer
Sold (automatic/other)-5Ksold 4.7%100K$359K
at $73.00
Jun 3, 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.

Dilution watch

Unavailable

We could not reach SEC EDGAR, so the dilution check did not run for $DXCM. This is not a clean result: there may be an offering, a registration or a shelf on file that we were unable to read. Check it yourself on SEC EDGAR before trading it.

$DXCM Sentiment

Neutral
Bearish52Bullish
📰 News: 0 bull · 0 bearToday: +0.4%👥 Community: 0 bull · 0 bear

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

$DXCM Activity

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

Alert· 10h ago +0.6% vs EMA
DXCM 200EMA (1m) Trending · 105 bars · L4 · +0.59% above EMA · slope +0.12%
at $90.94
Alert· 10h ago +0.5% vs EMA
DXCM 200EMA (1m) Trending · 90 bars · L3 · +0.55% above EMA · slope +0.06%
at $90.81
Alert· 11h ago +0.3% vs EMA
$DXCM near 200 EMA: +0.29% from 200 EMA at 10:44 AM ET
at $90.31
Alert· 11h ago 20.0× RVOL
DXCM hit 19.976x RVOL at 10:44 AM ET
at $90.31
Alert· 12h ago 21.6× RVOL
DXCM hit 21.641x RVOL at 10:09 AM ET
at $90.78
Alert· 1d ago -0.2% vs EMA
$DXCM near 200 EMA: -0.17% from 200 EMA at 2:12 PM ET
at $89.69
Alert· 1d ago 22.3× RVOL
DXCM hit 22.279x RVOL at 2:12 PM ET
at $89.69
Alert· 1d ago -0.7% vs EMA
$DXCM near 200 EMA: -0.70% from 200 EMA at 1:15 PM ET
at $89.39
Alert· 1d ago 44.1× RVOL
DXCM hit 44.152x RVOL at 1:15 PM ET
at $89.39
Alert· 1d ago -1.1% vs EMA
$DXCM near 200 EMA: -1.07% from 200 EMA at 12:03 PM ET
at $89.52
Alert· 1d ago 3.5× RVOL
DXCM hit 3.506x RVOL at 12:03 PM ET
at $89.52
Alert· 1d ago -0.5% vs EMA
$DXCM crossed below 200 EMA (-0.45% vs EMA) at 11:26 AM ET
at $90.31
Alert· 1d ago 12.3× RVOL
DXCM hit 12.279x RVOL at 11:26 AM ET
at $90.31
Alert· 1d ago 4.6× RVOL
DXCM hit 4.562x RVOL at 10:26 AM ET
at $91.27
Alert· 2d ago 3.6× RVOL
DXCM hit 3.561x RVOL at 9:54 AM ET
at $90.78
Alert· 2d ago +1.67%
$DXCM moved +1.67% in 1 min (Level 1) at 9:29 AM ET
at $89.74
Alert· 3d ago -0.8% vs EMA
$DXCM near 200 EMA: -0.76% from 200 EMA at 12:39 PM ET
at $88.60
Alert· 3d ago 2.5× RVOL
DXCM hit 2.445x RVOL at 12:39 PM ET
at $88.60
Alert· 3d ago +2.88%
$DXCM moved +2.88% (~15m high-low range 2.88%) (Level 2) at 6:49 AM ET
at $86.68
Alert· 6d ago 7.2× RVOL
DXCM hit 7.224x RVOL at 11:21 AM ET
at $90.86
Alert· 7d ago +0.5% vs EMA
DXCM 200EMA (5m) Trending · 52 bars · L3 · +0.50% above EMA · slope +0.17%
at $90.39
Alert· 7d ago -1.10%
$DXCM moved -1.10% in 1 min (Level 1) at 12:53 PM ET
at $90.52
Alert· 7d ago +1.12%
$DXCM moved +1.12% in 1 min (Level 1) at 12:27 PM ET
at $90.30
Alert· 7d ago -0.0% vs EMA
$DXCM near 200 EMA: -0.00% from 200 EMA at 12:15 PM ET
at $90.89
Alert· 7d ago 3.6× RVOL
DXCM hit 3.642x RVOL at 12:15 PM ET
at $90.89

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DXCM stock FAQ

Why is $DXCM moving today?

DXCM is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 2 unusual-volume and momentum alerts on DXCM today, peaking at 21.6x its normal volume.

What is the DXCM stock price today?

DXCM last traded at $90.22, up 0.38% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).

Where can I see live DXCM alerts?

The DXCM 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 DXCM 98 times in the last 30 days.

What exchange is DXCM on?

DXCM (DexCom, Inc.) trades on XNAS, with a market cap of about $34.05B in the SURGICAL & MEDICAL INSTRUMENTS & APPARATUS sector.

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

Live data from TheDesperateTrader scanner. Not investment advice.