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$PESI

Perma-Fix Environmental Services, Inc.

XNAS

$16.88-2.43%$0.4200Prev $17.30LIVE Full chart Live alerts
No recent price bars, the chart lights up when PESI starts printing.

Why is PESI down today? It is at $16.88 (-2.43%), and our scanner flagged it 69 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment PESI spikes, and full due diligence on PESI — key stats, earnings, dilution and insider activity. Free.

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Our scanner flagged $PESI 69 times in the last 30 days. Create a free account to track $PESI, 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
$16.88
Change today
-2.43%
Previous close
$17.30
52-week range
$8.02 – $21.32
Valuation & dividend
Market cap
$368M
Ownership & volume
Shares outstanding
21.2M
SEC · as of 2026-08-07 · 13d
Insider ownership
8.6%
DEF 14A · 2026-06-12
Institutional own.
49.94%
Total held
58.5%
Tradeable float
8.8M
41% of shares · after 9% insiders + 50% institutions
Short interest
2.1M
▼ -9% vs prior · as of 2026-07-31
Short % of float
23.9%
Days to cover
3.4d
Avg daily volume
248K
Classification
Exchange
XNAS
Relative volumevs this time of day
5m
0.3x
15m
0.3x
1h
0.2x
1D
0.5x

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Why is $PESI down today?

1 alert today2.6x RVOL

PESI 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 PESI today, peaking at 2.6x its normal volume.

Why is $PESI moving? →▶ Replay the moveAuto-generated from live scanner data. Not investment advice.
Trading profileLow float · 8.8M sh🔥 Heavily shorted · 24% of floatShortableEasy to borrowNo SSRBorrow via Alpaca · SSR from Reg SHO 201
Wall Street consensusStrong Buy1 analyst
Avg target $30.00(+78% upside)
Range $30 - $30
1 buy0 hold0 sell

Analyst data via Nasdaq. Not investment advice.

Insiders

Insiders buying7 buys, 0 sells last 3 months (31/4 over 12 months)
Show 12 recent transactions
InsiderActionShares% of positionOwns afterValueDate
Shelton Larry
Director
Other2K
0.01% of company
added 1.2%199K$11K
at $4.60
Jul 13, 26
Reeder Joe
Director
Acquired (grant/award)+1Kadded 0.6%239K$16K
at $10.72
Jul 1, 26
Bostick Thomas
Director
Acquired (grant/award)+1Kadded 2.5%51K$13K
at $10.72
Jul 1, 26
Zwecker Mark A
Director
Acquired (grant/award)+1Kadded 0.5%248K$13K
at $10.72
Jul 1, 26
Duggan Kerry C
Director
Acquired (grant/award)+819added 12%8K$9K
at $10.72
Jul 1, 26
Shelton Larry
Director
Acquired (grant/award)+1Kadded 0.7%197K$15K
at $10.72
Jul 1, 26
Wamp Zach Paul
Director
Acquired (grant/award)+849added 1.6%53K$9K
at $10.72
Jul 1, 26
Grumski Joseph Timothy
Director
Acquired (grant/award)+2Kadded 2.3%68K$16K
at $10.72
Jul 1, 26
Shelton Larry
Director
Acquired (grant/award)+2Kadded 0.9%195K$15K
at $8.02
Apr 1, 26
Wamp Zach Paul
Director
Acquired (grant/award)+1Kadded 2.1%53K$9K
at $8.02
Apr 1, 26
Bostick Thomas
Director
Acquired (grant/award)+2Kadded 3.3%49K$13K
at $8.02
Apr 1, 26
Grumski Joseph Timothy
Director
Acquired (grant/award)+2Kadded 3.3%66K$17K
at $8.02
Apr 1, 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 $PESI. 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.

$PESI Sentiment

Bearish
Bearish35Bullish
📰 News: 0 bull · 0 bearToday: -2.4%👥 Community: 0 bull · 0 bear

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

$PESI Activity

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

Alert· 6h ago 2.6× RVOL
PESI hit 2.566x RVOL at 9:52 AM ET
at $16.86
Alert· 1d ago -1.32%
$PESI moved -1.32% in 1 min (Level 1) at 2:07 PM ET
at $17.53
Alert· 1d ago 9.1× RVOL
PESI hit 9.097x RVOL at 2:07 PM ET
at $17.53
Alert· 6d ago 4.6× RVOL
PESI hit 4.599x RVOL at 1:44 PM ET
at $17.13
Alert· 7d ago -2.9% vs EMA
$PESI near 200 EMA: -2.94% from 200 EMA at 3:35 PM ET
at $18.02
Alert· 7d ago 2.3× RVOL
PESI hit 2.324x RVOL at 3:35 PM ET
at $18.02
Alert· 7d ago -1.21%
$PESI moved -1.21% in 1 min (Level 1) at 1:29 PM ET
at $17.96
Alert· 7d ago 4.5× RVOL
PESI hit 4.510x RVOL at 1:29 PM ET
at $17.96
Alert· 7d ago +2.49%
$PESI moved +2.49% in 1 min (Level 2) at 12:35 PM ET
at $18.49
Alert· 7d ago -1.52%
$PESI moved -1.52% in 1 min (Level 1) at 11:57 AM ET
at $18.08
Alert· 7d ago 3.2× RVOL
PESI hit 3.173x RVOL at 11:57 AM ET
at $18.08
Alert· 7d ago +4.73%
$PESI moved +4.73% (~15m high-low range 4.73%) (Level 4) at 8:40 AM ET
at $21.40
Alert· 7d ago +8.3% vs EMA
PESI 200EMA (5m) Trending · 103 bars · L4 · +8.30% above EMA · slope +1.22%
at $20.92
Alert· 7d ago -1.22%
$PESI moved -1.22% in 1 min (Level 1) at 6:10 PM ET
at $20.50
Alert· 7d ago +0.5% vs EMA
$PESI near 200 EMA: +0.55% from 200 EMA at 5:16 PM ET
at $20.39
Alert· 7d ago +1.59%
$PESI moved +1.59% in 1 min (Level 1) at 5:16 PM ET
at $20.39
Alert· 7d ago +3.1% vs EMA
PESI 200EMA (5m) Trending · 88 bars · L3 · +3.09% above EMA · slope +0.74%
at $19.70
Alert· 8d ago 3.9× RVOL
PESI hit 3.869x RVOL at 3:06 PM ET
at $19.59
Alert· 8d ago 5.5× RVOL
PESI hit 5.526x RVOL at 2:22 PM ET
at $20.01
Alert· 8d ago -0.8% vs EMA
$PESI near 200 EMA: -0.79% from 200 EMA at 2:19 PM ET
at $20.02
Alert· 8d ago -1.14%
$PESI moved -1.14% in 1 min (Level 1) at 2:19 PM ET
at $20.02
Alert· 8d ago +0.2% vs EMA
$PESI near 200 EMA: +0.23% from 200 EMA at 1:56 PM ET
at $20.25
Alert· 8d ago 9.4× RVOL
PESI hit 9.408x RVOL at 1:56 PM ET
at $20.25
Alert· 8d ago -1.19%
$PESI moved -1.19% in 1 min (Level 1) at 1:00 PM ET
at $20.38
Alert· 8d ago 2.4× RVOL
PESI hit 2.429x RVOL at 1:00 PM ET
at $20.38

Also moving today

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PESI stock FAQ

Why is $PESI down today?

PESI 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 PESI today, peaking at 2.6x its normal volume.

What is the PESI stock price today?

PESI last traded at $16.88, down 2.43% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).

Where can I see live PESI alerts?

The PESI 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 PESI 69 times in the last 30 days.

What exchange is PESI on?

PESI (Perma-Fix Environmental Services, Inc.) trades on XNAS, with a market cap of about $368M.

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

Live data from TheDesperateTrader scanner. Not investment advice.