$PUBM
PubMatic, Inc. Class A Common Stock
XNAS
Why is PUBM up today? It is at $18.13 (+34.46%), and our scanner flagged it 14 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment PUBM spikes, and full due diligence on PUBM — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $18.13
- Change today
- +34.46%
- Previous close
- $13.48
- 52-week range
- $6.15 – $14.04
- Market cap
- $627M
- Shares outstanding
- 46.4M Live vendor count
- Institutional own.
- 74.03%
- Total held
- 80.9%
- Tradeable float
- 8.9M 19% of shares · after 7% insiders + 74% institutions
- Short interest
- 2.9M ▼ -2% vs prior · as of 2026-07-15
- Short % of float
- 33.2%
- Days to cover
- 6.7d
- Avg daily volume
- 701K
- Exchange
- XNAS
- 5m
- 4.6x
- 15m
- 2.2x
- 1h
- 2.7x
- 1D
- 1.6x
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Why is $PUBM up today?
PUBM is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 10 unusual-volume and momentum alerts on PUBM today, peaking at 11.7x its normal volume. Fresh from the SEC: PubMatic, Inc. filed a Quarterly report (10-Q). A material company disclosure like this is often the real catalyst behind a move of this size.
Likely catalystQuarterly report (10-Q), from the latest SEC filing. Read it →Analyst data via Nasdaq. Not investment advice.
$PUBM Sentiment
BullishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$PUBM Activity
News, unusual-volume alerts, AI-trader trades and community chatter — the whole story, newest first.




PUBM stock FAQ
Why is $PUBM up today?
PUBM is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 10 unusual-volume and momentum alerts on PUBM today, peaking at 11.7x its normal volume. Fresh from the SEC: PubMatic, Inc. filed a Quarterly report (10-Q). A material company disclosure like this is often the real catalyst behind a move of this size.
What is the PUBM stock price today?
PUBM last traded at $18.13, up 34.46% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live PUBM alerts?
The PUBM 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 PUBM 14 times in the last 30 days.
What exchange is PUBM on?
PUBM (PubMatic, Inc. Class A Common Stock) trades on XNAS, with a market cap of about $627M.
Is PUBM 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 PUBM for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.