$MGNI
Magnite, Inc. Common Stock
XNAS•Technology•Services-Computer Programming, Data Processing, Etc.
Why is MGNI down today? It is at $23.35 (-2.10%), and our scanner flagged it 92 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment MGNI spikes, and full due diligence on MGNI — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $23.35
- Change today
- -2.10%
- Previous close
- $23.85
- 52-week range
- $10.82 – $26.65
- Market cap
- $3.52B
- Institutional own.
- 99.9%
- Total held
- 100.0%
- Short interest
- 11.6M ▼ -14% vs prior · as of 2026-07-31
- Days to cover
- 5.6d
- Avg daily volume
- 2.7M
- Sector
- Technology
- Industry
- Services-Computer Programming, Data Processing, Etc.
- Exchange
- XNAS
- 5m
- 0.1x
- 15m
- 0.6x
- 1h
- 0.7x
- 1D
- 0.3x
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Why is $MGNI down today?
Here is the latest on MGNI from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for MGNI today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
Latest filing4Insider trade (Form 4)Aug 18, 2026 · 2 days agoAnalyst data via Nasdaq. Not investment advice.
Insiders
8 buys, 35 sells last 3 months (16/87 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Buckley Sean Patrick Officer | Sold (automatic/other) | -3K | sold 0.9% | 293K | $69K at $25.00 | Aug 18, 26 |
Buckley Sean Patrick Officer | Sold (automatic/other) | -8K | sold 2.7% | 296K | $201K at $24.31 | Aug 17, 26 |
Buckley Sean Patrick Officer | Sold (automatic/other) | -12K | sold 3.7% | 304K | $290K at $24.73 | Aug 15, 26 |
Day David Officer | Sold (automatic/other) | -14K | sold 3.0% | 453K | $350K at $24.73 | Aug 15, 26 |
Barrett Michael G. Officer | Sold (automatic/other) | -10K | sold 2.6% | 393K | $257K at $24.73 | Aug 15, 26 |
Gephart Brian Officer | Sold (automatic/other) | -4K | sold 3.6% | 102K | $94K at $24.73 | Aug 15, 26 |
Saltz Aaron Officer | Sold (automatic/other) | -6K | sold 2.1% | 264K | $139K at $24.73 | Aug 15, 26 |
Evans Katie Seitz Officer | Sold (automatic/other) | -11K | sold 2.3% | 486K | $277K at $24.73 | Aug 15, 26 |
Buonasera David Officer | Sold (automatic/other) | -8K | sold 3.1% | 253K | $200K at $24.73 | Aug 15, 26 |
Caine Paul Director | Sold (automatic/other) | -8K | sold 4.8% | 150K | $188K at $25.00 | Aug 14, 26 |
Day David Officer | Sold (automatic/other) | -26K 0.02% of company | sold 5.3% | 467K | n/a | Aug 13, 26 |
Caine Paul Director | Sold (automatic/other) | -5K | sold 3.1% | 157K | $122K at $24.35 | Aug 10, 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.
$MGNI Sentiment
BearishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$MGNI Activity
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MGNI stock FAQ
Why is $MGNI down today?
Here is the latest on MGNI from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for MGNI today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
What is the MGNI stock price today?
MGNI last traded at $23.35, down 2.10% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live MGNI alerts?
The MGNI 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 MGNI 92 times in the last 30 days.
What exchange is MGNI on?
MGNI (Magnite, Inc. Common Stock) trades on XNAS, with a market cap of about $3.52B in the SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. sector.
Is MGNI 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 MGNI for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.