Stock listing
NASDAQ:INTZ Intrusion Inc. Stock
Home listing (NASDAQ) of Intrusion Inc.
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Share price · NASDAQ:INTZ
$0.582 USD -0.010 (-1.7%)
Close on Oct 30, 2026
- Day range
- $0.562 – $0.615 USDOct 30, 2026
- Volume
- 75,436 sharesOct 30, 2026
- Market cap
- $13.25M USDAt the close on Oct 30, 2026 · price × 22.76M shares outstanding
- 52-week range
- $0.500 – $1.910 USDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- $118,087 USDMedian day 95,280 shares · last 3 months, Jul 30, 2026 – Oct 30, 2026
Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| NASDAQ:INTZ · Home | $0.582 USD | -0.010 (-1.7%) | 75,436 | $0.615 | $0.615 | $0.562 | $0.592 | Close on Oct 30, 2026 |
Daily closes
Last 3 months, Jul 30, 2026 – Oct 30, 2026 · NASDAQ:INTZ · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $0.582 | -0.010 | -1.7% | $0.615 | $0.615 | $0.562 | 75,436 | |
| $0.592 | -0.057 | -8.9% | $0.624 | $0.660 | $0.582 | 30,082 | |
| $0.649 | +0.068 | +11.7% | $0.582 | $0.680 | $0.582 | 62,742 | |
| $0.582 | +0.009 | +1.6% | $0.555 | $0.600 | $0.555 | 16,340 | |
| $0.572 | -0.007 | -1.2% | $0.589 | $0.605 | $0.570 | 27,692 | |
| $0.579 | +0.034 | +6.3% | $0.530 | $0.580 | $0.530 | 88,838 | |
| $0.545 | -0.015 | -2.7% | $0.570 | $0.598 | $0.515 | 95,204 | |
| $0.560 | -0.050 | -8.2% | $0.610 | $0.629 | $0.500 | 122,118 | |
| $0.610 | +0.000 | 0.0% | $0.610 | $0.630 | $0.610 | 17,385 | |
| $0.610 | -0.019 | -3.0% | $0.620 | $0.630 | $0.610 | 34,866 | |
| $0.629 | +0.001 | +0.1% | $0.630 | $0.650 | $0.620 | 42,086 | |
| $0.628 | -0.026 | -4.0% | $0.636 | $0.650 | $0.620 | 37,746 | |
| $0.654 | +0.005 | +0.8% | $0.640 | $0.676 | $0.629 | 50,559 | |
| $0.649 | +0.009 | +1.4% | $0.640 | $0.663 | $0.640 | 21,252 | |
| $0.640 | -0.021 | -3.2% | $0.675 | $0.684 | $0.630 | 48,225 | |
| $0.661 | -0.023 | -3.3% | $0.691 | $0.709 | $0.625 | 153,261 | |
| $0.684 | -0.016 | -2.3% | $0.708 | $0.708 | $0.681 | 47,925 | |
| $0.700 | -0.010 | -1.4% | $0.729 | $0.740 | $0.690 | 32,985 | |
| $0.710 | +0.020 | +2.9% | $0.690 | $0.713 | $0.690 | 48,292 | |
| $0.690 | -0.029 | -4.0% | $0.714 | $0.741 | $0.690 | 39,230 | |
| $0.719 | +0.009 | +1.2% | $0.710 | $0.733 | $0.699 | 73,330 | |
| $0.710 | -0.010 | -1.4% | $0.722 | $0.722 | $0.710 | 20,060 | |
| $0.720 | -0.015 | -2.0% | $0.713 | $0.770 | $0.701 | 74,771 | |
| $0.735 | +0.061 | +9.0% | $0.661 | $0.757 | $0.661 | 115,328 | |
| $0.674 | -0.037 | -5.1% | $0.710 | $0.717 | $0.670 | 81,699 | |
| $0.711 | -0.019 | -2.7% | $0.722 | $0.750 | $0.700 | 34,680 | |
| $0.730 | -0.030 | -3.9% | $0.757 | $0.760 | $0.721 | 36,209 | |
| $0.760 | +0.009 | +1.2% | $0.760 | $0.800 | $0.723 | 65,813 | |
| $0.751 | 0.000 | -0.1% | $0.763 | $0.789 | $0.700 | 147,423 | |
| $0.751 | +0.141 | +23.2% | $0.700 | $0.800 | $0.680 | 315,537 | |
| $0.610 | -0.151 | -19.9% | $0.751 | $0.800 | $0.610 | 329,809 | |
| $0.761 | -0.009 | -1.2% | $0.735 | $0.780 | $0.730 | 65,404 | |
| $0.770 | -0.031 | -3.8% | $0.780 | $0.795 | $0.752 | 42,764 | |
| $0.801 | -0.089 | -10.0% | $0.863 | $0.863 | $0.800 | 48,809 | |
| $0.890 | +0.045 | +5.3% | $0.820 | $0.936 | $0.809 | 129,564 | |
| $0.845 | +0.023 | +2.8% | $0.804 | $0.845 | $0.790 | 59,403 | |
| $0.822 | -0.016 | -1.9% | $0.825 | $0.826 | $0.800 | 61,942 | |
| $0.838 | -0.008 | -1.0% | $0.832 | $0.850 | $0.803 | 95,356 | |
| $0.846 | +0.066 | +8.5% | $0.780 | $0.846 | $0.753 | 177,697 | |
| $0.780 | -0.047 | -5.7% | $0.813 | $0.813 | $0.760 | 126,408 | |
| $0.827 | -0.028 | -3.2% | $0.830 | $0.869 | $0.801 | 218,008 | |
| $0.855 | 0.000 | 0.0% | $0.828 | $0.880 | $0.824 | 133,934 | |
| $0.855 | -0.045 | -5.0% | $0.900 | $0.900 | $0.800 | 176,734 | |
| $0.900 | +0.105 | +13.3% | $0.780 | $0.930 | $0.751 | 588,825 | |
| $0.795 | -0.015 | -1.9% | $0.818 | $0.878 | $0.760 | 836,142 | |
| $0.810 | +0.118 | +17.1% | $0.718 | $0.850 | $0.692 | 1,199,456 | |
| $0.692 | +0.092 | +15.3% | $0.612 | $0.700 | $0.596 | 223,412 | |
| $0.600 | -0.022 | -3.6% | $0.623 | $0.650 | $0.593 | 329,848 | |
| $0.622 | -0.018 | -2.8% | $0.650 | $0.660 | $0.621 | 187,639 | |
| $0.640 | +0.005 | +0.8% | $0.630 | $0.650 | $0.630 | 186,390 | |
| $0.635 | +0.001 | +0.2% | $0.658 | $0.658 | $0.629 | 123,181 | |
| $0.634 | +0.002 | +0.3% | $0.626 | $0.670 | $0.620 | 74,680 | |
| $0.632 | -0.018 | -2.7% | $0.641 | $0.669 | $0.630 | 134,370 | |
| $0.650 | -0.020 | -3.1% | $0.667 | $0.680 | $0.640 | 197,961 | |
| $0.670 | +0.000 | +0.1% | $0.660 | $0.680 | $0.660 | 147,061 | |
| $0.670 | +0.010 | +1.5% | $0.662 | $0.680 | $0.660 | 310,042 | |
| $0.660 | -0.158 | -19.3% | $0.700 | $0.706 | $0.654 | 443,707 | |
| $0.818 | +0.060 | +7.9% | $0.720 | $0.820 | $0.720 | 305,851 | |
| $0.758 | -0.001 | -0.1% | $0.750 | $0.760 | $0.711 | 195,045 | |
| $0.759 | -0.001 | -0.2% | $0.752 | $0.772 | $0.750 | 201,732 | |
| $0.760 | -0.009 | -1.2% | $0.760 | $0.793 | $0.750 | 93,712 | |
| $0.769 | -0.005 | -0.7% | $0.775 | $0.799 | $0.756 | 89,869 | |
| $0.774 | +0.004 | +0.5% | $0.762 | $0.780 | $0.761 | 202,101 | |
| $0.770 | 0.000 | 0.0% | $0.759 | $0.800 | $0.751 | 167,530 | |
| $0.770 | -0.020 | -2.5% | $0.780 | $0.788 | $0.745 | 252,629 | |
| $0.790 | +0.030 | +3.9% | $0.735 | $0.793 | $0.735 | 288,133 |
- Ticker
- NASDAQ:INTZ
- Asset type
- Stock
- Sector
- Technology
- Industry
- Software
- Exchange
- NASDAQ
- Currency
- USD
What changed lately
Latest news release · Sep 9, 2026
Intrusion Inc. Announces Participation in the H.C. Wainwright Annual Global Investment Conference
Latest earnings call · Aug 11, 2026
Intrusion (NASDAQ:INTZ) Q2 2026 Earnings Call
Replay and transcript
Calls
Replays
Intrusion (NASDAQ:INTZ) Q2 2026 Earnings Call
Tue, Aug 11, 2026 · 5:00 PM ET
Watch TranscriptIntrusion (NASDAQ:INTZ) Q1 2026 Earnings Call
Thu, May 14, 2026 · 5:00 PM ET
Watch TranscriptIntrusion (NASDAQ:INTZ) Q4 2025 Earnings Call
Tue, Mar 24, 2026 · 5:00 PM ET
Watch Transcript
Latest news
Intrusion Inc. Announces Participation in the H.C. Wainwright Annual Global Investment Conference
Sep 9, 2026
Closed $0.822 (-1.9%) on Sep 10, 2026
Intrusion Inc. Reports Second Quarter 2026 Results
Aug 11, 2026
Closed $0.66 (-19.3%) on Aug 12, 2026
Intrusion Launches 'Complete the Transformation' Shareholder Campaign Ahead of 2026 Annual Meeting
Aug 6, 2026
Closed $0.76 (-1.2%) on Aug 6, 2026
Intrusion Inc. to Announce Second Quarter 2026 Financial Results on Tuesday, August 11, 2026
Jul 27, 2026
Closed $0.777 (+3.6%) on Jul 28, 2026
Intrusion Inc. Highlights Strong Early Execution and Strategic Momentum Ahead of Investor Technology Day
Jul 21, 2026
Closed $0.815 (-4.8%) on Jul 22, 2026
Intrusion, Inc. & VigilAigent Announce Registration for Technology & Innovation Day
Jul 14, 2026
Closed $0.928 (-9.0%) on Jul 14, 2026
Intrusion, Inc. Subsidiary VigilAigent Secures Three-Year Renewal and OmniViz Upgrade with Leading MSP Partner
Jul 8, 2026
Closed $0.868 (-3.5%) on Jul 9, 2026
Intrusion Inc. Announces Technology Showcase Highlighting the Combined Power of TraceCop and VigilAigent's AI Platform
Jul 1, 2026
Closed $0.822 (-11.5%) on Jul 1, 2026
Intrusion Inc. Announces Acquisition of VigilAigent to Create an AI-Native Cybersecurity Platform
Jun 29, 2026
Closed $0.929 (+36.5%) on Jun 30, 2026
Intrusion Inc. Reports First Quarter 2026 Results
May 14, 2026
Closed $0.74 (-5.0%) on May 15, 2026
Decks
IPO Roadshow (August 2023)
IPO roadshow · 22 slides · Aug 28, 2023
Investor Presentation (January 2021)
Investor deck · 18 slides · Jan 13, 2021
IPO Roadshow (October 2020)
IPO roadshow · 27 slides · Oct 5, 2020
Intrusion Inc. on 6ix
- Sector
- Technology
- Industry
- Software
- News releases
- 16 in the last 12 months · 120 in all · newest Sep 9, 2026 · oldest 2019
- Calls
- 24 calls with a replay · 24 with a transcript · latest Aug 11, 2026
- Decks
- 3 decks · latest Aug 28, 2023
Where Intrusion Inc. is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| NASDAQ:INTZ · Home listing · This page | NASDAQ | United States | USD |
| BOATS:INTZ | BOATS | United States | USD |
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