Nasdaq · INTZ · stock
Intrusion INC (INTZ) stock price history
Every Nasdaq trading session of Intrusion INC from May 21, 1992 to Nov 11, 2026: 8,680 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
INTZ adjusted close, 1992 to 2026
- $3,380
- All time high, 1995
- $1.78
- 52 week high, $0.4700 low
- 8,680
- Daily sessions since 1992
Last updated Nov 11, 2026, the last stored session. Refreshes after each trading day. Full 1992 to 2026 series and minute bars.
INTZ key facts
- Intrusion INC (INTZ) closed at $0.5900 on Nov 11, 2026 on Nasdaq.
- INTZ's all time high close is $3,380, set on Sep 20, 1995; its all time low close is $0.3600 on Dec 23, 2024.
- INTZ's 52 week range is $0.4700 to $1.78.
- INTZ returned -66.3% over the year to Nov 11, 2026 and -99.2% over five years.
- Over ten years INTZ returned -93%, -23.9% a year compounded.
- INTZ's deepest drawdown was -100.0% from Sep 20, 1995 to Dec 23, 2024.
- DataCedar holds 8,680 daily sessions of INTZ history from May 21, 1992 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
INTZ price chart, 1992 to 2026
INTZ returns
Price return from the last close on or before the window start to Nov 11, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -10.6% |
| 3 months | -28.0% |
| 6 months | -21.3% |
| Year to date | -49.1% |
| 1 year | -66.3% |
| 3 years | -93.9% |
| 5 years | -99.2% |
| 10 years | -93.4% |
| Since May 21, 1992 | -99.8% |
| Compound annual growth, 34.5 years | -17.0% |
INTZ records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $3,380 on Sep 20, 1995
- All time low close
- $0.3600 on Dec 23, 2024
- 52 week high
- $1.78 on Nov 11, 2025
- 52 week low
- $0.4700 on Nov 4, 2026
- Deepest drawdown
- -100.0% from Sep 20, 1995 to Dec 23, 2024, not yet recovered
- Best single session
- +380.0% on Dec 27, 2024
- Worst single session
- -60.0% on Nov 15, 2016
- Volatility, 1 year annualised
- 106.2%
- Sessions closing higher, 1 year
- 37%
- Best calendar year
- 2020, +220%
- Worst calendar year
- 2023, -92%
INTZ price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 1992 starts on May 21, 1992; 2026 runs to Nov 11, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $1.16 | $1.52 | $0.4700 | $0.5900 | -48.7% | 150.1M | 217 |
| 2025 | $4.03 | $5.20 | $0.7100 | $1.15 | -62.7% | 233.1M | 250 |
| 2024 | $5.00 | $7.34 | $0.3500 | $3.08 | -38.4% | 378.4M | 252 |
| 2023 | $65.20 | $79.20 | $3.80 | $5.00 | -92.1% | 5.5M | 250 |
| 2022 | $69.00 | $115.40 | $34.80 | $63.20 | -8.1% | 1.1M | 251 |
| 2021 | $357.60 | $598.00 | $61.00 | $68.80 | -80.5% | 8.2M | 252 |
| 2020 | $110.00 | $394.40 | $45.20 | $352.40 | +220.4% | 665.2K | 253 |
| 2019 | $76.20 | $111.00 | $58.00 | $110.00 | +44.4% | 117.8K | 252 |
| 2018 | $24.00 | $78.20 | $16.20 | $76.20 | +204.8% | 100.7K | 251 |
| 2017 | $8.60 | $27.00 | $3.80 | $25.00 | +190.7% | 71K | 251 |
| 2016 | $21.80 | $21.80 | $2.40 | $8.60 | -60.6% | 63.1K | 252 |
| 2015 | $56.00 | $57.40 | $15.00 | $21.80 | -61.3% | 31.7K | 252 |
| 2014 | $32.60 | $60.00 | $29.60 | $56.40 | +113.6% | 112.1K | 252 |
| 2013 | $4.20 | $33.00 | $1.60 | $26.40 | +169.4% | 72.4K | 252 |
| 2012 | $15.00 | $15.00 | $3.00 | $9.80 | -34.7% | 15.7K | 250 |
| 2011 | $14.80 | $17.00 | $6.00 | $15.00 | +1.4% | 20.1K | 252 |
| 2010 | $7.40 | $22.00 | $7.40 | $14.80 | +85.0% | 51.7K | 252 |
| 2009 | $4.40 | $16.80 | $2.60 | $8.00 | +14.3% | 72.1K | 252 |
| 2008 | $3.60 | $10.20 | $2.60 | $7.00 | +105.9% | 70.1K | 253 |
| 2007 | $9.80 | $15.00 | $3.00 | $3.40 | -63.0% | 214.1K | 251 |
| 2006 | $38.60 | $57.40 | $4.40 | $9.20 | -78.1% | 471.6K | 251 |
| 2005 | $62.00 | $124.00 | $37.40 | $42.00 | -27.8% | 1M | 252 |
| 2004 | $48.80 | $88.00 | $17.20 | $58.20 | +23.3% | 409.5K | 252 |
| 2003 | $28.00 | $110.40 | $9.60 | $47.20 | +84.4% | 212.3K | 252 |
| 2002 | $142.40 | $172.00 | $0.8000 | $25.60 | -81.4% | 97.5K | 252 |
| 2001 | $390.00 | $680.00 | $49.60 | $137.60 | -63.8% | 199K | 248 |
| 2000 | $725.00 | $2,520 | $230.00 | $380.00 | -47.6% | 585.1K | 252 |
| 1999 | $265.00 | $1,145 | $200.00 | $725.00 | +202.1% | 328.3K | 252 |
| 1998 | $560.00 | $775.00 | $170.00 | $240.00 | -53.4% | 248.7K | 252 |
| 1997 | $970.00 | $1,540 | $415.00 | $515.00 | -46.4% | 494.9K | 253 |
| 1996 | $2,020 | $2,320 | $900.00 | $960.00 | -52.5% | 752.1K | 254 |
| 1995 | $1,170 | $3,460 | $1,020 | $2,020 | +73.4% | 772.6K | 252 |
| 1994 | $540.00 | $1,190 | $430.00 | $1,165 | +111.8% | 293.4K | 252 |
| 1993 | $690.00 | $930.00 | $350.00 | $550.00 | -21.4% | 447.6K | 253 |
| 1992 | $400.00 | $810.00 | $320.00 | $700.00 | n/a | 327.4K | 156 |
INTZ monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | $0.5900 | +1.7% |
| October 2026 | $0.5800 | -19.4% |
| September 2026 | $0.7200 | -20.0% |
| August 2026 | $0.9000 | +16.9% |
| July 2026 | $0.7700 | -17.2% |
| June 2026 | $0.9300 | +12.0% |
| May 2026 | $0.8300 | +3.7% |
| April 2026 | $0.8000 | -2.4% |
| March 2026 | $0.8200 | -24.8% |
| February 2026 | $1.09 | +4.8% |
| January 2026 | $1.04 | -9.6% |
| December 2025 | $1.15 | -19.0% |
About the INTZ data
Daily bars. 8,680 sessions from May 21, 1992 to Nov 11, 2026, one row per Nasdaq trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Jul 13, 2026 forward, most recent session Oct 23, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are Nasdaq trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to May 21, 1992, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/nasdaq%3AINTZ/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
INTZ share price history
