Nasdaq · KTOS · stock
Kratos Defense & Security Solutions, INC. (KTOS) stock price history
Every Nasdaq trading session of Kratos Defense & Security Solutions, INC. from Nov 5, 1999 to Sep 28, 2026: 6,763 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.
KTOS adjusted close, 1999 to 2026
- $1,579
- All time high, 2000
- $134.00
- 52 week high, $43.09 low
- 6,763
- Daily sessions since 1999
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1999 to 2026 series and minute bars.
KTOS key facts
- Kratos Defense & Security Solutions, INC. (KTOS) closed at $44.07 on Sep 28, 2026 on Nasdaq.
- KTOS's all time high close is $1,579, set on Mar 6, 2000; its all time low close is $2.99 on Jan 26, 2016.
- KTOS's 52 week range is $43.09 to $134.00.
- KTOS returned -48.9% over the year to Sep 28, 2026 and +96.5% over five years.
- Over ten years KTOS returned +545%, +20.5% a year compounded.
- KTOS's deepest drawdown was -99.8% from Mar 6, 2000 to Jan 26, 2016.
- DataCedar holds 6,763 daily sessions of KTOS history from Nov 5, 1999 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
KTOS price chart, 1999 to 2026
KTOS returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -15.3% |
| 3 months | -6.7% |
| 6 months | -38.7% |
| Year to date | -42.0% |
| 1 year | -48.9% |
| 3 years | +195.6% |
| 5 years | +96.5% |
| 10 years | +545.2% |
| Since Nov 5, 1999 | -92.9% |
| Compound annual growth, 26.9 years | -9.4% |
KTOS records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $1,579 on Mar 6, 2000
- All time low close
- $2.99 on Jan 26, 2016
- 52 week high
- $134.00 on Jan 20, 2026
- 52 week low
- $43.09 on Jul 30, 2026
- Deepest drawdown
- -99.8% from Mar 6, 2000 to Jan 26, 2016, not yet recovered
- Best single session
- +40.9% on Feb 29, 2000
- Worst single session
- -35.0% on Mar 30, 2001
- Volatility, 1 year annualised
- 71.4%
- Sessions closing higher, 1 year
- 46%
- Best calendar year
- 2025, +188%
- Worst calendar year
- 2001, -81%
KTOS 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. 1999 starts on Nov 5, 1999; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $76.55 | $134.00 | $43.09 | $44.07 | -41.9% | 800.7M | 185 |
| 2025 | $26.37 | $112.57 | $23.90 | $75.91 | +187.8% | 855.8M | 250 |
| 2024 | $20.29 | $28.71 | $16.71 | $26.38 | +30.0% | 285.1M | 252 |
| 2023 | $10.29 | $21.42 | $9.87 | $20.29 | +96.6% | 224.6M | 250 |
| 2022 | $19.43 | $22.26 | $8.90 | $10.32 | -46.8% | 245.6M | 251 |
| 2021 | $27.20 | $34.11 | $18.83 | $19.40 | -29.3% | 277.3M | 252 |
| 2020 | $18.06 | $28.53 | $5.00 | $27.43 | +52.3% | 294.1M | 253 |
| 2019 | $13.83 | $25.08 | $13.00 | $18.01 | +27.8% | 296M | 252 |
| 2018 | $11.02 | $16.09 | $8.90 | $14.09 | +33.1% | 362.1M | 251 |
| 2017 | $7.38 | $13.93 | $6.83 | $10.59 | +43.1% | 411M | 251 |
| 2016 | $4.05 | $8.22 | $2.80 | $7.40 | +80.5% | 148.5M | 252 |
| 2015 | $5.01 | $7.12 | $3.64 | $4.10 | -18.3% | 119.1M | 252 |
| 2014 | $7.59 | $9.18 | $4.21 | $5.02 | -34.6% | 147.8M | 252 |
| 2013 | $5.10 | $9.16 | $4.08 | $7.68 | +52.7% | 114M | 252 |
| 2012 | $6.15 | $7.79 | $4.14 | $5.03 | -15.7% | 83.4M | 250 |
| 2011 | $13.25 | $14.77 | $4.61 | $5.97 | -54.7% | 65.2M | 252 |
| 2010 | $10.36 | $15.56 | $9.27 | $13.17 | +24.8% | 23.6M | 252 |
| 2009 | $13.40 | $13.90 | $5.80 | $10.55 | -24.6% | 6.3M | 252 |
| 2008 | $23.20 | $23.50 | $9.00 | $14.00 | -40.4% | 3.4M | 253 |
| 2007 | $28.40 | $30.90 | $10.10 | $23.50 | -17.5% | 11.9M | 251 |
| 2006 | $51.50 | $55.60 | $18.50 | $28.50 | -44.1% | 13.7M | 251 |
| 2005 | $98.00 | $99.30 | $49.20 | $51.00 | -46.0% | 13.7M | 252 |
| 2004 | $148.90 | $184.40 | $46.10 | $94.40 | -36.5% | 20.4M | 252 |
| 2003 | $60.10 | $186.00 | $50.10 | $148.60 | +147.3% | 14.1M | 252 |
| 2002 | $68.70 | $75.50 | $35.00 | $60.10 | -10.7% | 4.4M | 252 |
| 2001 | $380.00 | $451.88 | $33.13 | $67.30 | -81.4% | 16.7M | 248 |
| 2000 | $460.63 | $1,635 | $271.25 | $362.50 | -16.9% | 11.3M | 252 |
| 1999 | $150.00 | $743.75 | $150.00 | $436.25 | n/a | 3.4M | 39 |
KTOS monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $44.07 | -13.6% |
| August 2026 | $50.98 | +9.4% |
| July 2026 | $46.60 | -6.5% |
| June 2026 | $49.86 | -22.3% |
| May 2026 | $64.13 | +1.7% |
| April 2026 | $63.05 | -10.6% |
| March 2026 | $70.51 | -18.2% |
| February 2026 | $86.18 | -16.3% |
| January 2026 | $103.01 | +35.7% |
| December 2025 | $75.91 | -0.2% |
| November 2025 | $76.10 | -16.0% |
| October 2025 | $90.60 | -0.8% |
About the KTOS data
Daily bars. 6,763 sessions from Nov 5, 1999 to Sep 28, 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 Sep 28, 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 Nov 5, 1999, 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/KTOS/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
KTOS share price history
