Data I/O Stock Price History
NASDAQ: DAIOIndustrialsElectrical ProductsUSD
2.91+0.06 (+2.11%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
DAIO price history at a glance
The price history for Data I/O (DAIO) on this page begins on January 2, 1989, when the stock closed at $8.63; it most recently closed at $2.91 on October 5, 2026. The highest price in this record is $16.49, reached on November 27, 2017; the latest close is 82.4% below that peak. Across the 37 complete calendar years in the table, DAIO finished higher in 16 and lower in 21. Its best year was 2003 (+253.1%) and its worst was 1998 (-71.4%).
Over roughly 38 years the share price changed -66.3%, a -2.8% compound annual price return (excluding dividends). In the last 12 months alone, DAIO has lost 12.6%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 1989
- $16.49
- Date of high
- Nov 27, 2017
- Low since 1989
- $0.41
- Date of low
- Jul 22, 2002
- 52-week high
- $4.49
- 52-week low
- $2.16
- IPO year
- 1981
- Last close
- $2.91
DAIO returns
1 week
-2.35%
1 month
+4.68%
3 months
-17.33%
6 months
+23.31%
Year to date
-8.20%
1 year
-12.61%
3 years
-21.77%
5 years
-54.60%
DAIO price return, excluding dividends.
DAIO annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 2.91 | -11.82% |
| 2025 | 3.30 | +16.61% |
| 2024 | 2.83 | -3.74% |
| 2023 | 2.94 | -25.94% |
| 2022 | 3.97 | -13.88% |
| 2021 | 4.61 | +11.89% |
| 2020 | 4.12 | -2.14% |
| 2019 | 4.21 | -19.66% |
| 2018 | 5.24 | -56.48% |
| 2017 | 12.04 | +188.04% |
| 2016 | 4.18 | +65.87% |
| 2015 | 2.52 | -25.22% |
| 2014 | 3.37 | +22.55% |
| 2013 | 2.75 | +66.67% |
| 2012 | 1.65 | -55.88% |
| 2011 | 3.74 | -34.84% |
| 2010 | 5.74 | +28.70% |
| 2009 | 4.46 | +71.54% |
| 2008 | 2.60 | -55.93% |
| 2007 | 5.90 | +63.89% |
| 2006 | 3.60 | -14.29% |
| 2005 | 4.20 | +41.41% |
| 2004 | 2.97 | -12.39% |
| 2003 | 3.39 | +253.13% |
| 2002 | 0.96 | -48.11% |
| 2001 | 1.85 | -10.30% |
| 2000 | 2.06 | -25.00% |
| 1999 | 2.75 | +60.00% |
| 1998 | 1.72 | -71.35% |
| 1997 | 6.00 | +20.00% |
| 1996 | 5.00 | -27.27% |
| 1995 | 6.88 | +25.00% |
| 1994 | 5.50 | +125.64% |
| 1993 | 2.44 | -48.68% |
| 1992 | 4.75 | -9.52% |
| 1991 | 5.25 | +147.06% |
| 1990 | 2.13 | -39.29% |
| 1989 | 3.50 | -59.42% |
2026 return is year to date.
DAIO daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 2.87 | 2.93 | 2.83 | 2.91 | +2.11% | |
| 2.90 | 2.91 | 2.85 | 2.85 | -1.72% | |
| 2.98 | 2.98 | 2.86 | 2.90 | -1.02% | |
| 2.98 | 3.00 | 2.89 | 2.93 | +1.38% | |
| 2.89 | 2.99 | 2.89 | 2.89 | -3.02% | |
| 2.95 | 3.03 | 2.82 | 2.98 | +1.36% | |
| 2.93 | 3.04 | 2.89 | 2.94 | +0.34% | |
| 2.99 | 3.01 | 2.91 | 2.93 | -1.35% | |
| 2.93 | 3.01 | 2.87 | 2.97 | +4.21% | |
| 3.02 | 3.02 | 2.84 | 2.85 | 0.00% | |
| 2.94 | 3.00 | 2.85 | 2.85 | -1.04% | |
| 2.94 | 2.94 | 2.83 | 2.88 | +0.70% | |
| 2.86 | 2.94 | 2.84 | 2.86 | -0.69% | |
| 2.93 | 2.95 | 2.85 | 2.88 | -0.69% | |
| 2.92 | 3.04 | 2.85 | 2.90 | +3.20% | |
| 2.81 | 2.94 | 2.79 | 2.81 | -0.71% | |
| 2.79 | 3.00 | 2.79 | 2.83 | +1.07% | |
| 2.81 | 2.84 | 2.76 | 2.80 | +1.08% | |
| 2.76 | 2.81 | 2.74 | 2.77 | +0.36% | |
| 2.76 | 2.81 | 2.74 | 2.76 | -0.36% | |
| 2.80 | 2.87 | 2.77 | 2.77 | +2.21% | |
| 2.79 | 2.85 | 2.71 | 2.71 | -2.52% | |
| 2.77 | 2.91 | 2.77 | 2.78 | -0.71% | |
| 2.86 | 2.88 | 2.76 | 2.80 | -1.41% | |
| 2.84 | 2.90 | 2.79 | 2.84 | 0.00% | |
| 2.81 | 2.90 | 2.80 | 2.84 | +0.71% | |
| 2.91 | 2.97 | 2.82 | 2.82 | -0.35% | |
| 2.98 | 2.98 | 2.79 | 2.83 | -2.08% | |
| 2.95 | 2.99 | 2.88 | 2.89 | -1.37% | |
| 3.02 | 3.10 | 2.93 | 2.93 | -1.68% | |
| 3.05 | 3.18 | 2.91 | 2.98 | +2.41% | |
| 2.90 | 3.07 | 2.88 | 2.91 | +0.34% | |
| 2.96 | 3.02 | 2.90 | 2.90 | +0.69% | |
| 2.96 | 3.09 | 2.88 | 2.88 | -3.03% | |
| 2.96 | 3.02 | 2.90 | 2.97 | 0.00% | |
| 2.90 | 3.21 | 2.90 | 2.97 | +3.13% | |
| 2.99 | 3.01 | 2.88 | 2.88 | -3.68% | |
| 3.08 | 3.20 | 2.98 | 2.99 | -3.86% | |
| 3.15 | 3.17 | 3.10 | 3.11 | -1.58% | |
| 3.24 | 3.29 | 3.16 | 3.16 | -1.86% | |
| 3.13 | 3.30 | 3.05 | 3.22 | +7.33% | |
| 2.97 | 3.13 | 2.91 | 3.00 | +2.74% | |
| 3.03 | 3.23 | 2.82 | 2.92 | +1.04% | |
| 2.88 | 2.99 | 2.83 | 2.89 | -3.02% | |
| 2.99 | 3.17 | 2.96 | 2.98 | -0.33% | |
| 2.95 | 3.12 | 2.94 | 2.99 | -0.33% | |
| 3.04 | 3.13 | 2.95 | 3.00 | -1.32% | |
| 2.87 | 3.10 | 2.87 | 3.04 | +2.70% | |
| 2.92 | 3.14 | 2.82 | 2.96 | +4.23% | |
| 2.92 | 2.94 | 2.84 | 2.84 | -2.74% | |
| 3.18 | 3.18 | 2.88 | 2.92 | -1.68% | |
| 3.02 | 3.02 | 2.92 | 2.97 | -3.26% | |
| 3.05 | 3.10 | 2.89 | 3.07 | +0.33% | |
| 3.12 | 3.25 | 2.98 | 3.06 | -1.92% | |
| 3.14 | 3.25 | 3.09 | 3.12 | -0.64% | |
| 3.20 | 3.21 | 3.14 | 3.14 | -1.88% | |
| 3.20 | 3.29 | 3.15 | 3.20 | +0.31% | |
| 3.27 | 3.35 | 3.19 | 3.19 | -1.24% | |
| 3.35 | 3.40 | 3.21 | 3.23 | -3.58% | |
| 3.25 | 3.44 | 3.25 | 3.35 | +0.90% | |
| 3.46 | 3.47 | 3.30 | 3.32 | -3.49% | |
| 3.43 | 3.57 | 3.32 | 3.44 | +1.18% | |
| 3.32 | 3.51 | 3.32 | 3.40 | +1.80% | |
| 3.56 | 3.67 | 3.31 | 3.34 | -5.11% | |
| 3.60 | 3.72 | 3.52 | 3.52 | -3.30% | |
| 3.51 | 3.75 | 3.51 | 3.64 | +4.60% | |
| 3.57 | 3.65 | 3.46 | 3.48 | -4.13% | |
| 3.66 | 3.80 | 3.62 | 3.63 | -1.89% | |
| 3.81 | 3.94 | 3.63 | 3.70 | -1.60% | |
| 3.86 | 4.00 | 3.76 | 3.76 | -3.09% | |
| 3.89 | 3.98 | 3.83 | 3.88 | -1.52% | |
| 4.01 | 4.05 | 3.92 | 3.94 | -0.76% | |
| 3.82 | 4.14 | 3.80 | 3.97 | +5.59% | |
| 3.72 | 3.80 | 3.66 | 3.76 | +1.08% | |
| 3.81 | 3.81 | 3.66 | 3.72 | -0.27% | |
| 3.81 | 3.90 | 3.66 | 3.73 | -3.12% | |
| 3.55 | 3.95 | 3.55 | 3.85 | +4.05% | |
| 3.70 | 3.83 | 3.60 | 3.70 | -0.27% | |
| 3.82 | 3.93 | 3.60 | 3.71 | -3.64% | |
| 3.88 | 3.96 | 3.70 | 3.85 | -0.77% | |
| 4.06 | 4.08 | 3.81 | 3.88 | -3.72% | |
| 4.05 | 4.10 | 3.95 | 4.03 | 0.00% | |
| 3.99 | 4.05 | 3.92 | 4.03 | +1.00% | |
| 3.77 | 4.04 | 3.58 | 3.99 | +7.55% | |
| 3.54 | 3.79 | 3.46 | 3.71 | +2.20% | |
| 3.60 | 3.76 | 3.41 | 3.63 | +0.83% | |
| 3.60 | 3.66 | 3.53 | 3.60 | 0.00% | |
| 3.84 | 3.85 | 3.56 | 3.60 | -8.40% | |
| 4.00 | 4.14 | 3.80 | 3.93 | -3.68% | |
| 4.15 | 4.15 | 3.92 | 4.08 | -1.92% | |
| 4.25 | 4.30 | 4.03 | 4.16 | -2.35% | |
| 4.30 | 4.40 | 3.93 | 4.26 | +0.71% | |
| 4.22 | 4.49 | 4.06 | 4.23 | -0.47% | |
| 3.22 | 4.44 | 3.21 | 4.25 | +33.23% | |
| 3.18 | 3.27 | 3.11 | 3.19 | +1.27% | |
| 3.13 | 3.20 | 3.07 | 3.15 | -0.94% | |
| 3.05 | 3.19 | 3.05 | 3.18 | +4.26% | |
| 3.19 | 3.19 | 2.98 | 3.05 | -3.79% | |
| 3.03 | 3.17 | 2.99 | 3.17 | +2.26% | |
| 3.01 | 3.19 | 2.96 | 3.10 | +2.65% | |
| 3.24 | 3.24 | 3.00 | 3.02 | -5.63% | |
| 2.76 | 3.29 | 2.76 | 3.20 | +9.97% | |
| 2.81 | 3.08 | 2.72 | 2.91 | +5.05% | |
| 2.83 | 2.92 | 2.68 | 2.77 | -3.82% | |
| 2.96 | 2.96 | 2.85 | 2.88 | -1.03% | |
| 2.83 | 3.11 | 2.67 | 2.91 | +3.93% | |
| 2.83 | 2.87 | 2.76 | 2.80 | -1.06% | |
| 2.87 | 2.92 | 2.82 | 2.83 | -0.35% | |
| 2.82 | 2.95 | 2.80 | 2.84 | 0.00% | |
| 2.77 | 2.84 | 2.77 | 2.84 | +2.53% | |
| 2.81 | 2.95 | 2.77 | 2.77 | +0.36% | |
| 2.69 | 2.89 | 2.69 | 2.76 | +1.85% | |
| 2.58 | 2.71 | 2.55 | 2.71 | +5.04% | |
| 2.59 | 2.63 | 2.52 | 2.58 | +0.78% | |
| 2.57 | 2.70 | 2.51 | 2.56 | 0.00% | |
| 2.76 | 2.78 | 2.56 | 2.56 | -6.57% | |
| 2.56 | 2.74 | 2.51 | 2.74 | +7.87% | |
| 2.53 | 2.57 | 2.50 | 2.54 | +1.20% | |
| 2.54 | 2.70 | 2.45 | 2.51 | +0.40% | |
| 2.53 | 2.60 | 2.48 | 2.50 | -1.96% | |
| 2.68 | 2.73 | 2.31 | 2.55 | -0.78% | |
| 2.59 | 2.60 | 2.46 | 2.57 | -1.53% | |
| 2.65 | 2.65 | 2.49 | 2.61 | +3.98% | |
| 2.48 | 2.54 | 2.40 | 2.51 | +2.45% | |
| 2.37 | 2.49 | 2.36 | 2.45 | +4.26% | |
| 2.50 | 2.50 | 2.35 | 2.35 | -0.42% | |
| 2.22 | 2.44 | 2.22 | 2.36 | +5.36% | |
| 2.20 | 2.30 | 2.17 | 2.24 | 0.00% | |
| 2.22 | 2.40 | 2.20 | 2.24 | +0.90% | |
| 2.24 | 2.28 | 2.20 | 2.22 | +2.30% | |
| 2.25 | 2.27 | 2.16 | 2.17 | -4.82% | |
| 2.43 | 2.43 | 2.19 | 2.28 | -3.80% | |
| 2.49 | 2.69 | 2.28 | 2.37 | -6.32% | |
| 2.51 | 2.55 | 2.46 | 2.53 | +0.80% | |
| 2.67 | 2.67 | 2.50 | 2.51 | -5.64% | |
| 2.65 | 2.69 | 2.62 | 2.66 | -0.75% | |
| 2.53 | 2.75 | 2.45 | 2.68 | +5.93% | |
| 2.41 | 2.57 | 2.41 | 2.53 | +4.98% | |
| 2.40 | 2.48 | 2.40 | 2.41 | -1.63% | |
| 2.44 | 2.55 | 2.42 | 2.45 | -0.41% | |
| 2.54 | 2.61 | 2.41 | 2.46 | -3.53% | |
| 2.60 | 2.64 | 2.55 | 2.55 | -1.54% | |
| 2.67 | 2.76 | 2.59 | 2.59 | -3.00% | |
| 2.71 | 2.72 | 2.66 | 2.67 | +0.38% | |
| 2.73 | 2.73 | 2.66 | 2.66 | -0.75% | |
| 2.74 | 2.75 | 2.67 | 2.68 | 0.00% | |
| 2.73 | 2.75 | 2.67 | 2.68 | -1.11% | |
| 2.67 | 2.75 | 2.67 | 2.71 | +2.65% | |
| 2.70 | 2.79 | 2.64 | 2.64 | -3.30% | |
| 2.67 | 2.87 | 2.66 | 2.73 | -0.36% | |
| 2.71 | 2.80 | 2.67 | 2.74 | -0.72% | |
| 2.85 | 2.86 | 2.76 | 2.76 | -3.83% | |
| 2.79 | 2.95 | 2.78 | 2.87 | +4.74% | |
| 2.71 | 2.83 | 2.70 | 2.74 | -2.14% | |
| 2.76 | 2.91 | 2.72 | 2.80 | +1.08% | |
| 2.76 | 2.90 | 2.69 | 2.77 | -1.42% | |
| 2.90 | 2.99 | 2.80 | 2.81 | -2.43% | |
| 2.93 | 2.96 | 2.85 | 2.88 | +2.49% | |
| 2.92 | 2.92 | 2.81 | 2.81 | +1.44% | |
| 2.79 | 2.86 | 2.77 | 2.77 | -1.07% | |
| 2.81 | 2.97 | 2.78 | 2.80 | -2.10% | |
| 2.89 | 3.05 | 2.80 | 2.86 | +1.42% | |
| 2.83 | 3.00 | 2.81 | 2.82 | -0.35% | |
| 2.94 | 2.94 | 2.81 | 2.83 | -2.41% | |
| 3.03 | 3.11 | 2.90 | 2.90 | -4.92% | |
| 3.06 | 3.13 | 2.91 | 3.05 | -0.97% | |
| 3.03 | 3.11 | 3.03 | 3.08 | +0.98% | |
| 3.09 | 3.22 | 3.05 | 3.05 | -0.97% | |
| 3.08 | 3.13 | 3.08 | 3.08 | +0.98% | |
| 3.05 | 3.17 | 3.05 | 3.05 | -1.61% | |
| 3.14 | 3.21 | 3.08 | 3.10 | -0.96% | |
| 3.24 | 3.24 | 3.10 | 3.13 | -1.88% | |
| 3.16 | 3.23 | 3.12 | 3.19 | +2.57% | |
| 3.08 | 3.19 | 3.08 | 3.11 | +0.32% | |
| 3.15 | 3.20 | 3.05 | 3.10 | -1.27% | |
| 3.07 | 3.18 | 3.06 | 3.14 | +2.61% | |
| 3.16 | 3.16 | 3.03 | 3.06 | +0.66% | |
| 3.07 | 3.11 | 3.04 | 3.04 | -1.94% | |
| 3.08 | 3.20 | 3.08 | 3.10 | -3.73% | |
| 3.16 | 3.22 | 3.16 | 3.22 | -0.62% | |
| 3.24 | 3.24 | 3.17 | 3.24 | +1.89% | |
| 3.20 | 3.24 | 3.16 | 3.18 | -1.55% | |
| 3.23 | 3.25 | 3.20 | 3.23 | -0.92% | |
| 3.26 | 3.29 | 3.23 | 3.26 | -1.21% | |
| 3.25 | 3.30 | 3.10 | 3.30 | +3.12% | |
| 3.06 | 3.20 | 3.06 | 3.20 | +4.58% | |
| 3.16 | 3.24 | 3.06 | 3.06 | -4.08% | |
| 3.13 | 3.21 | 3.13 | 3.19 | +1.27% | |
| 3.15 | 3.20 | 3.13 | 3.15 | -2.17% | |
| 3.14 | 3.22 | 3.12 | 3.22 | +3.21% | |
| 3.11 | 3.17 | 3.10 | 3.12 | 0.00% | |
| 3.17 | 3.25 | 3.04 | 3.12 | -3.11% | |
| 3.32 | 3.32 | 3.22 | 3.22 | -2.42% | |
| 3.19 | 3.30 | 3.19 | 3.30 | +4.10% | |
| 3.16 | 3.23 | 3.13 | 3.17 | -2.16% | |
| 3.40 | 3.40 | 3.22 | 3.24 | -4.14% | |
| 3.28 | 3.39 | 3.27 | 3.38 | +4.97% | |
| 3.07 | 3.25 | 3.02 | 3.22 | +6.27% | |
| 3.20 | 3.20 | 3.00 | 3.03 | +2.02% | |
| 3.08 | 3.17 | 2.92 | 2.97 | 0.00% | |
| 2.97 | 3.07 | 2.97 | 2.97 | -0.67% | |
| 2.98 | 3.09 | 2.98 | 2.99 | -1.64% | |
| 3.05 | 3.15 | 2.99 | 3.04 | -0.65% | |
| 3.12 | 3.12 | 3.00 | 3.06 | -1.61% | |
| 3.18 | 3.18 | 3.08 | 3.11 | -0.96% | |
| 3.03 | 3.14 | 3.03 | 3.14 | -0.95% | |
| 3.18 | 3.19 | 3.10 | 3.17 | -0.94% | |
| 3.14 | 3.20 | 3.03 | 3.20 | +2.24% | |
| 2.97 | 3.18 | 2.90 | 3.13 | +5.39% | |
| 2.86 | 3.01 | 2.86 | 2.97 | +2.77% | |
| 2.98 | 3.05 | 2.88 | 2.89 | -2.69% | |
| 2.84 | 2.97 | 2.81 | 2.97 | +4.58% | |
| 2.82 | 2.93 | 2.82 | 2.84 | +1.43% | |
| 2.80 | 2.85 | 2.74 | 2.80 | 0.00% | |
| 2.78 | 2.80 | 2.65 | 2.80 | +2.56% | |
| 2.88 | 2.89 | 2.73 | 2.73 | -5.21% | |
| 2.85 | 2.89 | 2.77 | 2.88 | +2.86% | |
| 2.78 | 2.86 | 2.76 | 2.80 | 0.00% | |
| 2.65 | 2.84 | 2.65 | 2.80 | +5.66% | |
| 2.84 | 2.84 | 2.65 | 2.65 | -5.02% | |
| 2.63 | 2.94 | 2.60 | 2.79 | +6.08% | |
| 2.66 | 2.75 | 2.55 | 2.63 | -2.23% | |
| 2.64 | 2.76 | 2.50 | 2.69 | +8.03% | |
| 2.65 | 2.65 | 2.49 | 2.49 | -6.04% | |
| 2.72 | 2.85 | 2.65 | 2.65 | -2.57% | |
| 2.72 | 2.89 | 2.72 | 2.72 | 0.00% | |
| 2.79 | 2.88 | 2.72 | 2.72 | -2.86% | |
| 2.92 | 2.92 | 2.77 | 2.80 | -1.06% | |
| 2.82 | 2.99 | 2.80 | 2.83 | -1.05% | |
| 2.89 | 2.94 | 2.86 | 2.86 | -0.69% | |
| 2.90 | 2.97 | 2.88 | 2.88 | -3.03% | |
| 2.92 | 3.00 | 2.91 | 2.97 | +0.68% | |
| 2.92 | 3.08 | 2.92 | 2.95 | -1.99% | |
| 3.00 | 3.03 | 2.92 | 3.01 | 0.00% | |
| 2.98 | 3.04 | 2.95 | 3.01 | -0.66% | |
| 3.05 | 3.15 | 2.90 | 3.03 | -2.88% | |
| 3.04 | 3.13 | 3.01 | 3.12 | +0.32% | |
| 3.05 | 3.13 | 3.00 | 3.11 | +2.98% | |
| 3.06 | 3.06 | 3.00 | 3.02 | +0.33% | |
| 3.04 | 3.10 | 3.00 | 3.01 | -0.99% | |
| 3.00 | 3.10 | 3.00 | 3.04 | 0.00% | |
| 2.99 | 3.09 | 2.92 | 3.04 | +0.66% | |
| 3.06 | 3.08 | 2.93 | 3.02 | +0.33% | |
| 3.06 | 3.11 | 3.01 | 3.01 | -3.22% | |
| 3.06 | 3.19 | 3.06 | 3.11 | +3.32% | |
| 3.06 | 3.06 | 3.01 | 3.01 | -2.27% | |
| 3.03 | 3.15 | 3.03 | 3.08 | -0.96% | |
| 3.01 | 3.12 | 3.01 | 3.11 | +1.97% | |
| 3.08 | 3.22 | 3.02 | 3.05 | -0.97% | |
| 3.08 | 3.28 | 3.03 | 3.08 | +0.98% | |
| 3.32 | 3.32 | 3.00 | 3.05 | -8.41% | |
| 3.27 | 3.35 | 3.26 | 3.33 | +0.60% | |
| 3.25 | 3.34 | 3.25 | 3.31 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the DAIO chart for longer ranges.