Dyadic International Stock Price History
NASDAQ: DYAIHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
0.4441-0.0003 (-0.07%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
DYAI price history at a glance
The price history for Dyadic International (DYAI) on this page begins on January 14, 2008, when the stock closed at $0.50; it most recently closed at $0.4441 on October 5, 2026. The highest price in this record is $10.98, reached on June 22, 2020; the latest close is 96.0% below that peak. Across the 17 complete calendar years in the table, DYAI finished higher in 8 and lower in 9. Its best year was 2009 (+1473.3%) and its worst was 2022 (-72.8%).
Over roughly 19 years the share price changed -11.2%, a -0.6% compound annual price return (excluding dividends). In the last 12 months alone, DYAI has lost 57.7%. 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 2008
- $10.98
- Date of high
- Jun 22, 2020
- Low since 2008
- $0.05
- Date of low
- Sep 29, 2008
- 52-week high
- $1.60
- 52-week low
- $0.34
- Last close
- $0.4441
DYAI returns
1 week
-3.46%
1 month
-12.92%
3 months
-58.10%
6 months
-50.10%
Year to date
-52.76%
1 year
-57.70%
3 years
-76.38%
5 years
-90.84%
DYAI price return, excluding dividends.
DYAI annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 0.4441 | -52.76% |
| 2025 | 0.94 | -48.91% |
| 2024 | 1.84 | +14.29% |
| 2023 | 1.61 | +30.89% |
| 2022 | 1.23 | -72.79% |
| 2021 | 4.52 | -15.99% |
| 2020 | 5.38 | +4.67% |
| 2019 | 5.14 | +170.53% |
| 2018 | 1.90 | +36.69% |
| 2017 | 1.39 | -16.27% |
| 2016 | 1.66 | -8.29% |
| 2015 | 1.81 | +64.55% |
| 2014 | 1.10 | -26.67% |
| 2013 | 1.50 | -20.63% |
| 2012 | 1.89 | +94.85% |
| 2011 | 0.97 | -54.46% |
| 2010 | 2.13 | -9.75% |
| 2009 | 2.36 | +1473.33% |
| 2008* | 0.15 | -70.00% |
* Partial year: the record begins after the start of 2008; return measured from the first available close.
2026 return is year to date.
DYAI daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 0.468 | 0.4698 | 0.444 | 0.4441 | -0.07% | |
| 0.462 | 0.462 | 0.44 | 0.4444 | -2.65% | |
| 0.452 | 0.489 | 0.452 | 0.4565 | +1.44% | |
| 0.47 | 0.49 | 0.45 | 0.45 | 0.00% | |
| 0.46 | 0.48 | 0.44 | 0.45 | -2.17% | |
| 0.46 | 0.49 | 0.44 | 0.46 | +6.98% | |
| 0.44 | 0.45 | 0.43 | 0.43 | -2.27% | |
| 0.49 | 0.50 | 0.44 | 0.44 | -6.38% | |
| 0.44 | 0.48 | 0.44 | 0.47 | 0.00% | |
| 0.44 | 0.48 | 0.42 | 0.47 | +11.90% | |
| 0.44 | 0.46 | 0.40 | 0.42 | -4.55% | |
| 0.41 | 0.46 | 0.41 | 0.44 | +7.32% | |
| 0.41 | 0.43 | 0.38 | 0.41 | +2.50% | |
| 0.42 | 0.44 | 0.40 | 0.40 | 0.00% | |
| 0.40 | 0.43 | 0.39 | 0.40 | -4.76% | |
| 0.44 | 0.46 | 0.40 | 0.42 | 0.00% | |
| 0.41 | 0.43 | 0.40 | 0.42 | +5.00% | |
| 0.42 | 0.43 | 0.34 | 0.40 | -6.98% | |
| 0.42 | 0.45 | 0.39 | 0.43 | +2.38% | |
| 0.48 | 0.49 | 0.35 | 0.42 | -12.50% | |
| 0.50 | 0.52 | 0.46 | 0.48 | -2.04% | |
| 0.51 | 0.51 | 0.48 | 0.49 | -3.92% | |
| 0.53 | 0.53 | 0.50 | 0.51 | -1.92% | |
| 0.54 | 0.58 | 0.51 | 0.52 | 0.00% | |
| 0.50 | 0.53 | 0.48 | 0.52 | +4.00% | |
| 0.52 | 0.56 | 0.48 | 0.50 | -3.85% | |
| 0.53 | 0.56 | 0.50 | 0.52 | -1.89% | |
| 0.55 | 0.58 | 0.51 | 0.53 | -5.36% | |
| 0.62 | 0.64 | 0.51 | 0.56 | -8.20% | |
| 0.65 | 0.66 | 0.60 | 0.61 | -4.69% | |
| 0.69 | 0.69 | 0.62 | 0.64 | -3.03% | |
| 0.70 | 0.72 | 0.65 | 0.66 | -4.35% | |
| 0.70 | 0.72 | 0.68 | 0.69 | +1.47% | |
| 0.71 | 0.73 | 0.67 | 0.68 | -1.45% | |
| 0.71 | 0.73 | 0.68 | 0.69 | -1.43% | |
| 0.74 | 0.75 | 0.70 | 0.70 | -5.41% | |
| 0.76 | 0.76 | 0.73 | 0.74 | -2.63% | |
| 0.78 | 0.79 | 0.75 | 0.76 | -2.56% | |
| 0.75 | 0.81 | 0.75 | 0.78 | 0.00% | |
| 0.77 | 0.82 | 0.75 | 0.78 | +1.30% | |
| 0.84 | 0.85 | 0.76 | 0.77 | -12.50% | |
| 1.02 | 1.02 | 0.86 | 0.88 | -16.19% | |
| 0.98 | 1.10 | 0.98 | 1.05 | +5.00% | |
| 0.99 | 1.03 | 0.97 | 1.00 | 0.00% | |
| 1.02 | 1.05 | 0.97 | 1.00 | -1.96% | |
| 0.97 | 1.05 | 0.96 | 1.02 | +5.15% | |
| 1.09 | 1.20 | 0.95 | 0.97 | -10.19% | |
| 1.07 | 1.16 | 1.06 | 1.08 | +1.89% | |
| 1.04 | 1.09 | 1.03 | 1.06 | +0.95% | |
| 1.08 | 1.15 | 1.04 | 1.05 | -1.87% | |
| 1.07 | 1.17 | 1.06 | 1.07 | +0.94% | |
| 1.09 | 1.14 | 1.06 | 1.06 | 0.00% | |
| 1.12 | 1.27 | 1.06 | 1.06 | -6.19% | |
| 1.19 | 1.21 | 1.12 | 1.13 | -5.04% | |
| 1.21 | 1.26 | 1.12 | 1.19 | -1.65% | |
| 1.28 | 1.38 | 1.17 | 1.21 | -6.92% | |
| 1.50 | 1.60 | 1.27 | 1.30 | -11.56% | |
| 1.22 | 1.55 | 1.20 | 1.47 | +21.49% | |
| 1.26 | 1.30 | 1.18 | 1.21 | -3.97% | |
| 1.17 | 1.31 | 1.17 | 1.26 | +5.88% | |
| 1.24 | 1.24 | 1.16 | 1.19 | -2.46% | |
| 1.25 | 1.30 | 1.16 | 1.22 | +0.83% | |
| 1.03 | 1.34 | 1.01 | 1.21 | +18.63% | |
| 1.06 | 1.15 | 0.98 | 1.02 | -3.77% | |
| 1.08 | 1.12 | 1.04 | 1.06 | -0.93% | |
| 0.99 | 1.10 | 0.97 | 1.07 | +7.00% | |
| 1.01 | 1.04 | 0.95 | 1.00 | -5.66% | |
| 1.00 | 1.16 | 0.96 | 1.06 | +9.28% | |
| 0.98 | 0.98 | 0.94 | 0.97 | +3.19% | |
| 1.00 | 1.00 | 0.92 | 0.94 | -7.84% | |
| 0.93 | 1.03 | 0.90 | 1.02 | +13.33% | |
| 0.89 | 0.93 | 0.87 | 0.90 | +2.27% | |
| 0.85 | 0.89 | 0.85 | 0.88 | +10.00% | |
| 0.77 | 0.85 | 0.74 | 0.80 | +8.11% | |
| 0.75 | 0.84 | 0.74 | 0.74 | +1.37% | |
| 0.80 | 0.82 | 0.73 | 0.73 | -9.88% | |
| 0.78 | 0.85 | 0.76 | 0.81 | +3.85% | |
| 0.78 | 0.80 | 0.76 | 0.78 | 0.00% | |
| 0.85 | 0.89 | 0.78 | 0.78 | -8.24% | |
| 0.76 | 0.85 | 0.76 | 0.85 | +8.97% | |
| 0.80 | 0.81 | 0.75 | 0.78 | -2.50% | |
| 0.71 | 0.80 | 0.71 | 0.80 | +17.65% | |
| 0.69 | 0.73 | 0.67 | 0.68 | 0.00% | |
| 0.70 | 0.71 | 0.66 | 0.68 | -6.85% | |
| 0.68 | 0.73 | 0.68 | 0.73 | +7.35% | |
| 0.72 | 0.73 | 0.66 | 0.68 | -2.86% | |
| 0.73 | 0.73 | 0.69 | 0.70 | -1.41% | |
| 0.70 | 0.72 | 0.69 | 0.71 | -1.39% | |
| 0.71 | 0.73 | 0.69 | 0.72 | +2.86% | |
| 0.70 | 0.73 | 0.68 | 0.70 | +1.45% | |
| 0.78 | 0.78 | 0.67 | 0.69 | -11.54% | |
| 0.80 | 0.83 | 0.75 | 0.78 | -3.70% | |
| 0.73 | 0.83 | 0.70 | 0.81 | +14.08% | |
| 0.77 | 0.78 | 0.67 | 0.71 | -6.58% | |
| 0.74 | 0.77 | 0.73 | 0.76 | 0.00% | |
| 0.75 | 0.78 | 0.73 | 0.76 | 0.00% | |
| 0.79 | 0.80 | 0.72 | 0.76 | +2.70% | |
| 0.73 | 0.74 | 0.73 | 0.74 | 0.00% | |
| 0.75 | 0.75 | 0.73 | 0.74 | +2.78% | |
| 0.73 | 0.75 | 0.68 | 0.72 | 0.00% | |
| 0.74 | 0.76 | 0.67 | 0.72 | 0.00% | |
| 0.74 | 0.74 | 0.70 | 0.72 | +4.35% | |
| 0.72 | 0.74 | 0.68 | 0.69 | -2.82% | |
| 0.73 | 0.75 | 0.71 | 0.71 | -1.39% | |
| 0.72 | 0.75 | 0.70 | 0.72 | 0.00% | |
| 0.79 | 0.79 | 0.70 | 0.72 | -6.49% | |
| 0.73 | 0.79 | 0.70 | 0.77 | +2.67% | |
| 0.75 | 0.75 | 0.74 | 0.75 | -1.32% | |
| 0.78 | 0.78 | 0.76 | 0.76 | -1.30% | |
| 0.76 | 0.78 | 0.76 | 0.77 | +2.67% | |
| 0.77 | 0.78 | 0.72 | 0.75 | -5.06% | |
| 0.80 | 0.81 | 0.77 | 0.79 | +1.28% | |
| 0.75 | 0.79 | 0.74 | 0.78 | +2.63% | |
| 0.85 | 0.85 | 0.70 | 0.76 | -6.17% | |
| 0.85 | 0.85 | 0.80 | 0.81 | -1.22% | |
| 0.84 | 0.85 | 0.82 | 0.82 | -4.65% | |
| 0.84 | 0.93 | 0.83 | 0.86 | -1.15% | |
| 0.93 | 0.93 | 0.84 | 0.87 | +4.82% | |
| 0.82 | 0.85 | 0.82 | 0.83 | -1.19% | |
| 0.88 | 0.88 | 0.81 | 0.84 | -4.55% | |
| 0.88 | 0.88 | 0.87 | 0.88 | 0.00% | |
| 0.88 | 0.88 | 0.88 | 0.88 | 0.00% | |
| 0.88 | 0.89 | 0.87 | 0.88 | 0.00% | |
| 0.88 | 0.88 | 0.87 | 0.88 | +1.15% | |
| 0.85 | 0.88 | 0.85 | 0.87 | +1.16% | |
| 0.90 | 0.94 | 0.86 | 0.86 | -3.37% | |
| 0.91 | 0.91 | 0.80 | 0.89 | +1.14% | |
| 0.88 | 0.93 | 0.88 | 0.88 | -1.12% | |
| 0.95 | 0.95 | 0.87 | 0.89 | +1.14% | |
| 0.87 | 0.91 | 0.87 | 0.88 | +1.15% | |
| 0.88 | 0.92 | 0.86 | 0.87 | -2.25% | |
| 0.86 | 0.91 | 0.81 | 0.89 | +4.71% | |
| 0.82 | 0.89 | 0.82 | 0.85 | +3.66% | |
| 0.73 | 0.90 | 0.71 | 0.82 | +12.33% | |
| 0.69 | 0.80 | 0.66 | 0.73 | +7.35% | |
| 0.72 | 0.75 | 0.66 | 0.68 | -2.86% | |
| 0.85 | 0.85 | 0.65 | 0.70 | -19.54% | |
| 0.90 | 0.94 | 0.85 | 0.87 | +3.57% | |
| 0.91 | 0.94 | 0.83 | 0.84 | -2.33% | |
| 0.97 | 0.97 | 0.85 | 0.86 | -8.51% | |
| 0.80 | 1.02 | 0.76 | 0.94 | +17.50% | |
| 0.78 | 0.81 | 0.75 | 0.80 | +2.56% | |
| 0.79 | 0.81 | 0.78 | 0.78 | -2.50% | |
| 0.84 | 0.85 | 0.75 | 0.80 | -1.23% | |
| 0.79 | 0.83 | 0.77 | 0.81 | +6.58% | |
| 0.78 | 0.80 | 0.76 | 0.76 | 0.00% | |
| 0.80 | 0.81 | 0.73 | 0.76 | -5.00% | |
| 0.83 | 0.83 | 0.79 | 0.80 | -3.61% | |
| 0.82 | 0.83 | 0.78 | 0.83 | +3.75% | |
| 0.77 | 0.83 | 0.75 | 0.80 | +3.90% | |
| 0.85 | 0.85 | 0.75 | 0.77 | +1.32% | |
| 0.83 | 0.86 | 0.76 | 0.76 | -7.32% | |
| 0.83 | 0.84 | 0.75 | 0.82 | +3.80% | |
| 0.77 | 0.79 | 0.77 | 0.79 | +2.60% | |
| 0.79 | 0.80 | 0.74 | 0.77 | -1.28% | |
| 0.78 | 0.79 | 0.76 | 0.78 | 0.00% | |
| 0.83 | 0.83 | 0.78 | 0.78 | -7.14% | |
| 0.80 | 0.84 | 0.80 | 0.84 | +2.44% | |
| 0.80 | 0.82 | 0.79 | 0.82 | +2.50% | |
| 0.79 | 0.81 | 0.75 | 0.80 | 0.00% | |
| 0.81 | 0.82 | 0.80 | 0.80 | 0.00% | |
| 0.81 | 0.82 | 0.79 | 0.80 | -1.23% | |
| 0.80 | 0.83 | 0.79 | 0.81 | 0.00% | |
| 0.85 | 0.85 | 0.79 | 0.81 | -2.41% | |
| 0.83 | 0.90 | 0.83 | 0.83 | 0.00% | |
| 0.81 | 0.85 | 0.81 | 0.83 | +3.75% | |
| 0.83 | 0.83 | 0.80 | 0.80 | -3.61% | |
| 0.84 | 0.85 | 0.83 | 0.83 | 0.00% | |
| 0.86 | 0.86 | 0.83 | 0.83 | -2.35% | |
| 0.83 | 0.86 | 0.82 | 0.85 | 0.00% | |
| 0.84 | 0.86 | 0.83 | 0.85 | 0.00% | |
| 0.84 | 0.86 | 0.80 | 0.85 | 0.00% | |
| 0.88 | 0.88 | 0.82 | 0.85 | -1.16% | |
| 0.89 | 0.90 | 0.86 | 0.86 | -1.15% | |
| 0.89 | 0.91 | 0.87 | 0.87 | -4.40% | |
| 0.85 | 0.92 | 0.85 | 0.91 | +3.41% | |
| 0.88 | 0.88 | 0.85 | 0.88 | 0.00% | |
| 0.88 | 0.88 | 0.87 | 0.88 | 0.00% | |
| 0.88 | 0.89 | 0.87 | 0.88 | -2.22% | |
| 0.90 | 0.93 | 0.90 | 0.90 | -1.10% | |
| 0.90 | 0.95 | 0.90 | 0.91 | +2.25% | |
| 0.88 | 0.90 | 0.87 | 0.89 | 0.00% | |
| 0.85 | 0.91 | 0.85 | 0.89 | +2.30% | |
| 0.87 | 0.90 | 0.87 | 0.87 | -2.25% | |
| 0.85 | 0.93 | 0.85 | 0.89 | +1.14% | |
| 0.86 | 0.88 | 0.86 | 0.88 | +1.15% | |
| 0.91 | 0.91 | 0.84 | 0.87 | -6.45% | |
| 0.93 | 0.95 | 0.91 | 0.93 | -2.11% | |
| 0.95 | 0.96 | 0.92 | 0.95 | -2.06% | |
| 0.97 | 0.97 | 0.92 | 0.97 | 0.00% | |
| 0.93 | 0.99 | 0.93 | 0.97 | +4.30% | |
| 0.92 | 0.94 | 0.91 | 0.93 | +2.20% | |
| 0.93 | 0.97 | 0.90 | 0.91 | -3.19% | |
| 0.98 | 0.98 | 0.91 | 0.94 | 0.00% | |
| 0.86 | 0.97 | 0.86 | 0.94 | +6.82% | |
| 0.87 | 0.90 | 0.83 | 0.88 | -1.12% | |
| 0.96 | 0.97 | 0.89 | 0.89 | -6.32% | |
| 1.00 | 1.00 | 0.92 | 0.95 | -3.06% | |
| 1.00 | 1.00 | 0.95 | 0.98 | -1.01% | |
| 0.99 | 1.02 | 0.97 | 0.99 | -1.00% | |
| 0.98 | 1.04 | 0.96 | 1.00 | 0.00% | |
| 0.89 | 1.04 | 0.89 | 1.00 | +9.89% | |
| 0.90 | 0.94 | 0.87 | 0.91 | +1.11% | |
| 0.90 | 0.92 | 0.87 | 0.90 | -1.10% | |
| 0.81 | 0.95 | 0.81 | 0.91 | +9.64% | |
| 0.90 | 0.90 | 0.80 | 0.83 | -8.79% | |
| 0.92 | 0.94 | 0.90 | 0.91 | -1.09% | |
| 0.98 | 1.02 | 0.89 | 0.92 | -7.07% | |
| 0.97 | 1.04 | 0.96 | 0.99 | -1.00% | |
| 0.97 | 1.02 | 0.95 | 1.00 | +1.01% | |
| 0.94 | 1.01 | 0.93 | 0.99 | +4.21% | |
| 0.98 | 1.00 | 0.95 | 0.95 | -5.00% | |
| 0.95 | 1.03 | 0.93 | 1.00 | +6.38% | |
| 0.92 | 0.99 | 0.88 | 0.94 | +3.30% | |
| 0.87 | 0.94 | 0.87 | 0.91 | -2.15% | |
| 1.13 | 1.14 | 0.85 | 0.93 | -2.11% | |
| 0.92 | 0.99 | 0.91 | 0.95 | +1.06% | |
| 0.96 | 0.99 | 0.94 | 0.94 | -1.05% | |
| 0.91 | 1.00 | 0.91 | 0.95 | +4.40% | |
| 0.91 | 0.99 | 0.90 | 0.91 | -1.09% | |
| 0.92 | 1.01 | 0.91 | 0.92 | -1.08% | |
| 0.95 | 1.00 | 0.93 | 0.93 | 0.00% | |
| 0.87 | 0.98 | 0.87 | 0.93 | +3.33% | |
| 0.87 | 0.95 | 0.85 | 0.90 | +1.12% | |
| 0.91 | 0.95 | 0.85 | 0.89 | -2.20% | |
| 0.95 | 0.98 | 0.91 | 0.91 | 0.00% | |
| 0.94 | 0.95 | 0.88 | 0.91 | -3.19% | |
| 0.95 | 1.00 | 0.92 | 0.94 | -4.08% | |
| 0.98 | 1.01 | 0.94 | 0.98 | -2.00% | |
| 0.92 | 1.04 | 0.91 | 1.00 | +7.53% | |
| 1.00 | 1.03 | 0.92 | 0.93 | -5.10% | |
| 1.02 | 1.04 | 0.98 | 0.98 | -5.77% | |
| 1.04 | 1.07 | 1.02 | 1.04 | -0.95% | |
| 1.05 | 1.09 | 1.05 | 1.05 | -2.78% | |
| 1.13 | 1.17 | 1.06 | 1.08 | -4.42% | |
| 1.20 | 1.20 | 1.10 | 1.13 | -3.42% | |
| 1.09 | 1.21 | 1.07 | 1.17 | +6.36% | |
| 1.11 | 1.18 | 1.09 | 1.10 | -2.65% | |
| 1.16 | 1.29 | 1.10 | 1.13 | -4.24% | |
| 1.18 | 1.25 | 1.10 | 1.18 | +3.51% | |
| 1.19 | 1.27 | 1.14 | 1.14 | -3.39% | |
| 1.16 | 1.22 | 1.12 | 1.18 | +7.27% | |
| 1.09 | 1.19 | 1.02 | 1.10 | -0.90% | |
| 1.11 | 1.16 | 1.09 | 1.11 | -1.77% | |
| 1.17 | 1.17 | 1.09 | 1.13 | +5.61% | |
| 1.05 | 1.08 | 1.04 | 1.07 | +1.90% | |
| 1.02 | 1.07 | 1.00 | 1.05 | +1.94% | |
| 1.04 | 1.11 | 1.03 | 1.03 | -1.90% | |
| 1.09 | 1.11 | 1.03 | 1.05 | -1.87% | |
| 1.06 | 1.13 | 1.00 | 1.07 | +1.90% | |
| 1.13 | 1.17 | 1.01 | 1.05 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the DYAI chart for longer ranges.