Protalix BioTherapeutics (DE) Stock Price History
NYSE: PLXHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
After hours: 2.83 +1.79%
PLX price history at a glance
The price history for Protalix BioTherapeutics (DE) (PLX) on this page begins on May 11, 1998, when the stock closed at $850.00; it most recently closed at $2.78 on October 5, 2026. The highest price in this record is $912.50, reached on May 18, 1998; the latest close is 99.7% below that peak. Across the 27 complete calendar years in the table, PLX finished higher in 11 and lower in 16. Its best year was 2005 (+2025.0%) and its worst was 2007 (-81.7%).
Over roughly 28 years the share price changed -99.7%, a -18.2% compound annual price return (excluding dividends). In the last 12 months alone, PLX has gained 5.1%. 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 1998
- $912.50
- Date of high
- May 18, 1998
- Low since 1998
- $0.70
- Date of low
- Feb 21, 2022
- 52-week high
- $3.19
- 52-week low
- $1.60
- Last close
- $2.70
PLX returns
1 week
+0.75%
1 month
+1.89%
3 months
+13.92%
6 months
+18.42%
Year to date
+50.00%
1 year
+5.06%
3 years
+82.43%
5 years
+119.51%
PLX price return, excluding dividends.
PLX annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 2.78 | +59.77% |
| 2025 | 1.74 | -17.92% |
| 2024 | 2.12 | +19.10% |
| 2023 | 1.78 | +29.93% |
| 2022 | 1.37 | +65.06% |
| 2021 | 0.83 | -77.13% |
| 2020 | 3.63 | -5.71% |
| 2019 | 3.85 | +1.32% |
| 2018 | 3.80 | -42.42% |
| 2017 | 6.60 | +46.67% |
| 2016 | 4.50 | -55.88% |
| 2015 | 10.20 | -45.45% |
| 2014 | 18.70 | -52.66% |
| 2013 | 39.50 | -26.72% |
| 2012 | 53.90 | +9.33% |
| 2011 | 49.30 | -50.60% |
| 2010 | 99.80 | +50.76% |
| 2009 | 66.20 | +257.84% |
| 2008 | 18.50 | -39.34% |
| 2007 | 30.50 | -81.74% |
| 2006 | 167.00 | -60.71% |
| 2005 | 425.00 | +2025.00% |
| 2004 | 20.00 | -50.00% |
| 2003 | 40.00 | +263.64% |
| 2002 | 11.00 | -52.17% |
| 2001 | 23.00 | +22.67% |
| 2000 | 18.75 | -78.57% |
| 1999 | 87.50 | -61.11% |
| 1998* | 225.00 | -73.53% |
* Partial year: the record begins after the start of 1998; return measured from the first available close.
2026 return is year to date.
PLX daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 2.68 | 2.71 | 2.61 | 2.70 | -0.37% | |
| 2.70 | 2.76 | 2.70 | 2.71 | -0.73% | |
| 2.74 | 2.76 | 2.65 | 2.73 | +0.74% | |
| 2.68 | 2.74 | 2.65 | 2.71 | 0.00% | |
| 2.70 | 2.72 | 2.64 | 2.71 | +1.12% | |
| 2.77 | 2.77 | 2.60 | 2.68 | -2.90% | |
| 2.69 | 2.82 | 2.68 | 2.76 | +2.60% | |
| 2.69 | 2.74 | 2.68 | 2.69 | 0.00% | |
| 2.71 | 2.72 | 2.61 | 2.69 | -1.10% | |
| 2.76 | 2.78 | 2.70 | 2.72 | -1.09% | |
| 2.78 | 2.82 | 2.73 | 2.75 | -1.79% | |
| 2.84 | 2.85 | 2.77 | 2.80 | -1.41% | |
| 2.75 | 2.84 | 2.75 | 2.84 | +3.27% | |
| 2.71 | 2.78 | 2.69 | 2.75 | +2.23% | |
| 2.68 | 2.72 | 2.66 | 2.69 | -0.37% | |
| 2.71 | 2.73 | 2.68 | 2.70 | +0.75% | |
| 2.68 | 2.71 | 2.62 | 2.68 | +0.75% | |
| 2.75 | 2.75 | 2.64 | 2.66 | -3.97% | |
| 2.63 | 2.79 | 2.62 | 2.77 | +4.92% | |
| 2.74 | 2.75 | 2.62 | 2.64 | -3.30% | |
| 2.66 | 2.74 | 2.64 | 2.73 | +2.25% | |
| 2.68 | 2.68 | 2.60 | 2.67 | +0.75% | |
| 2.66 | 2.67 | 2.60 | 2.65 | -0.75% | |
| 2.62 | 2.68 | 2.62 | 2.67 | +1.91% | |
| 2.59 | 2.67 | 2.57 | 2.62 | +1.16% | |
| 2.59 | 2.64 | 2.59 | 2.59 | 0.00% | |
| 2.61 | 2.67 | 2.57 | 2.59 | +0.78% | |
| 2.55 | 2.61 | 2.53 | 2.57 | +1.18% | |
| 2.61 | 2.62 | 2.53 | 2.54 | -2.68% | |
| 2.49 | 2.65 | 2.48 | 2.61 | +5.24% | |
| 2.39 | 2.48 | 2.36 | 2.48 | +3.33% | |
| 2.43 | 2.43 | 2.38 | 2.40 | -0.41% | |
| 2.36 | 2.43 | 2.34 | 2.41 | +1.26% | |
| 2.39 | 2.44 | 2.35 | 2.38 | 0.00% | |
| 2.32 | 2.39 | 2.31 | 2.38 | +1.28% | |
| 2.37 | 2.38 | 2.31 | 2.35 | +0.43% | |
| 2.30 | 2.35 | 2.28 | 2.34 | +2.18% | |
| 2.24 | 2.37 | 2.22 | 2.29 | +3.15% | |
| 2.36 | 2.36 | 2.17 | 2.22 | -5.93% | |
| 2.64 | 2.64 | 2.32 | 2.36 | -9.92% | |
| 2.49 | 2.71 | 2.40 | 2.62 | +7.82% | |
| 2.47 | 2.48 | 2.41 | 2.43 | -2.02% | |
| 2.48 | 2.50 | 2.41 | 2.48 | +0.81% | |
| 2.43 | 2.47 | 2.43 | 2.46 | +0.82% | |
| 2.44 | 2.48 | 2.42 | 2.44 | 0.00% | |
| 2.39 | 2.47 | 2.36 | 2.44 | +2.95% | |
| 2.33 | 2.39 | 2.32 | 2.37 | +2.16% | |
| 2.36 | 2.48 | 2.30 | 2.32 | -2.11% | |
| 2.29 | 2.39 | 2.20 | 2.37 | +4.41% | |
| 2.29 | 2.30 | 2.23 | 2.27 | 0.00% | |
| 2.31 | 2.36 | 2.25 | 2.27 | -2.58% | |
| 2.42 | 2.42 | 2.31 | 2.33 | -2.92% | |
| 2.39 | 2.46 | 2.36 | 2.40 | +1.27% | |
| 2.35 | 2.39 | 2.33 | 2.37 | 0.00% | |
| 2.34 | 2.39 | 2.32 | 2.37 | 0.00% | |
| 2.34 | 2.39 | 2.31 | 2.37 | +0.42% | |
| 2.42 | 2.42 | 2.34 | 2.36 | -2.07% | |
| 2.42 | 2.45 | 2.38 | 2.41 | +1.26% | |
| 2.27 | 2.41 | 2.25 | 2.38 | +3.03% | |
| 2.36 | 2.36 | 2.28 | 2.31 | -0.86% | |
| 2.31 | 2.35 | 2.26 | 2.33 | +0.87% | |
| 2.39 | 2.42 | 2.31 | 2.31 | -3.35% | |
| 2.45 | 2.48 | 2.39 | 2.39 | -2.05% | |
| 2.39 | 2.45 | 2.33 | 2.44 | +2.95% | |
| 2.39 | 2.44 | 2.36 | 2.37 | -0.42% | |
| 2.35 | 2.41 | 2.35 | 2.38 | +0.85% | |
| 2.31 | 2.39 | 2.26 | 2.36 | +2.61% | |
| 2.31 | 2.35 | 2.30 | 2.30 | -0.86% | |
| 2.30 | 2.36 | 2.27 | 2.32 | +0.87% | |
| 2.31 | 2.34 | 2.26 | 2.30 | -1.29% | |
| 2.36 | 2.36 | 2.31 | 2.33 | -0.85% | |
| 2.31 | 2.38 | 2.26 | 2.35 | +2.17% | |
| 2.22 | 2.35 | 2.22 | 2.30 | +3.60% | |
| 2.26 | 2.26 | 2.19 | 2.22 | -0.89% | |
| 2.19 | 2.29 | 2.16 | 2.24 | +3.23% | |
| 2.15 | 2.23 | 2.13 | 2.17 | +0.46% | |
| 2.21 | 2.27 | 2.14 | 2.16 | -2.70% | |
| 2.04 | 2.23 | 2.01 | 2.22 | +9.90% | |
| 2.03 | 2.08 | 2.00 | 2.02 | -1.94% | |
| 2.07 | 2.09 | 2.05 | 2.06 | 0.00% | |
| 2.09 | 2.14 | 2.05 | 2.06 | -1.44% | |
| 2.07 | 2.11 | 2.06 | 2.09 | +1.95% | |
| 1.99 | 2.08 | 1.97 | 2.05 | +4.06% | |
| 1.98 | 2.01 | 1.96 | 1.97 | -0.51% | |
| 1.96 | 2.03 | 1.96 | 1.98 | +1.02% | |
| 1.97 | 2.02 | 1.95 | 1.96 | -1.51% | |
| 1.99 | 2.02 | 1.98 | 1.99 | -1.00% | |
| 1.96 | 2.02 | 1.95 | 2.01 | +2.55% | |
| 1.97 | 1.99 | 1.95 | 1.96 | -1.51% | |
| 2.03 | 2.03 | 1.99 | 1.99 | -3.40% | |
| 2.10 | 2.12 | 2.05 | 2.06 | -2.37% | |
| 2.10 | 2.14 | 2.07 | 2.11 | +0.48% | |
| 2.10 | 2.19 | 2.10 | 2.10 | -0.94% | |
| 2.09 | 2.17 | 2.09 | 2.12 | -0.93% | |
| 2.14 | 2.16 | 2.10 | 2.14 | +1.90% | |
| 2.03 | 2.12 | 2.03 | 2.10 | +3.45% | |
| 1.98 | 2.07 | 1.98 | 2.03 | +1.00% | |
| 1.90 | 2.03 | 1.90 | 2.01 | +5.79% | |
| 1.91 | 1.99 | 1.88 | 1.90 | -0.52% | |
| 2.01 | 2.05 | 1.90 | 1.91 | -3.54% | |
| 2.00 | 2.05 | 1.95 | 1.98 | -1.00% | |
| 1.95 | 2.06 | 1.92 | 2.00 | +3.63% | |
| 1.97 | 2.17 | 1.91 | 1.93 | +1.05% | |
| 1.96 | 1.96 | 1.88 | 1.91 | -1.55% | |
| 1.94 | 1.97 | 1.91 | 1.94 | 0.00% | |
| 1.97 | 2.00 | 1.92 | 1.94 | -2.02% | |
| 2.02 | 2.03 | 1.88 | 1.98 | -1.98% | |
| 2.00 | 2.07 | 1.95 | 2.02 | +3.06% | |
| 2.13 | 2.17 | 1.93 | 1.96 | -7.98% | |
| 2.12 | 2.15 | 2.12 | 2.13 | +0.47% | |
| 2.16 | 2.16 | 2.12 | 2.12 | -1.40% | |
| 2.12 | 2.17 | 2.12 | 2.15 | +1.42% | |
| 2.12 | 2.15 | 2.12 | 2.12 | 0.00% | |
| 2.15 | 2.16 | 2.12 | 2.12 | -1.85% | |
| 2.16 | 2.20 | 2.13 | 2.16 | -0.92% | |
| 2.14 | 2.19 | 2.12 | 2.18 | +1.87% | |
| 2.20 | 2.22 | 2.11 | 2.14 | -2.73% | |
| 2.22 | 2.24 | 2.18 | 2.20 | -0.90% | |
| 2.29 | 2.29 | 2.21 | 2.22 | -2.20% | |
| 2.30 | 2.30 | 2.25 | 2.27 | -2.16% | |
| 2.35 | 2.35 | 2.30 | 2.32 | +0.87% | |
| 2.37 | 2.37 | 2.28 | 2.30 | -3.36% | |
| 2.34 | 2.39 | 2.34 | 2.38 | +0.85% | |
| 2.32 | 2.38 | 2.31 | 2.36 | +3.06% | |
| 2.31 | 2.33 | 2.29 | 2.29 | -0.43% | |
| 2.29 | 2.32 | 2.26 | 2.30 | +0.88% | |
| 2.25 | 2.30 | 2.19 | 2.28 | +1.33% | |
| 2.25 | 2.30 | 2.21 | 2.25 | +2.74% | |
| 2.19 | 2.22 | 2.14 | 2.19 | -0.90% | |
| 2.15 | 2.23 | 2.13 | 2.21 | +2.79% | |
| 2.15 | 2.16 | 2.07 | 2.15 | -1.83% | |
| 2.21 | 2.26 | 2.17 | 2.19 | +0.92% | |
| 2.10 | 2.20 | 2.10 | 2.17 | +3.83% | |
| 2.11 | 2.12 | 2.04 | 2.09 | -2.34% | |
| 2.10 | 2.21 | 2.09 | 2.14 | +1.42% | |
| 2.14 | 2.18 | 2.06 | 2.11 | -2.31% | |
| 2.08 | 2.18 | 2.07 | 2.16 | +4.35% | |
| 2.13 | 2.14 | 2.03 | 2.07 | -2.82% | |
| 2.14 | 2.20 | 2.12 | 2.13 | -0.47% | |
| 2.21 | 2.24 | 2.11 | 2.14 | -4.04% | |
| 2.22 | 2.25 | 2.12 | 2.23 | +0.90% | |
| 2.28 | 2.32 | 2.07 | 2.21 | -20.79% | |
| 2.85 | 2.88 | 2.79 | 2.79 | -2.79% | |
| 2.77 | 2.92 | 2.77 | 2.87 | +1.41% | |
| 2.82 | 2.88 | 2.78 | 2.83 | +1.43% | |
| 2.82 | 2.86 | 2.78 | 2.79 | -3.46% | |
| 2.87 | 2.92 | 2.85 | 2.89 | -0.34% | |
| 2.88 | 2.98 | 2.87 | 2.90 | +0.69% | |
| 2.65 | 2.90 | 2.63 | 2.88 | +9.92% | |
| 2.70 | 2.73 | 2.59 | 2.62 | -5.76% | |
| 2.83 | 2.84 | 2.66 | 2.78 | -1.77% | |
| 2.86 | 2.94 | 2.82 | 2.83 | 0.00% | |
| 2.93 | 3.00 | 2.83 | 2.83 | -6.60% | |
| 2.82 | 3.05 | 2.78 | 3.03 | +5.21% | |
| 3.00 | 3.01 | 2.88 | 2.88 | -4.32% | |
| 3.02 | 3.04 | 2.94 | 3.01 | -0.66% | |
| 3.07 | 3.10 | 3.01 | 3.03 | +1.00% | |
| 3.14 | 3.17 | 2.99 | 3.00 | -4.46% | |
| 3.09 | 3.19 | 3.06 | 3.14 | +2.61% | |
| 3.15 | 3.15 | 3.00 | 3.06 | -2.86% | |
| 2.94 | 3.17 | 2.92 | 3.15 | +5.70% | |
| 2.98 | 3.06 | 2.88 | 2.98 | 0.00% | |
| 2.98 | 3.02 | 2.95 | 2.98 | +0.34% | |
| 2.85 | 3.02 | 2.81 | 2.97 | +3.85% | |
| 2.93 | 2.95 | 2.85 | 2.86 | -2.05% | |
| 2.77 | 2.95 | 2.75 | 2.92 | +8.15% | |
| 2.79 | 2.79 | 2.64 | 2.70 | -3.57% | |
| 2.93 | 2.93 | 2.78 | 2.80 | -3.11% | |
| 2.89 | 2.93 | 2.78 | 2.89 | -0.69% | |
| 2.86 | 3.03 | 2.85 | 2.91 | +0.34% | |
| 2.74 | 2.97 | 2.74 | 2.90 | +6.23% | |
| 2.64 | 2.79 | 2.62 | 2.73 | +5.00% | |
| 2.35 | 2.65 | 2.35 | 2.60 | +11.11% | |
| 2.08 | 2.39 | 2.08 | 2.34 | +13.04% | |
| 2.07 | 2.09 | 2.03 | 2.07 | +0.49% | |
| 2.12 | 2.13 | 2.05 | 2.06 | -2.83% | |
| 2.06 | 2.13 | 2.06 | 2.12 | +2.91% | |
| 2.07 | 2.10 | 2.03 | 2.06 | -0.96% | |
| 2.10 | 2.12 | 2.07 | 2.08 | -0.48% | |
| 2.09 | 2.12 | 2.06 | 2.09 | +0.97% | |
| 2.06 | 2.08 | 1.97 | 2.07 | +0.98% | |
| 2.03 | 2.07 | 2.00 | 2.05 | +0.49% | |
| 2.07 | 2.09 | 2.02 | 2.04 | -0.97% | |
| 2.06 | 2.11 | 2.01 | 2.06 | 0.00% | |
| 2.01 | 2.09 | 1.97 | 2.06 | +1.98% | |
| 2.10 | 2.13 | 2.01 | 2.02 | -3.81% | |
| 2.09 | 2.14 | 2.02 | 2.10 | +1.45% | |
| 2.02 | 2.11 | 1.99 | 2.07 | +3.50% | |
| 1.78 | 2.06 | 1.78 | 2.00 | +12.36% | |
| 1.78 | 1.80 | 1.76 | 1.78 | +0.56% | |
| 1.79 | 1.80 | 1.72 | 1.77 | -1.12% | |
| 1.74 | 1.82 | 1.74 | 1.79 | +2.87% | |
| 1.83 | 1.84 | 1.73 | 1.74 | -3.33% | |
| 1.72 | 1.81 | 1.72 | 1.80 | +3.45% | |
| 1.80 | 1.80 | 1.73 | 1.74 | -2.79% | |
| 1.78 | 1.83 | 1.76 | 1.79 | -1.10% | |
| 1.78 | 1.82 | 1.73 | 1.81 | +2.26% | |
| 1.75 | 1.79 | 1.74 | 1.77 | +1.14% | |
| 1.85 | 1.87 | 1.74 | 1.75 | -2.23% | |
| 1.75 | 1.84 | 1.75 | 1.79 | +3.47% | |
| 1.79 | 1.84 | 1.73 | 1.73 | -3.89% | |
| 1.79 | 1.81 | 1.75 | 1.80 | +2.27% | |
| 1.84 | 1.85 | 1.74 | 1.76 | -2.76% | |
| 1.74 | 1.83 | 1.74 | 1.81 | +4.02% | |
| 1.80 | 1.80 | 1.72 | 1.74 | -2.79% | |
| 1.81 | 1.86 | 1.76 | 1.79 | -2.19% | |
| 1.80 | 1.85 | 1.76 | 1.83 | +1.67% | |
| 1.73 | 1.83 | 1.73 | 1.80 | +2.86% | |
| 1.72 | 1.80 | 1.72 | 1.75 | +0.57% | |
| 1.71 | 1.78 | 1.68 | 1.74 | +0.58% | |
| 1.76 | 1.77 | 1.71 | 1.73 | -1.14% | |
| 1.71 | 1.78 | 1.69 | 1.75 | +1.74% | |
| 1.67 | 1.74 | 1.65 | 1.72 | +2.99% | |
| 1.72 | 1.76 | 1.65 | 1.67 | -1.76% | |
| 1.76 | 1.81 | 1.70 | 1.70 | -4.49% | |
| 1.83 | 1.85 | 1.78 | 1.78 | -2.73% | |
| 1.82 | 1.86 | 1.79 | 1.83 | +2.23% | |
| 1.75 | 1.82 | 1.71 | 1.79 | +2.29% | |
| 1.80 | 1.83 | 1.75 | 1.75 | 0.00% | |
| 1.71 | 1.79 | 1.71 | 1.75 | +0.57% | |
| 1.83 | 1.88 | 1.71 | 1.74 | -1.69% | |
| 1.86 | 1.88 | 1.76 | 1.77 | -5.85% | |
| 1.88 | 1.93 | 1.84 | 1.88 | -0.53% | |
| 1.87 | 1.92 | 1.85 | 1.89 | +1.61% | |
| 1.71 | 1.99 | 1.70 | 1.86 | -3.63% | |
| 1.84 | 2.04 | 1.81 | 1.93 | -9.81% | |
| 2.12 | 2.17 | 2.10 | 2.14 | +0.47% | |
| 2.15 | 2.18 | 2.10 | 2.13 | 0.00% | |
| 2.21 | 2.22 | 2.10 | 2.13 | -2.74% | |
| 2.15 | 2.21 | 2.04 | 2.19 | -1.35% | |
| 2.36 | 2.38 | 2.21 | 2.22 | -6.72% | |
| 2.37 | 2.40 | 2.28 | 2.38 | +1.71% | |
| 2.31 | 2.38 | 2.25 | 2.34 | -2.09% | |
| 2.38 | 2.41 | 2.30 | 2.39 | +0.84% | |
| 2.28 | 2.40 | 2.24 | 2.37 | +4.87% | |
| 2.34 | 2.37 | 2.25 | 2.26 | -4.64% | |
| 2.30 | 2.42 | 2.22 | 2.37 | +3.04% | |
| 2.41 | 2.44 | 2.28 | 2.30 | -3.36% | |
| 2.43 | 2.45 | 2.32 | 2.38 | +0.85% | |
| 2.32 | 2.41 | 2.25 | 2.36 | +2.16% | |
| 2.25 | 2.33 | 2.21 | 2.31 | +1.76% | |
| 2.13 | 2.27 | 2.10 | 2.27 | +6.07% | |
| 2.14 | 2.16 | 2.02 | 2.14 | 0.00% | |
| 1.87 | 2.15 | 1.82 | 2.14 | +15.05% | |
| 1.68 | 1.90 | 1.60 | 1.86 | -22.50% | |
| 2.49 | 2.55 | 2.40 | 2.40 | -3.61% | |
| 2.45 | 2.49 | 2.37 | 2.49 | +5.06% | |
| 2.39 | 2.41 | 2.31 | 2.37 | -3.27% | |
| 2.43 | 2.47 | 2.36 | 2.45 | +3.81% | |
| 2.57 | 2.57 | 2.36 | 2.36 | -7.81% | |
| 2.58 | 2.61 | 2.48 | 2.56 | -0.39% | |
| 2.55 | 2.60 | 2.53 | 2.57 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the PLX chart for longer ranges.