Inovio Pharmaceuticals Stock Price History
NASDAQ: INOHealth CareBiotechnology: Pharmaceutical PreparationsUSD
1.15+0.06 (+5.50%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
INO price history at a glance
The price history for Inovio Pharmaceuticals (INO) on this page begins on December 7, 1998, when the stock closed at $708.00; it most recently closed at $1.15 on October 5, 2026. The highest price in this record is $2,352.00, reached on March 6, 2000; the latest close is 100.0% below that peak. Across the 27 complete calendar years in the table, INO finished higher in 9 and lower in 18. Its best year was 2003 (+379.3%) and its worst was 2000 (-71.2%).
Over roughly 28 years the share price changed -99.8%, a -20.6% compound annual price return (excluding dividends). In the last 12 months alone, INO has lost 55.3%. 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
- $2,352.00
- Date of high
- Mar 6, 2000
- Low since 1998
- $0.56
- Date of low
- Jul 27, 2026
- 52-week high
- $2.72
- 52-week low
- $0.56
- Last close
- $1.15
INO returns
1 week
-0.86%
1 month
-12.88%
3 months
-2.54%
6 months
+8.49%
Year to date
-33.91%
1 year
-55.25%
3 years
-81.21%
5 years
-98.63%
INO price return, excluding dividends.
INO annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 1.15 | -31.95% |
| 2025 | 1.69 | -13.78% |
| 2024 | 1.96 | -67.97% |
| 2023 | 6.12 | -67.31% |
| 2022 | 18.72 | -68.74% |
| 2021 | 59.88 | -43.62% |
| 2020 | 106.20 | +196.98% |
| 2019 | 35.76 | -35.22% |
| 2018 | 55.20 | +11.38% |
| 2017 | 49.56 | -40.49% |
| 2016 | 83.28 | +3.27% |
| 2015 | 80.64 | -27.90% |
| 2014 | 111.84 | -6.80% |
| 2013 | 120.00 | +371.70% |
| 2012 | 25.44 | +23.26% |
| 2011 | 20.64 | -62.61% |
| 2010 | 55.20 | +0.88% |
| 2009 | 54.72 | +119.23% |
| 2008 | 24.96 | -46.39% |
| 2007 | 46.56 | -70.52% |
| 2006 | 157.92 | +44.93% |
| 2005 | 108.96 | -42.39% |
| 2004 | 189.12 | -29.14% |
| 2003 | 266.88 | +379.31% |
| 2002 | 55.68 | -57.97% |
| 2001 | 132.48 | -26.40% |
| 2000 | 180.00 | -71.15% |
| 1999 | 624.00 | -1.89% |
| 1998* | 636.00 | -10.17% |
* Partial year: the record begins after the start of 1998; return measured from the first available close.
2026 return is year to date.
INO daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 1.10 | 1.15 | 1.07 | 1.15 | +5.50% | |
| 1.17 | 1.18 | 1.08 | 1.09 | -6.03% | |
| 1.12 | 1.19 | 1.11 | 1.16 | +2.65% | |
| 1.15 | 1.17 | 1.12 | 1.13 | -1.74% | |
| 1.20 | 1.21 | 1.11 | 1.15 | -0.86% | |
| 1.22 | 1.23 | 1.16 | 1.16 | -4.13% | |
| 1.24 | 1.26 | 1.20 | 1.21 | -0.82% | |
| 1.14 | 1.24 | 1.13 | 1.22 | +9.91% | |
| 1.18 | 1.18 | 1.10 | 1.11 | -5.13% | |
| 1.18 | 1.21 | 1.14 | 1.17 | -0.85% | |
| 1.22 | 1.23 | 1.17 | 1.18 | -2.48% | |
| 1.26 | 1.26 | 1.18 | 1.21 | -3.20% | |
| 1.30 | 1.31 | 1.24 | 1.25 | -3.10% | |
| 1.25 | 1.34 | 1.25 | 1.29 | +4.03% | |
| 1.24 | 1.28 | 1.22 | 1.24 | 0.00% | |
| 1.22 | 1.27 | 1.21 | 1.24 | +2.48% | |
| 1.15 | 1.25 | 1.15 | 1.21 | +5.22% | |
| 1.18 | 1.18 | 1.08 | 1.15 | -0.86% | |
| 1.20 | 1.20 | 1.14 | 1.16 | -1.69% | |
| 1.24 | 1.26 | 1.16 | 1.18 | -5.60% | |
| 1.30 | 1.31 | 1.23 | 1.25 | -2.34% | |
| 1.34 | 1.34 | 1.28 | 1.28 | -3.03% | |
| 1.41 | 1.45 | 1.32 | 1.32 | -7.04% | |
| 1.43 | 1.45 | 1.38 | 1.42 | -0.70% | |
| 1.35 | 1.43 | 1.35 | 1.43 | +5.15% | |
| 1.37 | 1.44 | 1.33 | 1.36 | 0.00% | |
| 1.34 | 1.42 | 1.29 | 1.36 | +2.26% | |
| 1.26 | 1.34 | 1.22 | 1.33 | +4.72% | |
| 1.30 | 1.37 | 1.26 | 1.27 | -1.55% | |
| 1.27 | 1.32 | 1.26 | 1.29 | +2.38% | |
| 1.29 | 1.31 | 1.25 | 1.26 | -3.08% | |
| 1.28 | 1.37 | 1.25 | 1.30 | +0.78% | |
| 1.25 | 1.30 | 1.24 | 1.29 | +3.20% | |
| 1.19 | 1.30 | 1.15 | 1.25 | +5.93% | |
| 1.23 | 1.24 | 1.15 | 1.18 | -2.48% | |
| 1.30 | 1.30 | 1.20 | 1.21 | -6.92% | |
| 1.22 | 1.32 | 1.15 | 1.30 | +8.33% | |
| 1.14 | 1.22 | 1.07 | 1.20 | +4.35% | |
| 1.07 | 1.15 | 1.04 | 1.15 | +5.50% | |
| 0.93 | 1.10 | 0.90 | 1.09 | +21.11% | |
| 0.81 | 0.96 | 0.80 | 0.90 | +16.88% | |
| 0.76 | 0.78 | 0.75 | 0.77 | 0.00% | |
| 0.78 | 0.81 | 0.76 | 0.77 | +4.05% | |
| 0.66 | 0.75 | 0.66 | 0.74 | +10.45% | |
| 0.67 | 0.68 | 0.64 | 0.67 | 0.00% | |
| 0.67 | 0.68 | 0.66 | 0.67 | -1.47% | |
| 0.67 | 0.69 | 0.66 | 0.68 | +3.03% | |
| 0.71 | 0.72 | 0.65 | 0.66 | -5.71% | |
| 0.69 | 0.72 | 0.68 | 0.70 | +2.94% | |
| 0.65 | 0.68 | 0.62 | 0.68 | +3.03% | |
| 0.73 | 0.73 | 0.56 | 0.66 | -36.54% | |
| 1.03 | 1.09 | 1.01 | 1.04 | +0.97% | |
| 0.98 | 1.03 | 0.95 | 1.03 | +6.19% | |
| 0.98 | 1.00 | 0.96 | 0.97 | 0.00% | |
| 1.03 | 1.04 | 0.96 | 0.97 | -4.90% | |
| 1.06 | 1.06 | 1.00 | 1.02 | -3.77% | |
| 1.11 | 1.11 | 1.06 | 1.06 | -3.64% | |
| 1.09 | 1.10 | 1.07 | 1.10 | +0.92% | |
| 1.11 | 1.12 | 1.06 | 1.09 | -2.68% | |
| 1.13 | 1.15 | 1.10 | 1.12 | 0.00% | |
| 1.17 | 1.18 | 1.12 | 1.12 | -4.27% | |
| 1.17 | 1.18 | 1.15 | 1.17 | +0.86% | |
| 1.17 | 1.21 | 1.15 | 1.16 | 0.00% | |
| 1.15 | 1.21 | 1.14 | 1.16 | -1.69% | |
| 1.19 | 1.20 | 1.13 | 1.18 | -0.84% | |
| 1.23 | 1.25 | 1.18 | 1.19 | -1.65% | |
| 1.20 | 1.24 | 1.17 | 1.21 | 0.00% | |
| 1.17 | 1.22 | 1.13 | 1.21 | +4.31% | |
| 1.21 | 1.23 | 1.15 | 1.16 | -4.92% | |
| 1.20 | 1.27 | 1.18 | 1.22 | +2.52% | |
| 1.12 | 1.19 | 1.11 | 1.19 | +8.18% | |
| 1.12 | 1.12 | 1.09 | 1.10 | -1.79% | |
| 1.10 | 1.13 | 1.09 | 1.12 | +1.82% | |
| 1.08 | 1.12 | 1.08 | 1.10 | +1.85% | |
| 1.11 | 1.12 | 1.08 | 1.08 | -1.82% | |
| 1.12 | 1.16 | 1.10 | 1.10 | -2.65% | |
| 1.09 | 1.16 | 1.09 | 1.13 | +1.80% | |
| 1.11 | 1.14 | 1.10 | 1.11 | -0.89% | |
| 1.11 | 1.16 | 1.07 | 1.12 | +0.90% | |
| 1.13 | 1.15 | 1.10 | 1.11 | 0.00% | |
| 1.11 | 1.14 | 1.09 | 1.11 | +0.91% | |
| 1.12 | 1.15 | 1.10 | 1.10 | 0.00% | |
| 1.10 | 1.15 | 1.10 | 1.10 | 0.00% | |
| 1.09 | 1.11 | 1.06 | 1.10 | +0.92% | |
| 1.07 | 1.13 | 1.07 | 1.09 | -0.91% | |
| 1.11 | 1.13 | 1.08 | 1.10 | +0.92% | |
| 1.10 | 1.11 | 1.07 | 1.09 | +1.87% | |
| 1.17 | 1.17 | 1.06 | 1.07 | -7.76% | |
| 1.15 | 1.20 | 1.15 | 1.16 | +1.75% | |
| 1.21 | 1.22 | 1.13 | 1.14 | -5.79% | |
| 1.27 | 1.28 | 1.21 | 1.21 | -5.47% | |
| 1.30 | 1.30 | 1.26 | 1.28 | -2.29% | |
| 1.30 | 1.36 | 1.29 | 1.31 | +0.77% | |
| 1.26 | 1.33 | 1.24 | 1.30 | +4.00% | |
| 1.26 | 1.30 | 1.23 | 1.25 | -0.79% | |
| 1.35 | 1.37 | 1.26 | 1.26 | -6.67% | |
| 1.32 | 1.45 | 1.32 | 1.35 | +1.50% | |
| 1.25 | 1.34 | 1.22 | 1.33 | +8.13% | |
| 1.23 | 1.30 | 1.20 | 1.23 | +0.82% | |
| 1.26 | 1.35 | 1.20 | 1.22 | 0.00% | |
| 1.34 | 1.45 | 1.21 | 1.22 | -6.15% | |
| 1.35 | 1.41 | 1.30 | 1.30 | -4.41% | |
| 1.29 | 1.40 | 1.26 | 1.36 | +1.49% | |
| 1.45 | 1.45 | 1.31 | 1.34 | -4.96% | |
| 1.40 | 1.47 | 1.35 | 1.41 | -1.40% | |
| 1.63 | 1.64 | 1.39 | 1.43 | -2.05% | |
| 1.41 | 1.79 | 1.36 | 1.46 | +6.57% | |
| 1.31 | 1.43 | 1.26 | 1.37 | +10.48% | |
| 1.15 | 1.28 | 1.13 | 1.24 | +8.77% | |
| 1.15 | 1.20 | 1.14 | 1.14 | 0.00% | |
| 1.11 | 1.15 | 1.10 | 1.14 | +3.64% | |
| 1.13 | 1.14 | 1.10 | 1.10 | -1.79% | |
| 1.13 | 1.15 | 1.11 | 1.12 | 0.00% | |
| 1.16 | 1.16 | 1.12 | 1.12 | -2.61% | |
| 1.17 | 1.18 | 1.15 | 1.15 | -1.71% | |
| 1.15 | 1.23 | 1.14 | 1.17 | +1.74% | |
| 1.15 | 1.16 | 1.12 | 1.15 | +0.88% | |
| 1.16 | 1.16 | 1.13 | 1.14 | 0.00% | |
| 1.14 | 1.15 | 1.12 | 1.14 | +0.88% | |
| 1.19 | 1.20 | 1.12 | 1.13 | -4.24% | |
| 1.20 | 1.21 | 1.17 | 1.18 | -0.84% | |
| 1.16 | 1.20 | 1.16 | 1.19 | +2.59% | |
| 1.20 | 1.23 | 1.14 | 1.16 | -2.52% | |
| 1.12 | 1.20 | 1.08 | 1.19 | +7.21% | |
| 1.11 | 1.13 | 1.10 | 1.11 | +1.83% | |
| 1.06 | 1.11 | 1.05 | 1.09 | +2.83% | |
| 1.06 | 1.08 | 1.03 | 1.06 | +0.95% | |
| 1.09 | 1.11 | 1.05 | 1.05 | -3.67% | |
| 1.09 | 1.13 | 1.07 | 1.09 | +3.81% | |
| 1.12 | 1.13 | 1.05 | 1.05 | -7.08% | |
| 1.15 | 1.15 | 1.11 | 1.13 | 0.00% | |
| 1.35 | 1.36 | 1.07 | 1.13 | -35.06% | |
| 1.76 | 1.78 | 1.72 | 1.74 | 0.00% | |
| 1.68 | 1.79 | 1.67 | 1.74 | +4.19% | |
| 1.61 | 1.69 | 1.56 | 1.67 | +3.73% | |
| 1.54 | 1.62 | 1.50 | 1.61 | +3.87% | |
| 1.54 | 1.58 | 1.53 | 1.55 | +0.65% | |
| 1.58 | 1.61 | 1.53 | 1.54 | -1.91% | |
| 1.62 | 1.65 | 1.57 | 1.57 | -2.48% | |
| 1.59 | 1.62 | 1.53 | 1.61 | +1.90% | |
| 1.66 | 1.67 | 1.58 | 1.58 | -4.24% | |
| 1.64 | 1.68 | 1.60 | 1.65 | -0.60% | |
| 1.66 | 1.67 | 1.63 | 1.66 | -1.19% | |
| 1.65 | 1.72 | 1.63 | 1.68 | +3.07% | |
| 1.67 | 1.70 | 1.59 | 1.63 | -1.81% | |
| 1.72 | 1.77 | 1.65 | 1.66 | -1.19% | |
| 1.68 | 1.71 | 1.65 | 1.68 | -0.59% | |
| 1.74 | 1.78 | 1.69 | 1.69 | -2.31% | |
| 1.72 | 1.77 | 1.72 | 1.73 | 0.00% | |
| 1.74 | 1.78 | 1.72 | 1.73 | -0.57% | |
| 1.69 | 1.77 | 1.68 | 1.74 | +3.57% | |
| 1.75 | 1.75 | 1.65 | 1.68 | -2.89% | |
| 1.71 | 1.80 | 1.71 | 1.73 | +2.98% | |
| 1.73 | 1.74 | 1.68 | 1.68 | -3.45% | |
| 1.76 | 1.77 | 1.69 | 1.74 | -3.87% | |
| 1.79 | 1.82 | 1.76 | 1.81 | +1.12% | |
| 1.83 | 1.83 | 1.76 | 1.79 | -3.24% | |
| 1.90 | 1.94 | 1.85 | 1.85 | -2.12% | |
| 1.81 | 2.03 | 1.81 | 1.89 | +4.42% | |
| 1.68 | 1.84 | 1.68 | 1.81 | +4.62% | |
| 1.68 | 1.74 | 1.64 | 1.73 | +0.58% | |
| 1.63 | 1.74 | 1.63 | 1.72 | +2.99% | |
| 1.63 | 1.68 | 1.63 | 1.67 | +2.45% | |
| 1.58 | 1.67 | 1.56 | 1.63 | +1.24% | |
| 1.58 | 1.63 | 1.57 | 1.61 | +1.90% | |
| 1.62 | 1.64 | 1.56 | 1.58 | -1.86% | |
| 1.69 | 1.71 | 1.56 | 1.61 | -4.73% | |
| 1.68 | 1.78 | 1.66 | 1.69 | 0.00% | |
| 1.65 | 1.71 | 1.60 | 1.69 | +1.81% | |
| 1.60 | 1.73 | 1.59 | 1.66 | +6.41% | |
| 1.68 | 1.73 | 1.54 | 1.56 | -6.59% | |
| 1.68 | 1.73 | 1.64 | 1.67 | -1.18% | |
| 1.70 | 1.78 | 1.66 | 1.69 | -0.59% | |
| 1.62 | 1.74 | 1.58 | 1.70 | +4.29% | |
| 1.60 | 1.67 | 1.56 | 1.63 | +1.24% | |
| 1.52 | 1.64 | 1.50 | 1.61 | +5.23% | |
| 1.52 | 1.55 | 1.49 | 1.53 | 0.00% | |
| 1.51 | 1.53 | 1.49 | 1.53 | +1.32% | |
| 1.51 | 1.51 | 1.48 | 1.51 | 0.00% | |
| 1.54 | 1.56 | 1.48 | 1.51 | -3.21% | |
| 1.52 | 1.57 | 1.51 | 1.56 | +3.31% | |
| 1.52 | 1.54 | 1.49 | 1.51 | 0.00% | |
| 1.51 | 1.55 | 1.47 | 1.51 | -0.66% | |
| 1.57 | 1.58 | 1.52 | 1.52 | -3.80% | |
| 1.66 | 1.66 | 1.58 | 1.58 | -3.66% | |
| 1.60 | 1.70 | 1.60 | 1.64 | +2.50% | |
| 1.53 | 1.62 | 1.50 | 1.60 | +3.90% | |
| 1.58 | 1.58 | 1.51 | 1.54 | -1.28% | |
| 1.62 | 1.67 | 1.55 | 1.56 | -3.11% | |
| 1.67 | 1.67 | 1.59 | 1.61 | -3.59% | |
| 1.62 | 1.72 | 1.59 | 1.67 | +4.37% | |
| 1.57 | 1.61 | 1.49 | 1.60 | +0.63% | |
| 1.71 | 1.72 | 1.59 | 1.59 | -5.92% | |
| 1.75 | 1.80 | 1.66 | 1.69 | -2.87% | |
| 1.77 | 1.86 | 1.73 | 1.74 | -1.14% | |
| 1.72 | 1.77 | 1.68 | 1.76 | +1.73% | |
| 1.90 | 1.94 | 1.72 | 1.73 | -24.45% | |
| 2.27 | 2.31 | 2.21 | 2.29 | +1.78% | |
| 2.16 | 2.37 | 2.16 | 2.25 | +4.65% | |
| 2.26 | 2.26 | 2.11 | 2.15 | -4.44% | |
| 2.31 | 2.36 | 2.23 | 2.25 | -1.32% | |
| 2.38 | 2.42 | 2.26 | 2.28 | -3.80% | |
| 2.59 | 2.63 | 2.29 | 2.37 | -8.85% | |
| 2.31 | 2.72 | 2.30 | 2.60 | +12.07% | |
| 2.28 | 2.34 | 2.20 | 2.32 | +2.65% | |
| 2.07 | 2.37 | 2.03 | 2.26 | +9.71% | |
| 2.13 | 2.17 | 2.05 | 2.06 | -3.29% | |
| 2.17 | 2.22 | 2.13 | 2.13 | -1.84% | |
| 2.18 | 2.27 | 2.13 | 2.17 | -0.46% | |
| 2.24 | 2.24 | 2.07 | 2.18 | +4.31% | |
| 2.08 | 2.17 | 2.07 | 2.09 | +0.97% | |
| 2.02 | 2.08 | 1.99 | 2.07 | +2.48% | |
| 2.01 | 2.06 | 1.96 | 2.02 | 0.00% | |
| 1.91 | 2.04 | 1.90 | 2.02 | +5.21% | |
| 1.93 | 1.93 | 1.86 | 1.92 | 0.00% | |
| 2.06 | 2.10 | 1.91 | 1.92 | -6.80% | |
| 2.00 | 2.07 | 1.97 | 2.06 | +5.10% | |
| 1.82 | 1.99 | 1.82 | 1.96 | +8.29% | |
| 1.82 | 1.84 | 1.76 | 1.81 | 0.00% | |
| 1.79 | 1.85 | 1.78 | 1.81 | +2.84% | |
| 1.73 | 1.79 | 1.72 | 1.76 | +1.73% | |
| 1.85 | 1.88 | 1.72 | 1.73 | -2.81% | |
| 1.90 | 1.91 | 1.77 | 1.78 | -5.82% | |
| 1.98 | 1.99 | 1.89 | 1.89 | -4.55% | |
| 2.08 | 2.11 | 1.96 | 1.98 | -3.41% | |
| 1.98 | 2.10 | 1.95 | 2.05 | +5.13% | |
| 1.97 | 2.02 | 1.93 | 1.95 | -0.51% | |
| 2.02 | 2.07 | 1.95 | 1.96 | -2.00% | |
| 2.00 | 2.05 | 1.90 | 2.00 | -6.98% | |
| 2.17 | 2.23 | 2.12 | 2.15 | +1.42% | |
| 2.20 | 2.22 | 2.03 | 2.12 | -5.78% | |
| 2.28 | 2.32 | 2.21 | 2.25 | -1.75% | |
| 2.42 | 2.44 | 2.27 | 2.29 | -5.76% | |
| 2.43 | 2.58 | 2.41 | 2.43 | -2.80% | |
| 2.35 | 2.50 | 2.29 | 2.50 | +6.38% | |
| 2.40 | 2.42 | 2.31 | 2.35 | -0.42% | |
| 2.45 | 2.47 | 2.36 | 2.36 | -2.88% | |
| 2.59 | 2.68 | 2.42 | 2.43 | -5.81% | |
| 2.50 | 2.67 | 2.44 | 2.58 | +3.61% | |
| 2.56 | 2.66 | 2.47 | 2.49 | +6.87% | |
| 2.28 | 2.34 | 2.27 | 2.33 | +3.56% | |
| 2.23 | 2.31 | 2.21 | 2.25 | +1.35% | |
| 2.30 | 2.31 | 2.22 | 2.22 | -4.72% | |
| 2.47 | 2.49 | 2.32 | 2.33 | -5.67% | |
| 2.40 | 2.48 | 2.38 | 2.47 | +5.11% | |
| 2.42 | 2.44 | 2.35 | 2.35 | -4.47% | |
| 2.58 | 2.63 | 2.41 | 2.46 | -3.15% | |
| 2.49 | 2.58 | 2.45 | 2.54 | +4.10% | |
| 2.41 | 2.46 | 2.37 | 2.44 | -1.21% | |
| 2.59 | 2.63 | 2.40 | 2.47 | -3.89% | |
| 2.62 | 2.66 | 2.53 | 2.57 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the INO chart for longer ranges.