Palatin Technologies Stock Price History
NASDAQ: PTNHealth CareBiotechnology: Pharmaceutical PreparationsUSD
8.60-0.41 (-4.55%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
PTN price history at a glance
The price history for Palatin Technologies (PTN) on this page begins on October 13, 1997, when the stock closed at $120,312.50; it most recently closed at $8.60 on October 5, 2026. The highest price in this record is $128,125.00, reached on October 20, 1997; the latest close is 100.0% below that peak. Across the 28 complete calendar years in the table, PTN finished higher in 10 and lower in 18. Its best year was 2009 (+270.0%) and its worst was 2007 (-86.3%).
Over roughly 29 years the share price changed -100.0%, a -28.1% compound annual price return (excluding dividends). In the last 12 months alone, PTN has gained 19.4%. 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 1997
- $128,125.00
- Date of high
- Oct 20, 1997
- Low since 1997
- $2.00
- Date of low
- May 5, 2025
- 52-week high
- $31.00
- 52-week low
- $5.61
- Last close
- $8.60
PTN returns
1 week
-7.82%
1 month
-30.25%
3 months
-14.00%
6 months
-52.28%
Year to date
-44.08%
1 year
+19.44%
3 years
-90.06%
5 years
-98.40%
PTN price return, excluding dividends.
PTN annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 8.60 | -46.42% |
| 2025 | 16.05 | -76.57% |
| 2024 | 68.50 | -65.58% |
| 2023 | 199.00 | +55.47% |
| 2022 | 128.00 | -79.92% |
| 2021 | 637.50 | -25.00% |
| 2020 | 850.00 | -11.69% |
| 2019 | 962.50 | 0.00% |
| 2018 | 962.50 | -10.47% |
| 2017 | 1,075.00 | +68.63% |
| 2016 | 637.50 | -22.73% |
| 2015 | 825.00 | -17.50% |
| 2014 | 1,000.00 | +5.26% |
| 2013 | 950.00 | +16.92% |
| 2012 | 812.50 | +62.50% |
| 2011 | 500.00 | -70.37% |
| 2010 | 1,687.50 | -63.51% |
| 2009 | 4,625.00 | +270.00% |
| 2008 | 1,250.00 | -64.29% |
| 2007 | 3,500.00 | -86.27% |
| 2006 | 25,500.00 | -37.42% |
| 2005 | 40,750.00 | +22.56% |
| 2004 | 33,250.00 | -0.37% |
| 2003 | 33,375.00 | +50.85% |
| 2002 | 22,125.00 | -54.73% |
| 2001 | 48,875.00 | +15.85% |
| 2000 | 42,187.50 | +35.00% |
| 1999 | 31,250.00 | -39.39% |
| 1998 | 51,562.50 | -31.25% |
| 1997* | 75,000.00 | -37.66% |
* Partial year: the record begins after the start of 1997; return measured from the first available close.
2026 return is year to date.
PTN daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 8.93 | 9.20 | 8.48 | 8.60 | -4.55% | |
| 9.86 | 9.86 | 8.87 | 9.01 | -5.36% | |
| 9.87 | 9.87 | 9.16 | 9.52 | +1.17% | |
| 9.00 | 9.88 | 9.00 | 9.41 | -0.74% | |
| 9.23 | 9.70 | 8.96 | 9.48 | +1.61% | |
| 9.02 | 9.45 | 8.67 | 9.33 | +2.98% | |
| 8.74 | 9.12 | 8.68 | 9.06 | +2.14% | |
| 9.58 | 9.79 | 8.87 | 8.87 | -2.74% | |
| 9.54 | 9.69 | 9.04 | 9.12 | -4.80% | |
| 9.86 | 10.09 | 8.73 | 9.58 | -5.15% | |
| 9.85 | 10.35 | 9.50 | 10.10 | +2.75% | |
| 10.12 | 10.12 | 9.60 | 9.83 | -4.28% | |
| 10.79 | 10.79 | 9.81 | 10.27 | 0.00% | |
| 10.66 | 10.71 | 10.00 | 10.27 | +0.49% | |
| 11.03 | 11.73 | 10.22 | 10.22 | -5.89% | |
| 10.37 | 11.05 | 10.27 | 10.86 | +4.12% | |
| 9.51 | 10.64 | 9.50 | 10.43 | +10.25% | |
| 10.94 | 11.21 | 9.42 | 9.46 | -13.53% | |
| 13.07 | 13.37 | 10.77 | 10.94 | -18.11% | |
| 11.72 | 13.78 | 11.18 | 13.36 | +13.22% | |
| 11.82 | 12.57 | 11.40 | 11.80 | -1.83% | |
| 12.27 | 12.54 | 11.77 | 12.02 | -2.51% | |
| 12.28 | 12.87 | 11.79 | 12.33 | -2.76% | |
| 12.62 | 13.33 | 11.77 | 12.68 | -0.16% | |
| 12.83 | 13.48 | 12.49 | 12.70 | -2.91% | |
| 12.82 | 14.00 | 12.34 | 13.08 | +1.87% | |
| 12.00 | 13.50 | 11.29 | 12.84 | +11.27% | |
| 9.63 | 11.82 | 9.18 | 11.54 | +15.52% | |
| 10.52 | 10.73 | 9.42 | 9.99 | -4.68% | |
| 10.56 | 11.11 | 9.65 | 10.48 | -0.10% | |
| 10.09 | 10.49 | 9.55 | 10.49 | +0.19% | |
| 10.60 | 10.93 | 9.26 | 10.47 | +0.96% | |
| 10.35 | 10.92 | 9.88 | 10.37 | +2.07% | |
| 9.69 | 10.16 | 9.69 | 10.16 | +4.85% | |
| 10.63 | 10.75 | 9.69 | 9.69 | -5.00% | |
| 10.99 | 10.99 | 10.15 | 10.20 | +0.20% | |
| 10.40 | 10.97 | 10.13 | 10.18 | -3.14% | |
| 10.66 | 11.13 | 10.27 | 10.51 | +5.63% | |
| 9.61 | 10.38 | 9.50 | 9.95 | +6.30% | |
| 10.27 | 10.27 | 8.81 | 9.36 | -6.40% | |
| 9.50 | 10.93 | 9.50 | 10.00 | +5.60% | |
| 7.63 | 9.58 | 7.27 | 9.47 | +27.80% | |
| 7.74 | 7.74 | 7.37 | 7.41 | +0.68% | |
| 7.76 | 8.20 | 7.28 | 7.36 | -5.28% | |
| 8.30 | 8.30 | 7.45 | 7.77 | -1.27% | |
| 8.35 | 8.40 | 7.61 | 7.87 | -0.88% | |
| 8.34 | 8.51 | 7.60 | 7.94 | -0.87% | |
| 8.43 | 8.43 | 7.90 | 8.01 | -2.67% | |
| 7.93 | 8.30 | 7.83 | 8.23 | +6.88% | |
| 8.20 | 8.20 | 7.58 | 7.70 | -1.41% | |
| 8.18 | 8.57 | 7.49 | 7.81 | -3.34% | |
| 8.01 | 8.51 | 7.61 | 8.08 | +5.21% | |
| 8.09 | 8.17 | 7.21 | 7.68 | -1.66% | |
| 7.72 | 8.31 | 7.72 | 7.81 | +1.30% | |
| 8.17 | 8.25 | 7.54 | 7.71 | -3.99% | |
| 8.01 | 8.36 | 8.00 | 8.03 | -1.47% | |
| 8.51 | 8.51 | 8.10 | 8.15 | -5.45% | |
| 8.69 | 8.77 | 8.47 | 8.62 | +1.65% | |
| 8.95 | 8.95 | 8.47 | 8.48 | -6.71% | |
| 8.59 | 9.09 | 8.04 | 9.09 | +7.19% | |
| 9.52 | 9.79 | 8.26 | 8.48 | -4.72% | |
| 8.67 | 9.69 | 8.67 | 8.90 | +0.56% | |
| 9.49 | 9.51 | 8.75 | 8.85 | -7.04% | |
| 9.89 | 10.19 | 9.50 | 9.52 | -4.80% | |
| 10.29 | 10.29 | 9.77 | 10.00 | -4.67% | |
| 9.98 | 10.96 | 9.98 | 10.49 | +2.14% | |
| 10.55 | 10.68 | 10.22 | 10.27 | -6.55% | |
| 11.40 | 11.40 | 9.78 | 10.99 | -0.18% | |
| 11.51 | 11.60 | 10.73 | 11.01 | -5.00% | |
| 10.88 | 11.71 | 10.11 | 11.59 | +12.20% | |
| 11.22 | 11.22 | 9.75 | 10.33 | -4.26% | |
| 10.46 | 11.35 | 10.23 | 10.79 | +4.35% | |
| 11.02 | 11.02 | 10.05 | 10.34 | -9.62% | |
| 10.08 | 11.56 | 10.08 | 11.44 | +11.61% | |
| 10.90 | 10.91 | 10.25 | 10.25 | -3.30% | |
| 11.01 | 11.01 | 9.99 | 10.60 | -5.44% | |
| 11.58 | 12.18 | 11.00 | 11.21 | -4.76% | |
| 11.31 | 11.95 | 11.31 | 11.77 | +0.43% | |
| 11.92 | 12.22 | 11.72 | 11.72 | -4.33% | |
| 11.62 | 12.25 | 11.62 | 12.25 | +3.20% | |
| 12.50 | 12.51 | 11.31 | 11.87 | -5.04% | |
| 14.01 | 14.01 | 12.05 | 12.50 | -8.16% | |
| 13.71 | 14.41 | 13.00 | 13.61 | -0.51% | |
| 13.51 | 14.08 | 13.29 | 13.68 | +0.29% | |
| 14.00 | 14.00 | 13.50 | 13.64 | -3.94% | |
| 14.04 | 14.80 | 14.00 | 14.20 | +0.57% | |
| 14.36 | 14.37 | 13.88 | 14.12 | -0.21% | |
| 14.29 | 14.80 | 14.15 | 14.15 | -1.32% | |
| 14.05 | 14.35 | 13.61 | 14.34 | +6.22% | |
| 13.84 | 14.50 | 13.09 | 13.50 | -2.88% | |
| 14.42 | 14.42 | 13.64 | 13.90 | -4.86% | |
| 14.21 | 14.88 | 14.14 | 14.61 | +4.21% | |
| 14.28 | 14.51 | 14.00 | 14.02 | +0.14% | |
| 14.47 | 14.66 | 14.00 | 14.00 | -4.63% | |
| 14.10 | 14.75 | 14.10 | 14.68 | +1.59% | |
| 14.81 | 14.81 | 13.97 | 14.45 | -2.89% | |
| 14.80 | 15.01 | 14.27 | 14.88 | +3.12% | |
| 14.56 | 14.56 | 14.40 | 14.43 | -1.10% | |
| 14.27 | 14.87 | 14.27 | 14.59 | +2.24% | |
| 14.72 | 14.91 | 14.03 | 14.27 | -6.36% | |
| 14.91 | 15.34 | 14.32 | 15.24 | +5.76% | |
| 15.00 | 15.51 | 14.15 | 14.41 | -3.48% | |
| 16.94 | 16.94 | 14.81 | 14.93 | -9.79% | |
| 18.80 | 19.00 | 16.55 | 16.55 | -16.03% | |
| 18.81 | 20.10 | 18.81 | 19.71 | +3.74% | |
| 20.40 | 20.40 | 19.00 | 19.00 | -2.41% | |
| 18.24 | 19.54 | 18.24 | 19.47 | +3.02% | |
| 19.60 | 20.99 | 18.89 | 18.90 | -0.53% | |
| 20.11 | 20.13 | 18.92 | 19.00 | -5.00% | |
| 20.22 | 20.92 | 18.20 | 20.00 | -0.20% | |
| 20.35 | 21.72 | 20.04 | 20.04 | -0.94% | |
| 20.05 | 21.64 | 19.16 | 20.23 | +0.10% | |
| 20.05 | 21.57 | 20.05 | 20.21 | -0.30% | |
| 21.72 | 21.72 | 20.24 | 20.27 | -4.43% | |
| 20.55 | 21.32 | 20.55 | 21.21 | -1.35% | |
| 21.89 | 22.36 | 20.98 | 21.50 | -3.24% | |
| 22.36 | 22.36 | 20.84 | 22.22 | +8.13% | |
| 21.92 | 21.99 | 20.37 | 20.55 | -7.97% | |
| 22.14 | 22.50 | 22.14 | 22.33 | +2.20% | |
| 22.58 | 22.81 | 21.67 | 21.85 | -1.00% | |
| 21.87 | 22.43 | 21.84 | 22.07 | -1.91% | |
| 20.66 | 22.50 | 20.66 | 22.50 | +7.66% | |
| 21.50 | 21.82 | 20.85 | 20.90 | -4.08% | |
| 19.53 | 21.93 | 19.53 | 21.79 | +6.34% | |
| 18.58 | 20.85 | 18.50 | 20.49 | +10.70% | |
| 17.29 | 19.40 | 17.29 | 18.51 | +2.72% | |
| 19.40 | 19.40 | 17.95 | 18.02 | -1.80% | |
| 18.50 | 18.96 | 18.35 | 18.35 | -5.41% | |
| 19.40 | 19.40 | 18.65 | 19.40 | +2.11% | |
| 19.40 | 19.40 | 18.50 | 19.00 | +5.38% | |
| 18.22 | 19.00 | 18.01 | 18.03 | +1.75% | |
| 18.00 | 18.01 | 17.50 | 17.72 | +3.02% | |
| 17.70 | 18.50 | 17.20 | 17.20 | -1.26% | |
| 18.35 | 19.06 | 17.02 | 17.42 | -6.09% | |
| 20.00 | 20.01 | 17.32 | 18.55 | -7.20% | |
| 20.59 | 20.61 | 19.51 | 19.99 | -3.20% | |
| 20.45 | 21.41 | 20.45 | 20.65 | -1.67% | |
| 20.50 | 21.29 | 20.45 | 21.00 | +5.79% | |
| 20.75 | 20.94 | 19.85 | 19.85 | -3.59% | |
| 20.80 | 21.80 | 19.50 | 20.59 | -4.01% | |
| 23.34 | 23.45 | 21.06 | 21.45 | +4.33% | |
| 20.77 | 21.41 | 20.56 | 20.56 | -4.28% | |
| 23.64 | 23.64 | 21.48 | 21.48 | -7.53% | |
| 23.20 | 23.25 | 22.59 | 23.23 | +3.15% | |
| 23.50 | 23.50 | 22.19 | 22.52 | -4.17% | |
| 21.43 | 23.78 | 21.43 | 23.50 | +6.62% | |
| 21.35 | 23.26 | 21.01 | 22.04 | -0.32% | |
| 22.00 | 22.85 | 21.07 | 22.11 | -1.51% | |
| 21.41 | 23.32 | 21.00 | 22.45 | -2.22% | |
| 23.36 | 23.55 | 21.20 | 22.96 | -4.25% | |
| 22.23 | 24.49 | 22.23 | 23.98 | +8.02% | |
| 21.23 | 23.00 | 20.85 | 22.20 | +4.57% | |
| 20.80 | 21.86 | 20.80 | 21.23 | +2.51% | |
| 22.23 | 22.36 | 20.50 | 20.71 | -7.75% | |
| 21.30 | 22.53 | 20.85 | 22.45 | +7.42% | |
| 20.46 | 20.90 | 20.30 | 20.90 | -0.43% | |
| 20.56 | 21.00 | 19.40 | 20.99 | +0.14% | |
| 23.82 | 23.82 | 19.36 | 20.96 | -8.87% | |
| 22.02 | 23.19 | 21.89 | 23.00 | +2.31% | |
| 22.40 | 22.61 | 19.94 | 22.48 | +0.09% | |
| 21.19 | 22.46 | 19.83 | 22.46 | +6.95% | |
| 19.00 | 21.00 | 18.25 | 21.00 | +8.53% | |
| 16.44 | 19.42 | 16.44 | 19.35 | +10.01% | |
| 15.65 | 17.59 | 15.65 | 17.59 | +1.15% | |
| 17.50 | 17.50 | 16.06 | 17.39 | +3.02% | |
| 16.87 | 16.88 | 16.28 | 16.88 | +2.37% | |
| 16.79 | 16.89 | 16.00 | 16.49 | -2.19% | |
| 16.85 | 16.99 | 16.05 | 16.86 | +1.26% | |
| 15.98 | 17.74 | 15.85 | 16.65 | +5.92% | |
| 15.75 | 16.14 | 15.45 | 15.72 | -2.06% | |
| 16.21 | 16.21 | 14.75 | 16.05 | +0.82% | |
| 17.28 | 17.28 | 15.10 | 15.92 | -8.24% | |
| 16.64 | 17.40 | 16.16 | 17.35 | +0.58% | |
| 14.48 | 17.40 | 14.48 | 17.25 | +17.27% | |
| 14.98 | 15.85 | 14.71 | 14.71 | -1.74% | |
| 16.33 | 17.45 | 14.97 | 14.97 | -11.68% | |
| 15.64 | 16.95 | 15.64 | 16.95 | +4.50% | |
| 16.19 | 16.43 | 15.25 | 16.22 | -0.61% | |
| 17.25 | 17.25 | 15.44 | 16.32 | -1.69% | |
| 17.35 | 18.40 | 15.97 | 16.60 | -0.60% | |
| 16.23 | 18.49 | 16.23 | 16.70 | +2.39% | |
| 16.15 | 17.99 | 15.88 | 16.31 | -2.97% | |
| 18.79 | 18.79 | 15.57 | 16.81 | -4.22% | |
| 15.75 | 19.16 | 15.75 | 17.55 | +3.66% | |
| 17.00 | 17.26 | 16.26 | 16.93 | +0.71% | |
| 16.61 | 16.99 | 15.00 | 16.81 | -2.27% | |
| 14.70 | 18.00 | 14.25 | 17.20 | +17.09% | |
| 16.05 | 16.05 | 14.30 | 14.69 | -5.29% | |
| 17.25 | 17.93 | 15.06 | 15.51 | -8.87% | |
| 17.48 | 17.75 | 16.93 | 17.02 | -2.52% | |
| 17.51 | 17.99 | 16.15 | 17.46 | -0.80% | |
| 19.74 | 19.91 | 17.01 | 17.60 | -11.51% | |
| 16.50 | 20.43 | 16.10 | 19.89 | +23.93% | |
| 15.97 | 16.38 | 14.13 | 16.05 | +4.36% | |
| 14.04 | 16.36 | 13.84 | 15.38 | +6.14% | |
| 15.14 | 16.67 | 14.27 | 14.49 | -6.88% | |
| 14.50 | 15.88 | 14.44 | 15.56 | +6.50% | |
| 16.01 | 16.40 | 14.61 | 14.61 | -8.69% | |
| 16.51 | 17.36 | 16.00 | 16.00 | -5.10% | |
| 16.31 | 17.69 | 15.50 | 16.86 | +9.77% | |
| 16.50 | 17.56 | 15.36 | 15.36 | -9.91% | |
| 19.10 | 19.92 | 17.05 | 17.05 | -10.69% | |
| 21.71 | 22.60 | 18.50 | 19.09 | -9.61% | |
| 25.00 | 26.69 | 20.00 | 21.12 | -17.85% | |
| 29.37 | 30.40 | 25.01 | 25.71 | -8.18% | |
| 27.00 | 31.00 | 26.00 | 28.00 | +2.75% | |
| 26.00 | 29.28 | 24.42 | 27.25 | +10.46% | |
| 26.56 | 29.98 | 22.42 | 24.67 | -3.71% | |
| 27.17 | 28.61 | 25.62 | 25.62 | -6.84% | |
| 21.36 | 29.00 | 21.36 | 27.50 | +28.62% | |
| 23.00 | 23.05 | 21.00 | 21.38 | -7.04% | |
| 22.90 | 23.10 | 20.49 | 23.00 | +4.59% | |
| 17.57 | 22.70 | 17.15 | 21.99 | +28.60% | |
| 19.00 | 19.46 | 17.00 | 17.10 | -12.89% | |
| 19.08 | 20.00 | 19.05 | 19.63 | -1.70% | |
| 19.30 | 20.15 | 17.80 | 19.97 | +2.20% | |
| 17.31 | 19.54 | 17.31 | 19.54 | +15.08% | |
| 18.55 | 18.94 | 16.23 | 16.98 | -8.71% | |
| 19.44 | 20.68 | 18.10 | 18.60 | -7.00% | |
| 22.01 | 22.72 | 16.70 | 20.00 | -12.36% | |
| 14.62 | 24.62 | 12.10 | 22.82 | +57.49% | |
| 12.87 | 14.62 | 12.87 | 14.49 | +5.00% | |
| 13.55 | 13.90 | 12.60 | 13.80 | +1.77% | |
| 12.35 | 13.90 | 11.50 | 13.56 | +6.52% | |
| 10.80 | 13.61 | 10.80 | 12.73 | +17.87% | |
| 9.51 | 10.80 | 8.78 | 10.80 | 0.00% | |
| 10.80 | 10.80 | 10.80 | 10.80 | +26.61% | |
| 8.53 | 8.53 | 8.53 | 8.53 | 0.00% | |
| 10.35 | 12.21 | 8.53 | 8.53 | -15.12% | |
| 8.00 | 10.31 | 6.91 | 10.05 | +21.97% | |
| 8.02 | 8.24 | 7.20 | 8.24 | +8.14% | |
| 6.50 | 7.94 | 6.50 | 7.62 | +17.23% | |
| 5.91 | 6.56 | 5.91 | 6.50 | +10.54% | |
| 6.68 | 6.68 | 5.88 | 5.88 | -9.54% | |
| 6.50 | 6.50 | 6.50 | 6.50 | -2.26% | |
| 5.90 | 6.65 | 5.89 | 6.65 | +13.68% | |
| 5.95 | 5.95 | 5.85 | 5.85 | -0.85% | |
| 5.95 | 5.95 | 5.75 | 5.90 | -0.84% | |
| 5.75 | 5.95 | 5.75 | 5.95 | +3.48% | |
| 5.90 | 5.93 | 5.61 | 5.75 | -4.17% | |
| 6.15 | 6.20 | 5.99 | 6.00 | +1.69% | |
| 6.08 | 6.08 | 5.90 | 5.90 | -3.12% | |
| 6.40 | 6.40 | 6.05 | 6.09 | -5.14% | |
| 6.66 | 6.69 | 6.29 | 6.42 | -4.61% | |
| 7.00 | 7.04 | 6.60 | 6.73 | -4.54% | |
| 7.02 | 7.05 | 7.01 | 7.05 | -0.70% | |
| 7.40 | 7.40 | 7.00 | 7.10 | -0.56% | |
| 7.30 | 7.30 | 7.00 | 7.14 | -1.24% | |
| 7.15 | 7.23 | 7.15 | 7.23 | -0.28% | |
| 7.07 | 7.25 | 7.05 | 7.25 | +0.28% | |
| 7.15 | 7.25 | 7.15 | 7.23 | +0.42% | |
| 7.45 | 7.45 | 7.20 | 7.20 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the PTN chart for longer ranges.