Nasdaq · PTN · stock
Palatin Technologies INC (PTN) stock price history
Every Nasdaq trading session of Palatin Technologies INC from Oct 15, 1997 to Nov 11, 2026: 7,314 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
PTN adjusted close, 1997 to 2026
- $120,313
- All time high, 1997
- $31.00
- 52 week high, $4.51 low
- 7,314
- Daily sessions since 1997
Last updated Nov 11, 2026, the last stored session. Refreshes after each trading day. Full 1997 to 2026 series and minute bars.
PTN key facts
- Palatin Technologies INC (PTN) closed at $6.86 on Nov 11, 2026 on Nasdaq.
- PTN's all time high close is $120,313, set on Oct 17, 1997; its all time low close is $4.00 on May 8, 2025.
- PTN's 52 week range is $4.51 to $31.00.
- PTN returned -19.6% over the year to Nov 11, 2026 and -98.6% over five years.
- Over ten years PTN returned -99%, -36.7% a year compounded.
- PTN's deepest drawdown was -100.0% from Oct 21, 1997 to May 8, 2025.
- DataCedar holds 7,314 daily sessions of PTN history from Oct 15, 1997 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
PTN price chart, 1997 to 2026
PTN returns
Price return from the last close on or before the window start to Nov 11, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -20.2% |
| 3 months | -7.4% |
| 6 months | -63.9% |
| Year to date | -52.7% |
| 1 year | -19.6% |
| 3 years | -93.1% |
| 5 years | -98.6% |
| 10 years | -99.0% |
| Since Oct 15, 1997 | -100.0% |
| Compound annual growth, 29.1 years | -28.4% |
PTN records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $120,313 on Oct 17, 1997
- All time low close
- $4.00 on May 8, 2025
- 52 week high
- $31.00 on Dec 15, 2025
- 52 week low
- $4.51 on Oct 28, 2026
- Deepest drawdown
- -100.0% from Oct 21, 1997 to May 8, 2025, not yet recovered
- Best single session
- +87.5% on Dec 18, 2008
- Worst single session
- -61.3% on Aug 30, 2007
- Volatility, 1 year annualised
- 121.4%
- Sessions closing higher, 1 year
- 43%
- Best calendar year
- 2009, +311%
- Worst calendar year
- 2007, -90%
PTN price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 1997 starts on Oct 15, 1997; 2026 runs to Nov 11, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $15.97 | $24.49 | $4.51 | $6.86 | -55.4% | 7.7M | 217 |
| 2025 | $55.50 | $72.50 | $2.00 | $15.38 | -72.3% | 7.8M | 250 |
| 2024 | $198.00 | $282.50 | $34.00 | $55.50 | -72.1% | 1.9M | 252 |
| 2023 | $137.50 | $250.00 | $71.50 | $199.00 | +55.5% | 548.9K | 250 |
| 2022 | $637.50 | $687.50 | $107.00 | $128.00 | -79.9% | 273K | 251 |
| 2021 | $862.50 | $1,625 | $412.50 | $637.50 | -25.0% | 908.6K | 252 |
| 2020 | $975.00 | $1,125 | $450.00 | $850.00 | -12.8% | 433.9K | 253 |
| 2019 | $887.50 | $2,225 | $825.00 | $975.00 | +9.9% | 355.7K | 252 |
| 2018 | $1,075 | $1,988 | $737.50 | $887.50 | -17.4% | 294K | 251 |
| 2017 | $637.50 | $1,313 | $362.50 | $1,075 | +68.6% | 383.4K | 251 |
| 2016 | $862.50 | $1,125 | $450.00 | $637.50 | -22.7% | 220.5K | 252 |
| 2015 | $962.50 | $1,975 | $775.00 | $825.00 | -9.6% | 131K | 252 |
| 2014 | $912.50 | $1,875 | $737.50 | $912.50 | 0.0% | 56.4K | 252 |
| 2013 | $775.00 | $1,038 | $637.50 | $912.50 | +21.7% | 25.3K | 252 |
| 2012 | $487.50 | $1,500 | $487.50 | $750.00 | +50.0% | 14.9K | 250 |
| 2011 | $1,725 | $1,813 | $487.50 | $500.00 | -70.4% | 39.1K | 252 |
| 2010 | $4,375 | $4,625 | $1,050 | $1,688 | -63.5% | 14.2K | 252 |
| 2009 | $1,250 | $6,000 | $750.00 | $4,625 | +311.1% | 12.3K | 252 |
| 2008 | $2,500 | $13,125 | $750.00 | $1,125 | -55.0% | 5.3K | 253 |
| 2007 | $25,250 | $50,000 | $2,375 | $2,500 | -90.2% | 9K | 251 |
| 2006 | $41,250 | $47,375 | $21,375 | $25,500 | -37.4% | 6.7K | 251 |
| 2005 | $32,625 | $52,375 | $21,250 | $40,750 | +22.6% | 6.9K | 252 |
| 2004 | $32,250 | $56,125 | $27,375 | $33,250 | +6.4% | 5.9K | 252 |
| 2003 | $24,750 | $73,625 | $15,000 | $31,250 | +26.3% | 5.6K | 252 |
| 2002 | $53,375 | $55,625 | $13,750 | $24,750 | -52.9% | 453 | 252 |
| 2001 | $42,188 | $82,000 | $25,000 | $52,500 | +24.4% | 631 | 248 |
| 2000 | $32,813 | $121,875 | $32,031 | $42,188 | +35.0% | 1.2K | 252 |
| 1999 | $52,344 | $89,063 | $28,125 | $31,250 | -39.4% | 1.2K | 252 |
| 1998 | $73,438 | $113,281 | $17,188 | $51,563 | -29.8% | 673 | 252 |
| 1997 | $126,563 | $128,125 | $65,625 | $73,438 | n/a | 93 | 54 |
PTN monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | $6.86 | +37.2% |
| October 2026 | $5.00 | -43.6% |
| September 2026 | $8.87 | -11.2% |
| August 2026 | $9.99 | +29.7% |
| July 2026 | $7.70 | -28.6% |
| June 2026 | $10.79 | -23.0% |
| May 2026 | $14.02 | -30.6% |
| April 2026 | $20.21 | +16.0% |
| March 2026 | $17.42 | -16.7% |
| February 2026 | $20.90 | +42.1% |
| January 2026 | $14.71 | -4.4% |
| December 2025 | $15.38 | -21.3% |
About the PTN data
Daily bars. 7,314 sessions from Oct 15, 1997 to Nov 11, 2026, one row per Nasdaq trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Jul 13, 2026 forward, most recent session Oct 23, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are Nasdaq trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Oct 15, 1997, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/nasdaq%3APTN/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
PTN share price history
