Palatin Technologies, Inc. (PTN) P/E Ratio History
Historical price-to-earnings valuation from 2010 to 2020
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PTN Valuation Context
How does the current P/E compare to historical and market benchmarks?
P/E Ratio Analysis
As of May 8, 2026, Palatin Technologies, Inc. (PTN) trades at a price-to-earnings ratio of -0.6x, with a stock price of $18.90 and trailing twelve-month earnings per share of $-8.76.
The current P/E is 101% below its 5-year average of 40.9x. Over the past five years, PTN's P/E has ranged from a low of 2.6x to a high of 382.5x, placing the current valuation at the 0th percentile of its historical range.
Compared to the Healthcare sector median P/E of 22.3x, PTN trades at a 103% discount to its sector peers. The sector includes 241 companies with P/E ratios ranging from 0.0x to 177.5x.
Relative to the broader market, PTN trades at a notable discount to the S&P 500 median P/E of 25.1x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our PTN DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
PTN P/E vs Peers
P/E ratio compared to closely matched public peers
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $2B | 25.3 | - | +419% | |
| $7B | 50.3 | - | -4% | |
| $2B | 6.9Lowest | 0.67 | +817%Best | |
| $358B | 85.5 | - | -1% | |
| $151B | 19.5 | - | -4% | |
| $921B | 42.5 | 1.47 | +96% | |
| $30B | 22.8 | 0.56Best | +5% |
Peers sorted by market capitalization. P/E below peers may indicate undervaluation or lower growth expectations. Consider PEG ratio for growth-adjusted comparison.
PTN Historical P/E Data (2010–2020)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Date | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2020 Q3 | $10.50 | $3.99 | 2.6x | -94% | |
| FY2020 Q2 | $19.50 | $3.87 | 5.0x | -88% | |
| FY2020 Q1 | Mon Sep 30 2019 00:00:00 GM | $22.75 | $3.82 | 6.0x | -85% |
| FY2019 Q4 | Sun Jun 30 2019 00:00:00 GM | $29.00 | $3.61 | 8.0x | -80% |
| FY2019 Q2 | Mon Dec 31 2018 00:00:00 GM | $17.75 | $0.05 | 382.5x | +836% |
| FY2019 Q1 | Sun Sep 30 2018 00:00:00 GM | $25.00 | $1.03 | 24.4x | -40% |
| FY2018 Q4 | Sat Jun 30 2018 00:00:00 GM | $24.25 | $2.97 | 8.2x | -80% |
| FY2018 Q3 | Sat Mar 31 2018 00:00:00 GM | $27.25 | $3.22 | 8.5x | -79% |
| FY2018 Q2 | Sun Dec 31 2017 00:00:00 GM | $21.50 | $2.86 | 7.5x | -82% |
| FY2018 Q1 | Sat Sep 30 2017 00:00:00 GM | $16.50 | $1.08 | 15.3x | -63% |
| FY2010 Q3 | Wed Mar 31 2010 00:00:00 GM | $65.00 | $4.79 | 13.6x | -67% |
| FY2010 Q2 | $92.50 | $10.20 | 9.1x | -78% |
Average P/E for displayed period: 40.9x
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Start ComparisonPTN — Frequently Asked Questions
Quick answers to the most common questions about buying PTN stock.
Is PTN stock overvalued or undervalued?
PTN trades at -0.6x P/E, below its 5-year average of 40.9x. At the N/A percentile of historical range, the stock is priced at a discount to its own history.
How does PTN's valuation compare to peers?
Palatin Technologies, Inc. P/E of -0.6x compares to sector median of 22.3x. The discount suggests lower growth expectations or higher risk.
What is PTN's PEG ratio?
PTN PEG ratio is N/A. Above 2.0 indicates premium valuation relative to growth rate. Historical P/E data spans 2010-2020.