ProtoKinetix, Inc. (PKTX) Price to Book (2019 - 2025)
ProtoKinetix's Price to Book came in at 13.65 for Q4 2025, up 25.6% from 10.87 a year earlier but down 12.3% from the prior quarter.
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Analysis
ProtoKinetix, Inc. (PKTX) Price to Book (2019 - 2025) Analysis & Trends
Going back to Q2 2019, ProtoKinetix's Price to Book data covers 27 quarters.
- Going back by year, Price to Book was 10.87 in FY2024 (-31.6%), 15.89 in FY2023 (-30.9%), 22.99 in FY2022 (-72.7%) and 84.26 in FY2021 (+25.0%).
- The five-year range for quarterly Price to Book is 8.70 (Q2 2024) to 109.38 (Q2 2021).
- Year-over-year, Price to Book has increased for three consecutive quarters, with an average decline of 6.7% over the last eight quarters.
- The fastest year-over-year change in Price to Book over five years came in Q3 2025 (growth of 66.2%), and the weakest in Q4 2022 (a decline of 72.7%).
- Business Quant data shows PKTX's Price to Book at 15.58 (Q3 2025), 11.96 (Q2 2025) and 10.23 (Q1 2025) in the three quarters before Q4 2025.
Peer Set
Peer Comparison
Historic Data
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Historic Data
| Date | Value |
|---|---|
| Dec 31, 2025 | 13.65 |
| Sep 30, 2025 | 15.58 |
| Jun 30, 2025 | 11.96 |
| Mar 31, 2025 | 10.23 |
| Dec 31, 2024 | 10.87 |
| Sep 30, 2024 | 9.37 |
| Jun 30, 2024 | 8.70 |
| Mar 31, 2024 | 17.79 |
| Dec 31, 2023 | 15.89 |
| Sep 30, 2023 | 15.46 |
| Jun 30, 2023 | 14.79 |
| Mar 31, 2023 | 24.87 |
| Dec 31, 2022 | 22.99 |
| Sep 30, 2022 | 33.55 |
| Jun 30, 2022 | 32.62 |
| Mar 31, 2022 | 35.61 |
| Dec 31, 2021 | 84.26 |
| Sep 30, 2021 | 86.17 |
| Jun 30, 2021 | 109.38 |
| Mar 31, 2021 | 102.97 |
API Access
ProtoKinetix, Inc. Price to Book API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=price-to-book&ticker=PKTX&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "price-to-book", "ticker": "PKTX", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=price-to-book&ticker=PKTX&period=max&api_key=YOUR_API_KEY");
const data = await res.json();