Algernon Pharmaceuticals Inc.
AGNPFOTCHealthcare● Active
$0.44
+$0.01(+1.36%)
Market Cap$1541620
P/E Ratio—
52W High$0.713
52W Low$0.23
Algernon Pharmaceuticals Inc. (AGNPF) Stock Price History
Key milestones, OHLCV table, annual returns, peers & What If.
agnpf · EOD price history · split-adj. · FMP · as of Jun 15, 2026
5-Year High5Y
$33.80
Jun 16, 2021
-98.7% from here
5-Year Low5Y
$0.2300
Mar 16, 2026
+91.5% from low
IPO Priceadj.
$173.40
Mar 11, 2016
-99.7% since IPO
1 Year Ago
$0.6900
Jun 16, 2025
-36.2% in 1Y
5 Years Ago
$30.80
Jun 15, 2021
-98.6% in 5Y
10 Years Ago
$136.10
Jun 15, 2016
-99.7% in 10Y
Historical Price Data · AGNPF
| Date↓ | Open↕ | High↕ | Low↕ | Close↕ | Close (Unadj.) ⓘ | Volume↕ | Change %↕ |
|---|---|---|---|---|---|---|---|
| Jun 15, 2026 | $0.44 | $0.44 | $0.44 | $0.44 | $0.44 | 3K | +0.09% |
| Jun 12, 2026 | $0.43 | $0.43 | $0.43 | $0.43 | $0.43 | 9K | +0.00% |
| Jun 11, 2026 | $0.43 | $0.43 | $0.43 | $0.43 | $0.43 | 9K | +0.21% |
| Jun 10, 2026 | $0.40 | $0.40 | $0.40 | $0.40 | $0.40 | 3K | +0.00% |
| Jun 9, 2026 | $0.40 | $0.40 | $0.36 | $0.36 | $0.36 | 177K | -9.65% |
| Jun 8, 2026 | $0.35 | $0.35 | $0.35 | $0.35 | $0.35 | 3K | +0.78% |
| Jun 5, 2026 | $0.34 | $0.34 | $0.34 | $0.34 | $0.34 | 68K | +0.00% |
| Jun 4, 2026 | $0.32 | $0.32 | $0.32 | $0.32 | $0.32 | 18K | +0.00% |
| Jun 3, 2026 | $0.32 | $0.32 | $0.32 | $0.32 | $0.32 | 18K | +0.00% |
| Jun 2, 2026 | $0.32 | $0.32 | $0.32 | $0.32 | $0.32 | 18K | +0.00% |
| Jun 1, 2026 | $0.32 | $0.32 | $0.32 | $0.32 | $0.32 | 0K | +0.00% |
| May 29, 2026 | $0.29 | $0.32 | $0.29 | $0.32 | $0.32 | 1K | +8.39% |
| May 28, 2026 | $0.30 | $0.32 | $0.30 | $0.32 | $0.32 | 18K | +7.03% |
| May 27, 2026 | $0.29 | $0.29 | $0.28 | $0.28 | $0.28 | 8K | -3.73% |
| May 26, 2026 | $0.29 | $0.29 | $0.29 | $0.29 | $0.29 | 0K | +0.00% |
| May 22, 2026 | $0.29 | $0.29 | $0.29 | $0.29 | $0.29 | 0K | +0.00% |
| May 21, 2026 | $0.29 | $0.29 | $0.29 | $0.29 | $0.29 | 1K | +0.00% |
| May 20, 2026 | $0.29 | $0.29 | $0.29 | $0.29 | $0.29 | 1K | +0.00% |
| May 19, 2026 | $0.35 | $0.35 | $0.29 | $0.29 | $0.29 | 1K | -17.58% |
| May 18, 2026 | $0.30 | $0.30 | $0.30 | $0.30 | $0.30 | 0K | +0.00% |
Showing 1–20 of 1,230 records
Annual Stock Price Performance · AGNPF
Jan 1 → Dec 31 · 6 years2026-4.4%$0.46 → $0.44
-4.4%
2025+8.0%$0.46 → $0.50
+8.0%
2024-4.1%$0.48 → $0.46
-4.1%
2023-87.4%$4.25 → $0.53
-87.4%
2022-50.6%$8.28 → $4.09
-50.6%
2021-75.5%$33.80 → $8.28
-75.5%
Best Year2025 · +8.0%
Worst Year2023 · -87.4%
Positive Years1 / 6
Avg Annual Return-35.7%
6Y Total Return-98.7%
6Y CAGR~-51.5% / yr
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If you invested $1,000 in AGNPF 10 years ago — how much would it be worth today?
INVESTED$1,000
→TODAY WORTH$3
Total Return-99.7%
CAGR~-43.6% / yr
Profit$-997
Based on Jun 15, 2016 · $136.10Split & dividend adjustedNo fees assumed
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About Price History & OHLCV Data
Algernon Pharmaceuticals Inc. (AGNPF) is classified under Healthcare and trades on OTC. The quote snapshot on this page shows a last price of $0.44. Use the chart and OHLCV table below for open, high, low, close and volume over time.
Annual performance bars, similar companies in the same sector, and the What If calculator help you explore long-horizon returns without leaving this tab. Figures use split-adjusted end-of-day prices where noted; this content is informational, not investment advice.
Data: FMP EOD · split-adjusted where noted · not investment advice
Frequently Asked Questions
AGNPF price history · 5 questionsEnd-of-day prices are sourced from market data providers (Financial Modeling Prep). Corporate actions such as splits may be reflected in adjusted series; always verify critical values with your broker or official filings.
AGNPF historical stock pricesFMP EOD datasplit-adjusted OHLCV