Alpine Immune Sciences, Inc.
ALPNNASDAQHealthcare
$64.97
+$0.01(+0.02%)
Market Cap$4.5B
P/E Ratio—
52W High$65.0
52W Low$8.33
Alpine Immune Sciences, Inc. (ALPN) Stock Price History
Key milestones, OHLCV table, annual returns, peers & What If.
alpn · EOD price history · split-adj. · FMP · as of May 20, 2024
5-Year High5Y
$65.00
May 17, 2024
-0.0% from here
5-Year Low5Y
$4.82
Oct 24, 2022
+1.2K% from low
IPO Priceadj.
$59.68
Jun 17, 2015
+8.9% since IPO
1 Year Ago
—
—
+0.0% in 1Y
5 Years Ago
$9.16
Jun 9, 2021
+609.3% in 5Y
10 Years Ago
$17.76
Jun 9, 2016
+265.8% in 10Y
Historical Price Data · ALPN
| Date↓ | Open↕ | High↕ | Low↕ | Close↕ | Close (Unadj.) ⓘ | Volume↕ | Change %↕ |
|---|---|---|---|---|---|---|---|
| May 20, 2024 | $64.97 | $64.97 | $64.97 | $64.97 | $64.97 | 0K | +0.00% |
| May 17, 2024 | $64.98 | $65.00 | $64.97 | $64.97 | $64.97 | 4.3M | -0.02% |
| May 16, 2024 | $64.97 | $64.98 | $64.95 | $64.96 | $64.96 | 733K | -0.02% |
| May 15, 2024 | $64.95 | $64.97 | $64.94 | $64.97 | $64.97 | 1.3M | +0.03% |
| May 14, 2024 | $64.94 | $64.96 | $64.94 | $64.95 | $64.95 | 1.0M | +0.02% |
| May 13, 2024 | $64.94 | $64.96 | $64.92 | $64.95 | $64.95 | 3.0M | +0.02% |
| May 10, 2024 | $64.94 | $64.94 | $64.91 | $64.94 | $64.94 | 3.0M | +0.00% |
| May 9, 2024 | $64.67 | $64.85 | $64.65 | $64.82 | $64.82 | 1.1M | +0.23% |
| May 8, 2024 | $64.63 | $64.72 | $64.59 | $64.70 | $64.70 | 749K | +0.11% |
| May 7, 2024 | $64.60 | $64.67 | $64.56 | $64.64 | $64.64 | 1.3M | +0.06% |
| May 6, 2024 | $64.63 | $64.64 | $64.50 | $64.60 | $64.60 | 1.4M | -0.05% |
| May 3, 2024 | $64.65 | $64.65 | $64.58 | $64.60 | $64.60 | 1.9M | -0.08% |
| May 2, 2024 | $64.62 | $64.68 | $64.58 | $64.60 | $64.60 | 2.8M | -0.03% |
| May 1, 2024 | $64.63 | $64.69 | $64.56 | $64.60 | $64.60 | 2.8M | -0.05% |
| Apr 30, 2024 | $64.63 | $64.72 | $64.56 | $64.59 | $64.59 | 1.6M | -0.06% |
| Apr 29, 2024 | $64.61 | $64.70 | $64.57 | $64.70 | $64.70 | 1.6M | +0.14% |
| Apr 26, 2024 | $64.58 | $64.63 | $64.51 | $64.56 | $64.56 | 1.3M | -0.03% |
| Apr 25, 2024 | $64.57 | $64.65 | $64.54 | $64.62 | $64.62 | 1.8M | +0.08% |
| Apr 24, 2024 | $64.57 | $64.63 | $64.56 | $64.57 | $64.57 | 1.2M | +0.00% |
| Apr 23, 2024 | $64.58 | $64.70 | $64.50 | $64.55 | $64.55 | 3.1M | -0.05% |
Showing 1–20 of 742 records
Annual Stock Price Performance · ALPN
Jan 1 → Dec 31 · 4 years2024+245.4%$18.81 → $64.97
+245.4%
2023+159.0%$7.36 → $19.06
+159.0%
2022-46.9%$13.83 → $7.35
-46.9%
2021+49.6%$9.26 → $13.85
+49.6%
Best Year2024 · +245.4%
Worst Year2022 · -46.9%
Positive Years3 / 4
Avg Annual Return+101.8%
4Y Total Return+601.6%
4Y CAGR~+62.8% / yr
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If you invested $1,000 in ALPN 10 years ago — how much would it be worth today?
INVESTED$1,000
→TODAY WORTH$3,658
Total Return+265.8%
CAGR~+13.8% / yr
Profit+$2,658
Based on Jun 9, 2016 · $17.76Split & dividend adjustedNo fees assumed
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About Price History & OHLCV Data
Alpine Immune Sciences, Inc. (ALPN) is classified under Healthcare and trades on NASDAQ. The quote snapshot on this page shows a last price of $64.97. 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
ALPN 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.
ALPN historical stock pricesFMP EOD datasplit-adjusted OHLCV