Altair Engineering Inc.
ALTRNASDAQTechnology
$111.85
+$0.00(+0.00%)
Market Cap$9.6B
P/E Ratio—
52W High$113.12
52W Low$75.71
Altair Engineering Inc. (ALTR) Stock Price History
Key milestones, OHLCV table, annual returns, peers & What If.
altr · EOD price history · split-adj. · FMP · as of Mar 26, 2025
5-Year High5Y
$113.12
Oct 29, 2024
-1.1% from here
5-Year Low5Y
$43.17
Oct 13, 2022
+159.1% from low
IPO Priceadj.
—
Nov 1, 2017
+0.0% since IPO
1 Year Ago
—
—
+0.0% in 1Y
5 Years Ago
—
—
+0.0% in 5Y
10 Years Ago
—
—
+0.0% in 10Y
Historical Price Data · ALTR
| Date↓ | Open↕ | High↕ | Low↕ | Close↕ | Close (Unadj.) ⓘ | Volume↕ | Change %↕ |
|---|---|---|---|---|---|---|---|
| Mar 26, 2025 | $111.85 | $111.85 | $111.85 | $111.85 | $111.85 | 0K | +0.00% |
| Mar 25, 2025 | $111.80 | $111.91 | $111.70 | $111.85 | $111.85 | 1.0M | +0.04% |
| Mar 24, 2025 | $111.95 | $111.98 | $111.69 | $111.69 | $111.69 | 420K | -0.23% |
| Mar 21, 2025 | $111.50 | $112.31 | $111.47 | $111.75 | $111.75 | 1.9M | +0.22% |
| Mar 20, 2025 | $111.50 | $111.70 | $111.47 | $111.54 | $111.54 | 469K | +0.04% |
| Mar 19, 2025 | $111.45 | $111.75 | $111.33 | $111.67 | $111.67 | 1.1M | +0.20% |
| Mar 18, 2025 | $111.40 | $111.57 | $111.34 | $111.44 | $111.44 | 568K | +0.04% |
| Mar 17, 2025 | $111.30 | $111.75 | $111.30 | $111.42 | $111.42 | 1.0M | +0.11% |
| Mar 14, 2025 | $111.39 | $111.49 | $111.24 | $111.35 | $111.35 | 530K | -0.04% |
| Mar 13, 2025 | $111.15 | $111.38 | $111.10 | $111.15 | $111.15 | 664K | +0.00% |
| Mar 12, 2025 | $111.59 | $111.59 | $111.18 | $111.23 | $111.23 | 581K | -0.32% |
| Mar 11, 2025 | $111.14 | $111.42 | $111.02 | $111.34 | $111.34 | 873K | +0.18% |
| Mar 10, 2025 | $111.10 | $111.33 | $111.00 | $111.09 | $111.09 | 657K | -0.01% |
| Mar 7, 2025 | $111.31 | $111.52 | $111.05 | $111.24 | $111.24 | 659K | -0.06% |
| Mar 6, 2025 | $111.21 | $111.39 | $110.78 | $111.11 | $111.11 | 1.9M | -0.09% |
| Mar 5, 2025 | $111.35 | $111.54 | $111.26 | $111.32 | $111.32 | 585K | -0.03% |
| Mar 4, 2025 | $111.65 | $111.70 | $111.22 | $111.34 | $111.34 | 649K | -0.28% |
| Mar 3, 2025 | $111.59 | $111.73 | $111.37 | $111.43 | $111.43 | 1.1M | -0.14% |
| Feb 28, 2025 | $111.50 | $111.68 | $111.42 | $111.60 | $111.60 | 576K | +0.09% |
| Feb 27, 2025 | $111.53 | $111.76 | $111.45 | $111.49 | $111.49 | 545K | -0.04% |
Showing 1–20 of 953 records
Annual Stock Price Performance · ALTR
Jan 1 → Dec 31 · 5 years2025+2.4%$109.25 → $111.85
+2.4%
2024+32.6%$82.31 → $109.11
+32.6%
2023+82.2%$46.19 → $84.15
+82.2%
2022-41.2%$77.34 → $45.47
-41.2%
2021+18.4%$65.31 → $77.32
+18.4%
Best Year2023 · +82.2%
Worst Year2022 · -41.2%
Positive Years4 / 5
Avg Annual Return+18.9%
5Y Total Return+71.3%
5Y CAGR~+11.4% / yr
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Mkt Cap $566.2BAbout Price History & OHLCV Data
Altair Engineering Inc. (ALTR) is classified under Technology and trades on NASDAQ. The quote snapshot on this page shows a last price of $111.85. 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
ALTR 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.
ALTR historical stock pricesFMP EOD datasplit-adjusted OHLCV