Altair Corp.
ATCDOTCIndustrials● Active
$1,490.00
+$0.00(+0.00%)
Market Cap$1.8B
P/E Ratio—
52W High$1500
52W Low$1181
Altair Corp. (ATCD) Stock Price History
Key milestones, OHLCV table, annual returns, peers & What If.
atcd · EOD price history · split-adj. · FMP · as of Jun 4, 2026
5-Year High5Y
$2,470.56
Aug 16, 2022
-39.7% from here
5-Year Low5Y
$1,181.00
Oct 6, 2025
+26.2% from low
IPO Priceadj.
$590.00
Nov 13, 2012
+152.5% since IPO
1 Year Ago
$1,181.00
Jun 9, 2025
+26.2% in 1Y
5 Years Ago
$2,075.00
Jun 9, 2021
-28.2% in 5Y
10 Years Ago
$3,000.00
Jun 9, 2016
-50.3% in 10Y
Historical Price Data · ATCD
| Date↓ | Open↕ | High↕ | Low↕ | Close↕ | Close (Unadj.) ⓘ | Volume↕ | Change %↕ |
|---|---|---|---|---|---|---|---|
| Jun 4, 2026 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | 0K | +0.00% |
| Jun 3, 2026 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | 0K | +0.00% |
| Jun 2, 2026 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | 0K | +0.00% |
| Jun 1, 2026 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | 0K | +0.00% |
| May 29, 2026 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | 0K | +0.00% |
| May 28, 2026 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | 0K | +0.00% |
| May 27, 2026 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | 0K | +0.00% |
| May 26, 2026 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | 0K | +0.00% |
| May 22, 2026 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | 0K | +0.00% |
| May 21, 2026 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | 0K | +0.00% |
| May 20, 2026 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | 0K | +0.00% |
| May 19, 2026 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | 0K | +0.00% |
| May 18, 2026 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | 0K | +0.00% |
| May 15, 2026 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | 0K | +0.00% |
| May 14, 2026 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | 0K | +0.00% |
| May 13, 2026 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | 0K | +0.00% |
| May 12, 2026 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | 0K | +0.00% |
| May 11, 2026 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | 0K | +0.00% |
| May 8, 2026 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | 0K | +0.00% |
| May 7, 2026 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | $1,490.00 | 0K | +0.00% |
Showing 1–20 of 1,252 records
Annual Stock Price Performance · ATCD
Jan 1 → Dec 31 · 6 years2026+0.0%$1490.00 → $1490.00
+0.0%
2025+19.2%$1250.00 → $1490.00
+19.2%
2024-4.6%$1310.00 → $1250.00
-4.6%
2023-34.5%$2000.00 → $1310.00
-34.5%
2022-19.0%$2470.56 → $2000.00
-19.0%
2021+19.1%$2075.00 → $2470.56
+19.1%
Best Year2025 · +19.2%
Worst Year2023 · -34.5%
Positive Years3 / 6
Avg Annual Return-3.3%
6Y Total Return-28.2%
6Y CAGR~-5.4% / yr
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If you invested $1,000 in ATCD 10 years ago — how much would it be worth today?
INVESTED$1,000
→TODAY WORTH$497
Total Return-50.3%
CAGR~-6.8% / yr
Profit$-503
Based on Jun 9, 2016 · $3000.00Split & dividend adjustedNo fees assumed
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About Price History & OHLCV Data
Altair Corp. (ATCD) is classified under Industrials and trades on OTC. The quote snapshot on this page shows a last price of $1,490.00. 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
ATCD 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.
ATCD historical stock pricesFMP EOD datasplit-adjusted OHLCV