IDT market cap IDT
Share price times shares outstanding: what the whole company sells for, since 2011.
- Today, Oct 23, 2026
- $2B
- Highest close in our data
- $2B
- Oct 2026
IDT is worth $2B at the close on Oct 23, 2026, at $82.47 a share.
That is up 60% over the last year and up 64% over five years.
Its highest close in our data was $2B in Oct 2026.
Market cap over time
Year by year
| Year | End of year | Low | High | Change |
|---|---|---|---|---|
| 2026 so far | $2B | $1.2B | $2B | +57% |
| 2025 | $1.3B | $1.2B | $1.8B | +8% |
| 2024 | $1.2B | $819.7M | $1.3B | +41% |
| 2023 | $857.7M | $562.2M | $870M | +19% |
| 2022 | $718.6M | $599.1M | $1.1B | −37% |
| 2021 | $1.1B | $315.9M | $1.7B | +261% |
| 2020 | $315.4M | $135.9M | $356.2M | +69% |
| 2019 | $186.3M | $144.9M | $296.7M | +27% |
| 2018 | $146.3M | $127.8M | $300.8M | −44% |
| 2017 | $263.3M | $253.9M | $454.8M | −38% |
| 2016 | $427.6M | $214.8M | $495.8M | +88% |
| 2015 | $227.7M | $215.8M | $441.2M | −42% |
| 2014 | $389.7M | $277.5M | $389.7M | +12% |
| 2013 | $347.9M | $155.3M | $428M | +129% |
| 2012 | $151.8M | $129.1M | $173M | +1% |
| 2011 | $150.8M | $149.9M | $150.8M | n/a |
Against its peers
Companies in Telecommunications Services nearest IDT's size, closest first, today.
| Company | Market cap |
|---|---|
| IDTIDT | $2B |
| CALXCalix | $2.3B |
| ATEXAnterix | $1.5B |
| ADArray Digital Infrastructure | $2.9B |
| TDSTelephone & Data Systems | $4.1B |
| IRDMIridium Communications | $4.7B |
| ATNIATN International | $399.1M |
| CHTRCharter Communications | $13B |
| SPOKSpok | $215.5M |
| Peer median | $2.6B |
What the market cap tells you
Share price times shares outstanding: what the whole company sells for today.
Size, not quality. Large caps move slower and are covered more. That is all it tells you.
More on IDT
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.