IDT Corporation (IDT) - Market capitalization

Market cap: £1.08 Billion

As of July 2026 IDT Corporation has a market cap of £1.08 Billion. This makes IDT Corporation the world's 5558th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of IDT Corporation from 2001 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	£1.08 B	12.17%
2025	£0.96 B	0.35%
2024	£0.96 B	43.24%
2023	£0.67 B	13.35%
2022	£0.59 B	-29.52%
2021	£0.84 B	264.25%
2020	£0.23 B	58.79%
2019	£0.14 B	25.99%
2018	£0.11 B	-40.63%
2017	£0.19 B	-43.78%
2016	£0.34 B	88.81%
2015	£0.18 B	-39.35%
2014	£0.30 B	21.46%
2013	£0.24 B	84.85%
2012	£0.13 B	-1.81%
2011	£0.13 B	-56.29%
2010	£0.31 B	454.99%
2009	£56.58 M	172.98%
2008	£20.72 M	-93.56%
2007	£0.32 B	-40.94%
2006	£0.54 B	-18.55%
2005	£0.66 B	-13.89%
2004	£0.77 B	-28.15%
2003	£1.08 B	13.67%
2002	£0.95 B	-7.74%
2001	£1.03 B

End of Day market cap according to different sources

On Jun 30th, 2026 the market cap of IDT Corporation was reported to be:

£1.08 Billion

by Nasdaq

£1.08 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Microsoft MSFT	£2.150 T	197,980.13%	🇺🇸 USA
AT&T T	£107.19 B	9,774.31%	🇺🇸 USA
Fiserv FISV	£20.37 B	1,777.13%	🇺🇸 USA
Verizon VZ	£132.07 B	12,066.24%	🇺🇸 USA
Orange ORA.PA	£35.92 B	3,209.68%	🇫🇷 France
Vonage Holdings Corp. VG.defunct	£4.05 B	273.71%	🇺🇸 USA
Consolidated Communications CNSL	£0.42 B	-61.20%	🇺🇸 USA
Telefónica TEF.MC	£16.70 B	1,438.76%	🇪🇸 Spain
8x8 EGHT	£0.19 B	-82.00%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of IDT Corporation (IDT)

Market cap: £1.08 Billion