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Side-by-side financial comparison of IDT CORP (IDT) and KT CORP (KT). Click either name above to swap in a different company.

IDT Corporation is a multinational provider of cloud communications, point of sale systems, unified communications, and financial services foreign exchange services for selected clients. It has units dedicated for businesses and consumers such as the Boss Revolution pre-paid phone cards, headquartered in Newark, New Jersey.

KT Corporation, formerly Korea Telecom, is a South Korean telecommunications company, mobile network operator (MNO) and mobile virtual network operator (MVNO). KT is the large wireless carrier in South Korea, with 13.5 million subscribers as of Q4 2023.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
IDT
IDT
KT
KT
Q4 25
$322.8M
Q3 25
$316.6M
Q2 25
$302.0M
Q1 25
$303.3M
Q4 24
$309.6M
Q3 24
$308.8M
Q2 24
$299.6M
Q1 24
$296.1M
Net Profit
IDT
IDT
KT
KT
Q4 25
$22.4M
Q3 25
$16.9M
Q2 25
$21.7M
Q1 25
$20.3M
Q4 24
$17.2M
Q3 24
$36.8M
Q2 24
$5.6M
Q1 24
$14.4M
Gross Margin
IDT
IDT
KT
KT
Q4 25
36.6%
Q3 25
36.2%
Q2 25
37.1%
Q1 25
37.0%
Q4 24
34.8%
Q3 24
33.1%
Q2 24
32.4%
Q1 24
32.7%
Operating Margin
IDT
IDT
KT
KT
Q4 25
9.6%
Q3 25
6.9%
Q2 25
8.8%
Q1 25
9.3%
Q4 24
7.6%
Q3 24
6.5%
Q2 24
3.8%
Q1 24
5.4%
Net Margin
IDT
IDT
KT
KT
Q4 25
6.9%
Q3 25
5.3%
Q2 25
7.2%
Q1 25
6.7%
Q4 24
5.6%
Q3 24
11.9%
Q2 24
1.9%
Q1 24
4.9%
EPS (diluted)
IDT
IDT
KT
KT
Q4 25
$0.89
Q3 25
$0.67
Q2 25
$0.86
Q1 25
$0.80
Q4 24
$0.68
Q3 24
$1.45
Q2 24
$0.22
Q1 24
$0.57

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

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