KT vs. VIV

Last updated Apr 1, 2026

Compare and contrast key facts about KT Corporation (KT) and Telefônica Brasil S.A. (VIV).

Performance

KT vs. VIV - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in KT Corporation (KT) and Telefônica Brasil S.A. (VIV). The values are adjusted to include any dividend payments, if applicable.

KT vs. VIV - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
KT KT Corporation	13.07%	27.73%	19.93%	5.01%	13.34%	21.00%	-5.09%	-18.42%	-8.90%	10.79%
VIV Telefônica Brasil S.A.	34.67%	66.98%	-27.07%	64.86%	-13.84%	4.65%	-32.07%	27.54%	-11.53%	23.72%

Fundamentals

Market Cap KT : $4.53B VIV : $25.42B
EPS KT : $4.40K VIV : $3.87
PE Ratio KT : 0.00 VIV : 4.11
PEG Ratio KT : 0.00 VIV : 1.23
PS Ratio KT : 0.00 VIV : 0.43
PB Ratio KT : 0.00 VIV : 0.37
Total Revenue (TTM) KT : $28.21T VIV : $59.83B
Gross Profit (TTM) KT : $18.93T VIV : $26.11B
EBITDA (TTM) KT : $5.21T VIV : $24.09B

Returns By Period

In the year-to-date period, KT achieves a 13.07% return, which is significantly lower than VIV's 34.67% return. Over the past 10 years, KT has underperformed VIV with an annualized return of 7.61%, while VIV has yielded a comparatively higher 9.82% annualized return.

KT

• 1D: 1.37%
• 1M: -9.87%
• YTD: 13.07%
• 6M: 11.23%
• 1Y: 23.79%
• 3Y*: 29.37%
• 5Y*: 17.09%
• 10Y*: 7.61%

VIV

• 1D: 4.46%
• 1M: -5.77%
• YTD: 34.67%
• 6M: 26.52%
• 1Y: 88.73%
• 3Y*: 35.33%
• 5Y*: 22.55%
• 10Y*: 9.82%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

KT vs. VIV — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

KT

KT Risk / Return Rank: 72
KT Sharpe Ratio Rank: 77
KT Sortino Ratio Rank: 71
KT Omega Ratio Rank: 66
KT Calmar Ratio Rank: 74
KT Martin Ratio Rank: 71

VIV

VIV Risk / Return Rank: 96
VIV Sharpe Ratio Rank: 97
VIV Sortino Ratio Rank: 95
VIV Omega Ratio Rank: 94
VIV Calmar Ratio Rank: 97
VIV Martin Ratio Rank: 96

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

KT vs. VIV - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for KT Corporation (KT) and Telefônica Brasil S.A. (VIV). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	KT	VIV	Difference
Sharpe ratio Return per unit of total volatility	1.08	3.07	-1.99
Sortino ratio Return per unit of downside risk	1.61	3.50	-1.89
Omega ratio Gain probability vs. loss probability	1.19	1.48	-0.29
Calmar ratio Return relative to maximum drawdown	1.71	7.14	-5.42
Martin ratio Return relative to average drawdown	3.57	19.00	-15.42
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

KT vs. VIV - Sharpe Ratio Comparison

The current KT Sharpe Ratio is 1.08, which is lower than the VIV Sharpe Ratio of 3.07. The chart below compares the historical Sharpe Ratios of KT and VIV, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	KT	VIV	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.08	3.07	-1.99
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.76	0.80	-0.04
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.33	0.32	+0.01
Sharpe Ratio (All Time) Calculated using the full available price history	0.04	0.15	-0.11

Correlation

The correlation between KT and VIV is 0.28, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

KT vs. VIV - Dividend Comparison

KT's dividend yield for the trailing twelve months is around 1.96%, less than VIV's 2.52% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
KT KT Corporation	1.96%	4.24%	3.50%	5.29%	5.40%	6.00%	0.00%	0.00%	0.00%	0.00%	2.49%	1.84%
VIV Telefônica Brasil S.A.	2.52%	5.10%	6.60%	5.55%	5.86%	6.44%	10.22%	5.25%	9.20%	10.87%	4.09%	10.07%

Drawdowns

KT vs. VIV - Drawdown Comparison

The maximum KT drawdown since its inception was -85.64%, which is greater than VIV's maximum drawdown of -77.73%. Use the drawdown chart below to compare losses from any high point for KT and VIV.

Drawdown Indicators

	KT	VIV	Difference
Max Drawdown Largest peak-to-trough decline	-85.64%	-77.73%	-7.91%
Max Drawdown (1Y) Largest decline over 1 year	-15.53%	-12.25%	-3.28%
Max Drawdown (5Y) Largest decline over 5 years	-25.13%	-40.76%	+15.63%
Max Drawdown (10Y) Largest decline over 10 years	-64.03%	-47.57%	-16.46%
Current Drawdown Current decline from peak	-41.07%	-5.77%	-35.30%
Average Drawdown Average peak-to-trough decline	-66.06%	-32.17%	-33.89%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.43%	4.60%	+2.83%

Volatility

KT vs. VIV - Volatility Comparison

The current volatility for KT Corporation (KT) is 8.36%, while Telefônica Brasil S.A. (VIV) has a volatility of 10.91%. This indicates that KT experiences smaller price fluctuations and is considered to be less risky than VIV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	KT	VIV	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.36%	10.91%	-2.55%
Volatility (6M) Calculated over the trailing 6-month period	15.75%	22.38%	-6.63%
Volatility (1Y) Calculated over the trailing 1-year period	22.14%	29.04%	-6.90%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.56%	28.34%	-5.78%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.31%	31.22%	-7.91%

Financials

KT vs. VIV - Profitability Comparison

The chart below illustrates the profitability comparison between KT Corporation and Telefônica Brasil S.A. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

KT - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, KT Corporation reported a gross profit of 2.23T and revenue of 6.81T. Therefore, the gross margin over that period was 32.7%.

VIV - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Telefônica Brasil S.A. reported a gross profit of 6.34B and revenue of 15.85B. Therefore, the gross margin over that period was 40.0%.

KT - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, KT Corporation reported an operating income of 219.62B and revenue of 6.81T, resulting in an operating margin of 3.2%.

VIV - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Telefônica Brasil S.A. reported an operating income of 2.47B and revenue of 15.85B, resulting in an operating margin of 15.6%.

KT - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, KT Corporation reported a net income of 111.14B and revenue of 6.81T, resulting in a net margin of 1.6%.

VIV - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Telefônica Brasil S.A. reported a net income of 1.91B and revenue of 15.85B, resulting in a net margin of 12.0%.