TKOMY vs. VOO

Last updated Jun 3, 2026

TKOMY (Tokio Marine Holdings Inc) is a stock, while VOO (Vanguard S&P 500 ETF) is S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, TKOMY returned 15.34%/yr vs 15.65%/yr for VOO. At a 0.39 correlation, their price movements are largely independent.

Performance

TKOMY vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Tokio Marine Holdings Inc (TKOMY) and Vanguard S&P 500 ETF (VOO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TKOMY achieves a 20.06% return, which is significantly higher than VOO's 11.69% return. Both investments have delivered pretty close results over the past 10 years, with TKOMY having a 15.34% annualized return and VOO not far ahead at 15.65%.

TKOMY

• 1D: 0.02%
• 1M: -1.53%
• YTD: 20.06%
• 6M: 26.50%
• 1Y: 1.58%
• 3Y*: 25.59%
• 5Y*: 23.55%
• 10Y*: 15.34%

VOO

• 1D: 0.14%
• 1M: 5.39%
• YTD: 11.69%
• 6M: 12.11%
• 1Y: 29.68%
• 3Y*: 22.73%
• 5Y*: 14.26%
• 10Y*: 15.65%

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

TKOMY vs. VOO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TKOMY Tokio Marine Holdings Inc	20.06%	4.28%	46.61%	16.29%	14.78%	6.20%	-5.38%	17.55%	3.65%	13.57%
VOO Vanguard S&P 500 ETF	11.69%	17.82%	24.98%	26.32%	-18.17%	28.79%	18.32%	31.37%	-4.50%	21.77%

Correlation

The correlation between TKOMY and VOO is 0.33, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.33
Correlation (3Y) Calculated over the trailing 3-year period	0.32
Correlation (5Y) Calculated over the trailing 5-year period	0.30
Correlation (10Y) Calculated over the trailing 10-year period	0.35
Correlation (All Time) Calculated using the full available price history since Sep 10, 2010	0.39

Return for Risk

TKOMY vs. VOO — Risk / Return Rank

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

TKOMY

TKOMY Risk / Return Rank: 41
TKOMY Sharpe Ratio Rank: 42
TKOMY Sortino Ratio Rank: 37
TKOMY Omega Ratio Rank: 37
TKOMY Calmar Ratio Rank: 44
TKOMY Martin Ratio Rank: 45

VOO

VOO Risk / Return Rank: 75
VOO Sharpe Ratio Rank: 77
VOO Sortino Ratio Rank: 75
VOO Omega Ratio Rank: 76
VOO Calmar Ratio Rank: 68
VOO Martin Ratio Rank: 80

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.

TKOMY vs. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Tokio Marine Holdings Inc (TKOMY) and Vanguard S&P 500 ETF (VOO). 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.

	TKOMY	VOO	Difference
Sharpe ratio Return per unit of total volatility	0.05	2.53	-2.49
Sortino ratio Return per unit of downside risk	0.34	3.43	-3.09
Omega ratio Gain probability vs. loss probability	1.04	1.46	-0.42
Calmar ratio Return relative to maximum drawdown	0.19	3.42	-3.23
Martin ratio Return relative to average drawdown	0.41	15.95	-15.54
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TKOMY vs. VOO - Sharpe Ratio Comparison

The current TKOMY Sharpe Ratio is 0.05, which is lower than the VOO Sharpe Ratio of 2.53. The chart below compares the historical Sharpe Ratios of TKOMY and VOO, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	TKOMY	VOO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.05	2.53	-2.49
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.77	0.85	-0.08
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.56	0.87	-0.32
Sharpe Ratio (All Time) Calculated using the full available price history	0.23	0.89	-0.66

Drawdowns

TKOMY vs. VOO - Drawdown Comparison

The maximum TKOMY drawdown since its inception was -56.95%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for TKOMY and VOO.

Drawdown Indicators

	TKOMY	VOO	Difference
Max Drawdown Largest peak-to-trough decline	-56.95%	-33.99%	-22.96%
Max Drawdown (1Y) Largest decline over 1 year	-26.18%	-8.90%	-17.28%
Max Drawdown (3Y) Largest decline over 3 years	-27.67%	-18.69%	-8.98%
Max Drawdown (5Y) Largest decline over 5 years	-27.67%	-24.52%	-3.15%
Max Drawdown (10Y) Largest decline over 10 years	-32.32%	-33.99%	+1.67%
Current Drawdown Current decline from peak	-11.64%	0.00%	-11.64%
Average Drawdown Average peak-to-trough decline	-16.57%	-3.69%	-12.88%
Ulcer Index Depth and duration of drawdowns from previous peaks	11.86%	1.91%	+9.95%

Volatility

TKOMY vs. VOO - Volatility Comparison

Tokio Marine Holdings Inc (TKOMY) has a higher volatility of 8.65% compared to Vanguard S&P 500 ETF (VOO) at 2.74%. This indicates that TKOMY's price experiences larger fluctuations and is considered to be riskier than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TKOMY	VOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.65%	2.74%	+5.91%
Volatility (6M) Calculated over the trailing 6-month period	27.73%	8.88%	+18.85%
Volatility (1Y) Calculated over the trailing 1-year period	35.37%	11.78%	+23.59%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	30.71%	16.81%	+13.90%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.73%	18.01%	+9.72%

Dividends

TKOMY vs. VOO - Dividend Comparison

TKOMY has not paid dividends to shareholders, while VOO's dividend yield for the trailing twelve months is around 1.02%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
TKOMY Tokio Marine Holdings Inc	0.00%	1.69%	1.49%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	1.41%	2.81%	0.00%
VOO Vanguard S&P 500 ETF	1.02%	1.13%	1.24%	1.46%	1.69%	1.25%	1.54%	1.88%	2.06%	1.78%	2.02%	2.10%

Frequently Asked Questions

Can I hold both TKOMY and VOO in my portfolio?

TKOMY and VOO have a correlation of 0.33, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TKOMY or VOO?

TKOMY has higher volatility (8.65%) compared to VOO (2.74%). In terms of maximum drawdown, TKOMY dropped -56.95% vs VOO's -33.99%.

Which has better risk-adjusted returns?

VOO currently has the higher Sharpe Ratio (2.53 vs 0.04), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.