JETSX vs. VIIIX

Last updated Jun 5, 2026

JETSX (John Hancock Variable Insurance Trust Total Stock Market Index Trust Fund) and VIIIX (Vanguard Institutional Index Fund Institutional Plus Shares) are both mutual funds - JETSX is a Large Cap Blend Equities fund managed by John Hancock, while VIIIX is a S&P 500 fund tracking the S&P 500 Index. Over the past 5 years, JETSX returned 12.02%/yr vs 14.05%/yr for VIIIX. With a 0.96 correlation, they move nearly in lockstep. JETSX charges 0.49%/yr vs 0.02%/yr for VIIIX.

Performance

JETSX vs. VIIIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in John Hancock Variable Insurance Trust Total Stock Market Index Trust Fund (JETSX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with JETSX having a 10.62% return and VIIIX slightly higher at 10.88%.

JETSX

• 1D: -0.77%
• 1M: 3.86%
• YTD: 10.62%
• 6M: 10.21%
• 1Y: 27.09%
• 3Y*: 21.50%
• 5Y*: 12.02%
• 10Y*: —

VIIIX

• 1D: -0.74%
• 1M: 4.17%
• YTD: 10.88%
• 6M: 10.80%
• 1Y: 28.02%
• 3Y*: 22.87%
• 5Y*: 14.05%
• 10Y*: 15.65%

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

JETSX vs. VIIIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
JETSX John Hancock Variable Insurance Trust Total Stock Market Index Trust Fund	10.62%	16.65%	23.49%	25.60%	-20.14%	24.45%	21.19%	29.62%	-6.02%	15.53%
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares	10.88%	17.87%	26.29%	25.79%	-18.14%	28.69%	18.41%	31.48%	-4.41%	19.49%

Correlation

The correlation between JETSX and VIIIX is 0.85, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.85
Correlation (3Y) Calculated over the trailing 3-year period	0.88
Correlation (5Y) Calculated over the trailing 5-year period	0.93
Correlation (All Time) Calculated using the full available price history since Feb 2, 2017	0.96

The correlation between JETSX and VIIIX shifts across timeframes, from 0.85 (1 year) to 0.96 (all time), reflecting how their relationship changes across market environments.

Return for Risk

JETSX vs. VIIIX — Risk / Return Rank

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

JETSX

JETSX Risk / Return Rank: 75
JETSX Sharpe Ratio Rank: 74
JETSX Sortino Ratio Rank: 72
JETSX Omega Ratio Rank: 66
JETSX Calmar Ratio Rank: 79
JETSX Martin Ratio Rank: 84

VIIIX

VIIIX Risk / Return Rank: 66
VIIIX Sharpe Ratio Rank: 64
VIIIX Sortino Ratio Rank: 59
VIIIX Omega Ratio Rank: 59
VIIIX Calmar Ratio Rank: 67
VIIIX Martin Ratio Rank: 79

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.

JETSX vs. VIIIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for John Hancock Variable Insurance Trust Total Stock Market Index Trust Fund (JETSX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX). 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.

	JETSX	VIIIX	Difference
Sharpe ratio: Return per unit of total volatility	2.47	2.37	+0.09
Sortino ratio: Return per unit of downside risk	3.49	3.24	+0.25
Omega ratio: Gain probability vs. loss probability	1.44	1.43	+0.01
Calmar ratio: Return relative to maximum drawdown	3.47	3.17	+0.30
Martin ratio: Return relative to average drawdown	15.30	14.79	+0.51
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

JETSX vs. VIIIX - Sharpe Ratio Comparison

The current JETSX Sharpe Ratio is 2.47, which is comparable to the VIIIX Sharpe Ratio of 2.37. The chart below compares the historical Sharpe Ratios of JETSX and VIIIX, 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

	JETSX	VIIIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.47	2.37	+0.09
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.70	0.84	-0.14
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.87	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.75	0.49	+0.25

Drawdowns

JETSX vs. VIIIX - Drawdown Comparison

The maximum JETSX drawdown since its inception was -34.90%, smaller than the maximum VIIIX drawdown of -55.18%. Use the drawdown chart below to compare losses from any high point for JETSX and VIIIX.

Drawdown Indicators

	JETSX	VIIIX	Difference
Max Drawdown Largest peak-to-trough decline	-34.90%	-55.18%	+20.28%
Max Drawdown (1Y) Largest decline over 1 year	-8.99%	-8.90%	-0.09%
Max Drawdown (3Y) Largest decline over 3 years	-19.94%	-18.75%	-1.19%
Max Drawdown (5Y) Largest decline over 5 years	-25.97%	-24.50%	-1.47%
Max Drawdown (10Y) Largest decline over 10 years	—	-33.79%	—
Current Drawdown Current decline from peak	-0.77%	-0.74%	-0.03%
Average Drawdown Average peak-to-trough decline	-5.22%	-10.02%	+4.80%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.93%	1.90%	+0.03%

Volatility

JETSX vs. VIIIX - Volatility Comparison

John Hancock Variable Insurance Trust Total Stock Market Index Trust Fund (JETSX) has a higher volatility of 3.11% compared to Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) at 2.93%. This indicates that JETSX's price experiences larger fluctuations and is considered to be riskier than VIIIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	JETSX	VIIIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.11%	2.93%	+0.18%
Volatility (6M) Calculated over the trailing 6-month period	9.42%	8.99%	+0.43%
Volatility (1Y) Calculated over the trailing 1-year period	12.65%	11.88%	+0.77%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.86%	16.89%	+0.97%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.10%	18.06%	+1.04%

JETSX vs. VIIIX - Expense Ratio Comparison

JETSX has a 0.49% expense ratio, which is higher than VIIIX's 0.02% expense ratio.

Dividends

JETSX vs. VIIIX - Dividend Comparison

JETSX's dividend yield for the trailing twelve months is around 2.45%, which matches VIIIX's 2.43% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
JETSX John Hancock Variable Insurance Trust Total Stock Market Index Trust Fund	2.45%	2.71%	4.39%	6.69%	18.21%	5.70%	9.92%	8.22%	4.63%	0.99%	0.00%	0.00%
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares	2.43%	2.11%	3.66%	2.66%	3.39%	4.79%	3.07%	2.86%	2.45%	1.84%	2.38%	2.47%

Frequently Asked Questions

Can I hold both JETSX and VIIIX in my portfolio?

JETSX and VIIIX have a correlation of 0.85, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, JETSX or VIIIX?

JETSX has higher volatility (3.11%) compared to VIIIX (2.93%). In terms of maximum drawdown, JETSX dropped -34.90% vs VIIIX's -55.18%.

Which has better risk-adjusted returns?

JETSX currently has the higher Sharpe Ratio (2.47 vs 2.37), 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.