AZPN vs. VONG

Last updated Jun 4, 2026

AZPN (Aspen Technology, Inc.) is a stock, while VONG (Vanguard Russell 1000 Growth ETF) is Large Cap Growth Equities fund tracking the Russell 1000 Growth Index. A 0.52 correlation means they provide meaningful diversification when combined.

Performance

AZPN vs. VONG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Aspen Technology, Inc. (AZPN) and Vanguard Russell 1000 Growth ETF (VONG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

AZPN

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

VONG

• 1D: -1.32%
• 1M: 5.68%
• YTD: 7.17%
• 6M: 6.52%
• 1Y: 25.74%
• 3Y*: 24.92%
• 5Y*: 15.38%
• 10Y*: 18.61%

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

AZPN vs. VONG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AZPN Aspen Technology, Inc.	0.00%	5.89%	13.39%	7.18%	34.95%	16.85%	7.71%	47.15%	24.14%	21.07%
VONG Vanguard Russell 1000 Growth ETF	7.17%	18.45%	33.20%	42.67%	-29.18%	27.60%	38.30%	36.06%	-1.53%	30.05%

Correlation

The correlation between AZPN and VONG is 0.52, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (3Y) Calculated over the trailing 3-year period	0.21
Correlation (5Y) Calculated over the trailing 5-year period	0.35
Correlation (10Y) Calculated over the trailing 10-year period	0.48
Correlation (All Time) Calculated using the full available price history since Sep 23, 2010	0.52

The correlation between AZPN and VONG shifts across timeframes, from 0.21 (3 years) to 0.52 (all time), reflecting how their relationship changes across market environments.

Return for Risk

AZPN vs. VONG — Risk / Return Rank

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

VONG

VONG Risk / Return Rank: 41
VONG Sharpe Ratio Rank: 48
VONG Sortino Ratio Rank: 45
VONG Omega Ratio Rank: 45
VONG Calmar Ratio Rank: 32
VONG Martin Ratio Rank: 34

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.

AZPN vs. VONG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Aspen Technology, Inc. (AZPN) and Vanguard Russell 1000 Growth ETF (VONG). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	AZPN	VONG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	1.68	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.72	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.89	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	0.90	—

Drawdowns

Drawdown Indicators

	AZPN	VONG	Difference
Max Drawdown Largest peak-to-trough decline	—	-32.72%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-16.23%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-23.27%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-32.72%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-32.72%	—
Current Drawdown Current decline from peak	—	-1.66%	—
Average Drawdown Average peak-to-trough decline	—	-4.88%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	4.83%	—

Volatility

Volatility by Period

	AZPN	VONG	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	3.60%	—
Volatility (6M) Calculated over the trailing 6-month period	—	11.61%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	15.37%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	21.33%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	20.87%	—

Dividends

AZPN vs. VONG - Dividend Comparison

AZPN has not paid dividends to shareholders, while VONG's dividend yield for the trailing twelve months is around 0.43%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AZPN Aspen Technology, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VONG Vanguard Russell 1000 Growth ETF	0.43%	0.45%	0.55%	0.71%	0.98%	0.58%	0.77%	1.03%	1.18%	1.19%	1.48%	1.47%

Frequently Asked Questions

Can I hold both AZPN and VONG in my portfolio?

AZPN and VONG have a correlation of 0.52, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.