IDA vs. VTRIX

Last updated Jun 4, 2026

IDA (IDACORP, Inc.) is a stock, while VTRIX (Vanguard International Value Fund) is Foreign Large Cap Equities fund managed by Vanguard. Over the past 10 years, IDA returned 9.35%/yr vs 9.48%/yr for VTRIX. At a 0.25 correlation, their price movements are largely independent.

Performance

IDA vs. VTRIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in IDACORP, Inc. (IDA) and Vanguard International Value Fund (VTRIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IDA achieves a 9.37% return, which is significantly lower than VTRIX's 14.92% return. Both investments have delivered pretty close results over the past 10 years, with IDA having a 9.35% annualized return and VTRIX not far ahead at 9.48%.

IDA

• 1D: 0.18%
• 1M: -6.21%
• YTD: 9.37%
• 6M: 8.05%
• 1Y: 20.22%
• 3Y*: 12.52%
• 5Y*: 9.97%
• 10Y*: 9.35%

VTRIX

• 1D: 0.55%
• 1M: 6.52%
• YTD: 14.92%
• 6M: 17.43%
• 1Y: 33.00%
• 3Y*: 16.81%
• 5Y*: 7.98%
• 10Y*: 9.48%

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

IDA vs. VTRIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IDA IDACORP, Inc.	9.37%	19.19%	14.95%	-5.97%	-2.07%	21.45%	-7.47%	17.70%	4.55%	16.45%
VTRIX Vanguard International Value Fund	14.92%	29.87%	0.86%	16.13%	-11.67%	7.93%	8.96%	20.39%	-14.52%	27.98%

Correlation

The correlation between IDA and VTRIX is 0.22, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.22
Correlation (3Y) Calculated over the trailing 3-year period	0.22
Correlation (5Y) Calculated over the trailing 5-year period	0.23
Correlation (10Y) Calculated over the trailing 10-year period	0.22
Correlation (All Time) Calculated using the full available price history since Oct 20, 1986	0.25

Return for Risk

IDA vs. VTRIX — Risk / Return Rank

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

IDA

IDA Risk / Return Rank: 74
IDA Sharpe Ratio Rank: 76
IDA Sortino Ratio Rank: 71
IDA Omega Ratio Rank: 70
IDA Calmar Ratio Rank: 77
IDA Martin Ratio Rank: 77

VTRIX

VTRIX Risk / Return Rank: 57
VTRIX Sharpe Ratio Rank: 64
VTRIX Sortino Ratio Rank: 58
VTRIX Omega Ratio Rank: 57
VTRIX Calmar Ratio Rank: 55
VTRIX Martin Ratio Rank: 52

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.

IDA vs. VTRIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for IDACORP, Inc. (IDA) and Vanguard International Value Fund (VTRIX). 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.

	IDA	VTRIX	Difference
Sharpe ratio: Return per unit of total volatility	1.26	2.35	-1.09
Sortino ratio: Return per unit of downside risk	1.80	3.22	-1.42
Omega ratio: Gain probability vs. loss probability	1.23	1.42	-0.20
Calmar ratio: Return relative to maximum drawdown	2.31	2.85	-0.54
Martin ratio: Return relative to average drawdown	5.62	10.58	-4.96
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IDA vs. VTRIX - Sharpe Ratio Comparison

The current IDA Sharpe Ratio is 1.26, which is lower than the VTRIX Sharpe Ratio of 2.35. The chart below compares the historical Sharpe Ratios of IDA and VTRIX, 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

	IDA	VTRIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.26	2.35	-1.09
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.52	0.51	+0.02
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.43	0.57	-0.14
Sharpe Ratio (All Time) Calculated using the full available price history	0.41	0.36	+0.05

Drawdowns

IDA vs. VTRIX - Drawdown Comparison

The maximum IDA drawdown since its inception was -54.01%, smaller than the maximum VTRIX drawdown of -59.39%. Use the drawdown chart below to compare losses from any high point for IDA and VTRIX.

Drawdown Indicators

	IDA	VTRIX	Difference
Max Drawdown Largest peak-to-trough decline	-54.01%	-59.39%	+5.38%
Max Drawdown (1Y) Largest decline over 1 year	-8.80%	-11.42%	+2.62%
Max Drawdown (3Y) Largest decline over 3 years	-15.94%	-16.78%	+0.84%
Max Drawdown (5Y) Largest decline over 5 years	-21.98%	-28.13%	+6.15%
Max Drawdown (10Y) Largest decline over 10 years	-34.30%	-38.26%	+3.96%
Current Drawdown Current decline from peak	-7.60%	0.00%	-7.60%
Average Drawdown Average peak-to-trough decline	-11.54%	-13.88%	+2.34%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.63%	3.06%	+0.57%

Volatility

IDA vs. VTRIX - Volatility Comparison

IDACORP, Inc. (IDA) has a higher volatility of 5.49% compared to Vanguard International Value Fund (VTRIX) at 4.18%. This indicates that IDA's price experiences larger fluctuations and is considered to be riskier than VTRIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IDA	VTRIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.49%	4.18%	+1.31%
Volatility (6M) Calculated over the trailing 6-month period	13.00%	10.90%	+2.10%
Volatility (1Y) Calculated over the trailing 1-year period	16.14%	13.87%	+2.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.19%	15.84%	+3.35%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.75%	16.56%	+5.19%

Dividends

IDA vs. VTRIX - Dividend Comparison

IDA's dividend yield for the trailing twelve months is around 2.56%, less than VTRIX's 15.75% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IDA IDACORP, Inc.	2.56%	2.73%	3.07%	3.25%	2.82%	2.54%	2.83%	2.40%	2.58%	2.45%	2.58%	2.82%
VTRIX Vanguard International Value Fund	15.75%	18.10%	8.53%	2.78%	2.75%	4.35%	1.58%	2.96%	6.24%	1.86%	2.29%	2.13%

Frequently Asked Questions

Can I hold both IDA and VTRIX in my portfolio?

IDA and VTRIX have a correlation of 0.22, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IDA or VTRIX?

IDA has higher volatility (5.49%) compared to VTRIX (4.18%). In terms of maximum drawdown, IDA dropped -54.01% vs VTRIX's -59.39%.

Which has better risk-adjusted returns?

VTRIX currently has the higher Sharpe Ratio (2.35 vs 1.26), 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.