TDC vs. VGT

Last updated Jun 4, 2026

TDC (Teradata Corporation) is a stock, while VGT (Vanguard Information Technology ETF) is Technology Equities fund tracking the MSCI USA IMI Information Technology 25/50 Index. Over the past 10 years, TDC returned 2.14%/yr vs 25.78%/yr for VGT. A 0.56 correlation means they provide meaningful diversification when combined.

Performance

TDC vs. VGT - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Teradata Corporation (TDC) and Vanguard Information Technology ETF (VGT). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TDC achieves a 14.88% return, which is significantly lower than VGT's 31.64% return. Over the past 10 years, TDC has underperformed VGT with an annualized return of 2.14%, while VGT has yielded a comparatively higher 25.78% annualized return.

TDC

• 1D: -4.22%
• 1M: 19.27%
• YTD: 14.88%
• 6M: 15.41%
• 1Y: 57.03%
• 3Y*: -10.43%
• 5Y*: -6.42%
• 10Y*: 2.14%

VGT

• 1D: -1.48%
• 1M: 18.07%
• YTD: 31.64%
• 6M: 30.51%
• 1Y: 60.15%
• 3Y*: 33.48%
• 5Y*: 22.23%
• 10Y*: 25.78%

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

TDC vs. VGT - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TDC Teradata Corporation	14.88%	-2.28%	-28.41%	29.26%	-20.74%	89.01%	-16.06%	-30.21%	-0.26%	41.55%
VGT Vanguard Information Technology ETF	31.64%	21.77%	29.30%	52.66%	-29.70%	30.45%	46.04%	48.62%	2.46%	37.08%

Correlation

The correlation between TDC and VGT is 0.48, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.48
Correlation (3Y) Calculated over the trailing 3-year period	0.51
Correlation (5Y) Calculated over the trailing 5-year period	0.58
Correlation (10Y) Calculated over the trailing 10-year period	0.54
Correlation (All Time) Calculated using the full available price history since Oct 2, 2007	0.56

The correlation between TDC and VGT has been stable across timeframes, ranging from 0.48 to 0.58 - a consistent structural relationship.

Return for Risk

TDC vs. VGT — Risk / Return Rank

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

TDC

TDC Risk / Return Rank: 72
TDC Sharpe Ratio Rank: 70
TDC Sortino Ratio Rank: 77
TDC Omega Ratio Rank: 74
TDC Calmar Ratio Rank: 70
TDC Martin Ratio Rank: 70

VGT

VGT Risk / Return Rank: 76
VGT Sharpe Ratio Rank: 87
VGT Sortino Ratio Rank: 79
VGT Omega Ratio Rank: 78
VGT Calmar Ratio Rank: 72
VGT Martin Ratio Rank: 64

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.

TDC vs. VGT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Teradata Corporation (TDC) and Vanguard Information Technology ETF (VGT). 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.

	TDC	VGT	Difference
Sharpe ratio: Return per unit of total volatility	0.95	2.95	-1.99
Sortino ratio: Return per unit of downside risk	2.11	3.63	-1.52
Omega ratio: Gain probability vs. loss probability	1.26	1.47	-0.22
Calmar ratio: Return relative to maximum drawdown	1.63	3.69	-2.06
Martin ratio: Return relative to average drawdown	3.87	11.77	-7.90
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TDC vs. VGT - Sharpe Ratio Comparison

The current TDC Sharpe Ratio is 0.95, which is lower than the VGT Sharpe Ratio of 2.95. The chart below compares the historical Sharpe Ratios of TDC and VGT, 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

	TDC	VGT	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.95	2.95	-1.99
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.14	0.89	-1.03
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.05	1.05	-1.00
Sharpe Ratio (All Time) Calculated using the full available price history	0.04	0.68	-0.64

Drawdowns

TDC vs. VGT - Drawdown Comparison

The maximum TDC drawdown since its inception was -75.50%, which is greater than VGT's maximum drawdown of -54.63%. Use the drawdown chart below to compare losses from any high point for TDC and VGT.

Drawdown Indicators

	TDC	VGT	Difference
Max Drawdown Largest peak-to-trough decline	-75.50%	-54.63%	-20.87%
Max Drawdown (1Y) Largest decline over 1 year	-35.16%	-16.40%	-18.76%
Max Drawdown (3Y) Largest decline over 3 years	-66.56%	-27.23%	-39.33%
Max Drawdown (5Y) Largest decline over 5 years	-67.40%	-35.07%	-32.33%
Max Drawdown (10Y) Largest decline over 10 years	-67.40%	-35.07%	-32.33%
Current Drawdown Current decline from peak	-52.79%	-1.48%	-51.31%
Average Drawdown Average peak-to-trough decline	-40.86%	-7.95%	-32.91%
Ulcer Index Depth and duration of drawdowns from previous peaks	14.78%	5.13%	+9.65%

Volatility

TDC vs. VGT - Volatility Comparison

Teradata Corporation (TDC) has a higher volatility of 15.50% compared to Vanguard Information Technology ETF (VGT) at 6.39%. This indicates that TDC's price experiences larger fluctuations and is considered to be riskier than VGT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TDC	VGT	Difference
Volatility (1M) Calculated over the trailing 1-month period	15.50%	6.39%	+9.11%
Volatility (6M) Calculated over the trailing 6-month period	42.35%	16.07%	+26.28%
Volatility (1Y) Calculated over the trailing 1-year period	60.22%	20.57%	+39.65%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	45.73%	25.18%	+20.55%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	45.37%	24.60%	+20.77%

Dividends

TDC vs. VGT - Dividend Comparison

TDC has not paid dividends to shareholders, while VGT's dividend yield for the trailing twelve months is around 0.31%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
TDC Teradata Corporation	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VGT Vanguard Information Technology ETF	0.31%	0.40%	0.60%	0.65%	0.91%	0.64%	0.82%	1.11%	1.29%	0.99%	1.31%	1.28%

Frequently Asked Questions

Can I hold both TDC and VGT in my portfolio?

TDC and VGT have a correlation of 0.48, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TDC or VGT?

TDC has higher volatility (15.50%) compared to VGT (6.39%). In terms of maximum drawdown, TDC dropped -75.50% vs VGT's -54.63%.

Which has better risk-adjusted returns?

VGT currently has the higher Sharpe Ratio (2.95 vs 0.95), 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.