TDC vs. WDC

Last updated Apr 1, 2026

Compare and contrast key facts about Teradata Corporation (TDC) and Western Digital Corporation (WDC).

Performance

TDC vs. WDC - Performance Comparison

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

TDC vs. WDC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TDC Teradata Corporation	-15.80%	-2.28%	-28.41%	29.26%	-20.74%	89.01%	-16.06%	-30.21%	-0.26%	41.55%
WDC Western Digital Corporation	57.09%	283.68%	13.86%	65.99%	-51.62%	17.73%	-10.89%	77.14%	-51.90%	19.83%

Fundamentals

Market Cap TDC : $2.47B WDC : $101.70B
EPS TDC : $1.35 WDC : $10.25
PE Ratio TDC : 18.92 WDC : 26.40
PEG Ratio TDC : 0.61 WDC : 0.61
PS Ratio TDC : 1.48 WDC : 9.36
PB Ratio TDC : 10.74 WDC : 14.30
Total Revenue (TTM) TDC : $1.66B WDC : $10.73B
Gross Profit (TTM) TDC : $989.00M WDC : $4.59B
EBITDA (TTM) TDC : $266.00M WDC : $4.32B

Returns By Period

In the year-to-date period, TDC achieves a -15.80% return, which is significantly lower than WDC's 57.09% return. Over the past 10 years, TDC has underperformed WDC with an annualized return of -0.01%, while WDC has yielded a comparatively higher 24.36% annualized return.

TDC

• 1D: 3.56%
• 1M: -18.61%
• YTD: -15.80%
• 6M: 19.15%
• 1Y: 14.01%
• 3Y*: -13.99%
• 5Y*: -8.02%
• 10Y*: -0.01%

WDC

• 1D: 7.48%
• 1M: -3.25%
• YTD: 57.09%
• 6M: 125.58%
• 1Y: 571.92%
• 3Y*: 112.09%
• 5Y*: 38.17%
• 10Y*: 24.36%

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

Return for Risk

TDC vs. WDC — Risk / Return Rank

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

TDC

TDC Risk / Return Rank: 52
TDC Sharpe Ratio Rank: 50
TDC Sortino Ratio Rank: 56
TDC Omega Ratio Rank: 53
TDC Calmar Ratio Rank: 50
TDC Martin Ratio Rank: 52

WDC

WDC Risk / Return Rank: 99
WDC Sharpe Ratio Rank: 100
WDC Sortino Ratio Rank: 99
WDC Omega Ratio Rank: 98
WDC Calmar Ratio Rank: 100
WDC Martin Ratio Rank: 100

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. WDC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Teradata Corporation (TDC) and Western Digital Corporation (WDC). 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	WDC	Difference
Sharpe ratio Return per unit of total volatility	0.24	8.71	-8.47
Sortino ratio Return per unit of downside risk	0.97	5.34	-4.37
Omega ratio Gain probability vs. loss probability	1.12	1.79	-0.67
Calmar ratio Return relative to maximum drawdown	0.33	21.14	-20.81
Martin ratio Return relative to average drawdown	0.98	82.57	-81.59
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. WDC - Sharpe Ratio Comparison

The current TDC Sharpe Ratio is 0.24, which is lower than the WDC Sharpe Ratio of 8.71. The chart below compares the historical Sharpe Ratios of TDC and WDC, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	TDC	WDC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.24	8.71	-8.47
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.17	0.80	-0.97
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.00	0.51	-0.51
Sharpe Ratio (All Time) Calculated using the full available price history	-0.00	0.17	-0.17

Correlation

The correlation between TDC and WDC is 0.41, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

TDC vs. WDC - Dividend Comparison

TDC has not paid dividends to shareholders, while WDC's dividend yield for the trailing twelve months is around 0.17%.

	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%
WDC Western Digital Corporation	0.17%	0.19%	0.00%	0.00%	0.00%	0.00%	1.81%	2.36%	5.41%	2.51%	2.94%	3.33%

Drawdowns

TDC vs. WDC - Drawdown Comparison

The maximum TDC drawdown since its inception was -75.50%, smaller than the maximum WDC drawdown of -96.20%. Use the drawdown chart below to compare losses from any high point for TDC and WDC.

Drawdown Indicators

	TDC	WDC	Difference
Max Drawdown Largest peak-to-trough decline	-75.50%	-96.20%	+20.70%
Max Drawdown (1Y) Largest decline over 1 year	-34.66%	-26.90%	-7.76%
Max Drawdown (5Y) Largest decline over 5 years	-67.40%	-60.85%	-6.55%
Max Drawdown (10Y) Largest decline over 10 years	-67.40%	-70.49%	+3.09%
Current Drawdown Current decline from peak	-65.40%	-14.65%	-50.75%
Average Drawdown Average peak-to-trough decline	-40.68%	-52.32%	+11.64%
Ulcer Index Depth and duration of drawdowns from previous peaks	11.78%	6.89%	+4.89%

Volatility

TDC vs. WDC - Volatility Comparison

The current volatility for Teradata Corporation (TDC) is 10.13%, while Western Digital Corporation (WDC) has a volatility of 24.59%. This indicates that TDC experiences smaller price fluctuations and is considered to be less risky than WDC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TDC	WDC	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.13%	24.59%	-14.46%
Volatility (6M) Calculated over the trailing 6-month period	49.26%	54.62%	-5.36%
Volatility (1Y) Calculated over the trailing 1-year period	59.77%	66.28%	-6.51%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	47.39%	47.80%	-0.41%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	45.14%	48.19%	-3.05%

Financials

TDC vs. WDC - Profitability Comparison

The chart below illustrates the profitability comparison between Teradata Corporation and Western Digital Corporation over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

TDC - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Teradata Corporation reported a gross profit of 256.00M and revenue of 421.00M. Therefore, the gross margin over that period was 60.8%.

WDC - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Western Digital Corporation reported a gross profit of 1.38B and revenue of 3.02B. Therefore, the gross margin over that period was 45.7%.

TDC - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Teradata Corporation reported an operating income of 52.00M and revenue of 421.00M, resulting in an operating margin of 12.4%.

WDC - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Western Digital Corporation reported an operating income of 963.00M and revenue of 3.02B, resulting in an operating margin of 31.9%.

TDC - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Teradata Corporation reported a net income of 37.00M and revenue of 421.00M, resulting in a net margin of 8.8%.

WDC - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Western Digital Corporation reported a net income of 1.84B and revenue of 3.02B, resulting in a net margin of 61.1%.