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TCAI vs. XLK
Performance
Return for Risk
Drawdowns
Volatility
Dividends

TCAI vs. XLK

Last updated Aug 2, 2026
Documentation

TCAI (Tortoise AI Infrastructure ETF) and XLK (State Street Technology Select Sector SPDR ETF) are both exchange-traded funds - TCAI is a Artificial Intelligence fund actively managed by Tortoise, while XLK is a Technology Equities fund tracking the S&P Technology Select Sector Daily Capped 35/20 Index. TCAI is actively managed, while XLK is passively managed. Their correlation of 0.82 means they have usually moved in the same direction. TCAI charges 0.65%/yr vs 0.08%/yr for XLK.

Performance

TCAI vs. XLK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Tortoise AI Infrastructure ETF (TCAI) and State Street Technology Select Sector SPDR ETF (XLK). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, TCAI achieves a 55.27% return, which is significantly higher than XLK's 22.09% return.

TCAI

1D
-0.41%
1M
-7.41%
6M
37.28%
YTD
55.27%
1Y
—
3Y*
—
5Y*
—
10Y*
—
ALL TIME*
—

XLK

1D
-0.22%
1M
-2.90%
6M
22.17%
YTD
22.09%
1Y
37.14%
3Y*
26.04%
5Y*
18.87%
10Y*
23.77%
ALL TIME*
10.21%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

PositionAvg. Volume Value (2W)Avg. Volume Value (1M)Avg. Volume Value (3M)

TCAI

Tortoise AI Infrastructure ETF
$4.79M$5.54M$6.96M

XLK

State Street Technology Select Sector SPDR ETF
$1.61B$1.67B$2.22B

TCAI vs. XLK - Yearly Performance Comparison

2026 (YTD)2025
TCAI
Tortoise AI Infrastructure ETF		55.27%17.27%
XLK
State Street Technology Select Sector SPDR ETF		22.09%10.09%

Correlation

The correlation between TCAI and XLK is 0.82, meaning they have usually moved in the same direction, including during past declines.

Correlation
Correlation (All Time)
Calculated using the full available price history since Aug 5, 2025

0.82

TCAI vs. XLK - Sectors Allocation Comparison

Sectors
TCAI
XLK

Technology

44.4%
99.1%

Industrials

30.5%
0.1%

Utilities

9.8%

-

Financial Services

7.2%

-

Energy

3.9%
0.2%

Communication Services

2.2%
0.9%

Consumer Cyclical

2.1%

-

Real Estate

0.6%

-

Basic Materials

-

-

Consumer Defensive

-

-

Healthcare

-

-

Technology

TCAI
44.4%
XLK
99.1%

Industrials

TCAI
30.5%
XLK
0.1%

Utilities

TCAI
9.8%
XLK

-

Financial Services

TCAI
7.2%
XLK

-

Energy

TCAI
3.9%
XLK
0.2%

Communication Services

TCAI
2.2%
XLK
0.9%

Consumer Cyclical

TCAI
2.1%
XLK

-

Real Estate

TCAI
0.6%
XLK

-

Basic Materials

TCAI

-

XLK

-

Consumer Defensive

TCAI

-

XLK

-

Healthcare

TCAI

-

XLK

-

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

Tortoise AI Infrastructure ETF

State Street Technology Select Sector SPDR ETF

Often compared with TCAI:
TCAI vs. AIPOTCAI vs. DTCRTCAI vs. AISTCAI vs. ARTYTCAI vs. AIFDTCAI vs. CHATTCAI vs. BAI
Often compared with XLK:
XLK vs. QQQXLK vs. VGTXLK vs. SMHXLK vs. SPYXLK vs. FTECXLK vs. XLEXLK vs. IYW

Return for Risk

TCAI vs. XLK — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.
TCAI

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

XLK
XLK Risk / Return Rank: 5555
Overall Rank
XLK Sharpe Ratio Rank: 5757
Sharpe Ratio Rank
XLK Sortino Ratio Rank: 5353
Sortino Ratio Rank
XLK Omega Ratio Rank: 5252
Omega Ratio Rank
XLK Calmar Ratio Rank: 6262
Calmar Ratio Rank
XLK Martin Ratio Rank: 5050
Martin Ratio Rank
The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

TCAI vs. XLK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Tortoise AI Infrastructure ETF (TCAI) and State Street Technology Select Sector SPDR ETF (XLK). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

TCAIXLKDifference
Sharpe ratioReturn per unit of total volatility

—

1.34

—

Sortino ratioReturn per unit of downside risk

—

1.85

—

Omega ratioGain probability vs. loss probability

—

1.23

—

Calmar ratioReturn relative to maximum drawdown

—

2.16

—

Martin ratioReturn relative to average drawdown

—

5.85

—

TCAI vs. XLK - Sharpe Ratio Comparison

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Drawdowns

TCAI vs. XLK - Drawdown Comparison

The maximum TCAI drawdown since its inception was -28.82%, smaller than the maximum XLK drawdown of -82.05%. Use the drawdown chart below to compare losses from any high point for TCAI and XLK.

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Drawdown Indicators

TCAIXLKDifference

Max Drawdown

Largest peak-to-trough decline

-28.82%

-82.05%

+53.23%

Max Drawdown (1Y)

Largest decline over 1 year

—

-15.92%

—

Max Drawdown (3Y)

Largest decline over 3 years

—

-25.66%

—

Max Drawdown (5Y)

Largest decline over 5 years

—

-33.56%

—

Max Drawdown (10Y)

Largest decline over 10 years

—

-33.56%

—

Current Drawdown

Current decline from peak

-20.91%

-11.43%

-9.48%

Average Drawdown

Average peak-to-trough decline

-4.71%

-34.80%

+30.09%

Ulcer Index

Depth and duration of drawdowns from previous peaks

—

5.86%

—

Volatility

TCAI vs. XLK - Volatility Comparison

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Volatility by Period

TCAIXLKDifference

Volatility (1M)

Calculated over the trailing 1-month period

—

9.58%

—

Volatility (6M)

Calculated over the trailing 6-month period

—

21.81%

—

Volatility (1Y)

Calculated over the trailing 1-year period

41.71%

25.59%

+16.12%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

41.71%

25.75%

+15.96%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

41.71%

24.90%

+16.81%

TCAI vs. XLK - Expense Ratio Comparison

TCAI has a 0.65% expense ratio, which is higher than XLK's 0.08% expense ratio.

Dividends

TCAI vs. XLK - Dividend Comparison

TCAI's dividend yield for the trailing twelve months is around 0.03%, less than XLK's 0.45% yield.

PositionTTM20252024202320222021202020192018201720162015
TCAI
Tortoise AI Infrastructure ETF		0.03%0.05%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%
XLK
State Street Technology Select Sector SPDR ETF		0.45%0.54%0.66%0.76%1.04%0.65%0.92%1.16%1.60%1.37%1.74%1.79%

Frequently Asked Questions

TCAI and XLK have a correlation of 0.82, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

On fees, XLK is cheaper at 0.08% per year. The better choice depends on whether you care most about return, fees, risk, or income.

XLK is cheaper with a 0.08% expense ratio, compared with 0.65% for TCAI.

XLK has the higher dividend yield at 0.45%, compared with 0.03% for TCAI.

TCAI is categorized as Artificial Intelligence, while XLK is Technology Equities. They also come from different issuers: Tortoise and State Street. Their fees differ too: 0.65% for TCAI and 0.08% for XLK.

Portfolio Optimizer

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