TBLD vs. FSPTX

Last updated Jun 4, 2026

TBLD (Thornburg Income Builder Opportunities Trust Common Stock) is a stock, while FSPTX (Fidelity Select Technology Portfolio) is Technology Equities fund actively managed by Fidelity. Over the past 3 years, TBLD returned 21.26%/yr vs 42.95%/yr for FSPTX. At a 0.49 correlation, their price movements are largely independent.

Performance

TBLD vs. FSPTX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Thornburg Income Builder Opportunities Trust Common Stock (TBLD) and Fidelity Select Technology Portfolio (FSPTX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TBLD achieves a 11.77% return, which is significantly lower than FSPTX's 47.21% return.

TBLD

• 1D: -0.63%
• 1M: 1.74%
• YTD: 11.77%
• 6M: 14.95%
• 1Y: 25.57%
• 3Y*: 21.26%
• 5Y*: —
• 10Y*: —

FSPTX

• 1D: 2.81%
• 1M: 23.40%
• YTD: 47.21%
• 6M: 44.91%
• 1Y: 83.50%
• 3Y*: 42.95%
• 5Y*: 25.32%
• 10Y*: 27.99%

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

TBLD vs. FSPTX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
TBLD Thornburg Income Builder Opportunities Trust Common Stock	11.77%	31.88%	14.02%	18.01%	-17.47%	-4.15%
FSPTX Fidelity Select Technology Portfolio	47.21%	23.37%	41.76%	59.83%	-36.91%	7.87%

Correlation

The correlation between TBLD and FSPTX is 0.30, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.30
Correlation (3Y) Calculated over the trailing 3-year period	0.40
Correlation (All Time) Calculated using the full available price history since Jul 29, 2021	0.49

The correlation between TBLD and FSPTX shifts across timeframes, from 0.30 (1 year) to 0.49 (all time), reflecting how their relationship changes across market environments.

Return for Risk

TBLD vs. FSPTX — Risk / Return Rank

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

TBLD

TBLD Risk / Return Rank: 85
TBLD Sharpe Ratio Rank: 87
TBLD Sortino Ratio Rank: 83
TBLD Omega Ratio Rank: 85
TBLD Calmar Ratio Rank: 84
TBLD Martin Ratio Rank: 87

FSPTX

FSPTX Risk / Return Rank: 94
FSPTX Sharpe Ratio Rank: 98
FSPTX Sortino Ratio Rank: 93
FSPTX Omega Ratio Rank: 89
FSPTX Calmar Ratio Rank: 96
FSPTX Martin Ratio Rank: 95

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.

TBLD vs. FSPTX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Thornburg Income Builder Opportunities Trust Common Stock (TBLD) and Fidelity Select Technology Portfolio (FSPTX). 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.

	TBLD	FSPTX	Difference
Sharpe ratio: Return per unit of total volatility	1.94	4.04	-2.10
Sortino ratio: Return per unit of downside risk	2.60	4.66	-2.06
Omega ratio: Gain probability vs. loss probability	1.37	1.62	-0.26
Calmar ratio: Return relative to maximum drawdown	3.29	6.36	-3.08
Martin ratio: Return relative to average drawdown	9.68	21.78	-12.09
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TBLD vs. FSPTX - Sharpe Ratio Comparison

The current TBLD Sharpe Ratio is 1.94, which is lower than the FSPTX Sharpe Ratio of 4.04. The chart below compares the historical Sharpe Ratios of TBLD and FSPTX, 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

	TBLD	FSPTX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.94	4.04	-2.10
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.93	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	1.08	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.65	0.57	+0.08

Drawdowns

TBLD vs. FSPTX - Drawdown Comparison

The maximum TBLD drawdown since its inception was -33.65%, smaller than the maximum FSPTX drawdown of -84.37%. Use the drawdown chart below to compare losses from any high point for TBLD and FSPTX.

Drawdown Indicators

	TBLD	FSPTX	Difference
Max Drawdown Largest peak-to-trough decline	-33.65%	-84.37%	+50.72%
Max Drawdown (1Y) Largest decline over 1 year	-7.82%	-13.71%	+5.89%
Max Drawdown (3Y) Largest decline over 3 years	-9.88%	-29.22%	+19.34%
Max Drawdown (5Y) Largest decline over 5 years	—	-42.16%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-42.16%	—
Current Drawdown Current decline from peak	-3.50%	0.00%	-3.50%
Average Drawdown Average peak-to-trough decline	-9.08%	-27.03%	+17.95%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.65%	4.00%	-1.35%

Volatility

TBLD vs. FSPTX - Volatility Comparison

The current volatility for Thornburg Income Builder Opportunities Trust Common Stock (TBLD) is 3.79%, while Fidelity Select Technology Portfolio (FSPTX) has a volatility of 6.24%. This indicates that TBLD experiences smaller price fluctuations and is considered to be less risky than FSPTX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TBLD	FSPTX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.79%	6.24%	-2.45%
Volatility (6M) Calculated over the trailing 6-month period	9.10%	16.66%	-7.56%
Volatility (1Y) Calculated over the trailing 1-year period	13.23%	21.59%	-8.36%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.03%	27.36%	-12.33%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.03%	26.00%	-10.97%

Dividends

TBLD vs. FSPTX - Dividend Comparison

TBLD's dividend yield for the trailing twelve months is around 5.67%, less than FSPTX's 7.37% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSPTX Fidelity Select Technology Portfolio	7.37%	9.06%	9.42%	0.01%	3.95%	11.62%	18.86%	1.86%	23.77%	8.32%	1.54%	4.19%
TBLD Thornburg Income Builder Opportunities Trust Common Stock	5.67%	6.22%	8.32%	8.06%	8.02%	2.79%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both TBLD and FSPTX in my portfolio?

TBLD and FSPTX have a correlation of 0.30, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TBLD or FSPTX?

FSPTX has higher volatility (6.24%) compared to TBLD (3.79%). In terms of maximum drawdown, TBLD dropped -33.65% vs FSPTX's -84.37%.

Which has better risk-adjusted returns?

FSPTX currently has the higher Sharpe Ratio (4.04 vs 1.94), 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.