TFIF.L vs. VWTAX

Last updated Jun 4, 2026

TFIF.L (TwentyFour Income Fund Limited) and VWTAX (Tomorrow's Scholar College Savings Plan - ING GNMA Income Fund) are both Mortgage Backed Securities funds. Over the past 3 years, TFIF.L returned 2.66%/yr vs 0.61%/yr for VWTAX. At a 0.01 correlation, their price movements are largely independent.

Performance

TFIF.L vs. VWTAX - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in TwentyFour Income Fund Limited (TFIF.L) and Tomorrow's Scholar College Savings Plan - ING GNMA Income Fund (VWTAX). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

TFIF.L is traded in GBP, while VWTAX is traded in USD. To make them comparable, the VWTAX values have been converted to GBP using the latest available exchange rates.

Returns By Period

In the year-to-date period, TFIF.L achieves a -3.47% return, which is significantly lower than VWTAX's 0.57% return.

TFIF.L

• 1D: -0.18%
• 1M: 2.63%
• YTD: -3.47%
• 6M: -3.47%
• 1Y: -0.81%
• 3Y*: 2.66%
• 5Y*: 0.39%
• 10Y*: 0.11%

VWTAX

• 1D: -0.06%
• 1M: 0.82%
• YTD: 0.57%
• 6M: -0.51%
• 1Y: 5.50%
• 3Y*: 0.61%
• 5Y*: —
• 10Y*: —

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

TFIF.L vs. VWTAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
TFIF.L TwentyFour Income Fund Limited	-3.47%	5.10%	2.76%	6.58%	-9.31%
VWTAX Tomorrow's Scholar College Savings Plan - ING GNMA Income Fund	0.57%	-1.16%	2.46%	-1.26%	-1.92%

Correlation

The correlation between TFIF.L and VWTAX is 0.04, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.04
Correlation (3Y) Calculated over the trailing 3-year period	0.03
Correlation (All Time) Calculated using the full available price history since Mar 9, 2022	0.01

Return for Risk

TFIF.L vs. VWTAX — Risk / Return Rank

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

TFIF.L

TFIF.L Risk / Return Rank: 2
TFIF.L Sharpe Ratio Rank: 2
TFIF.L Sortino Ratio Rank: 2
TFIF.L Omega Ratio Rank: 2
TFIF.L Calmar Ratio Rank: 2
TFIF.L Martin Ratio Rank: 2

VWTAX

VWTAX Risk / Return Rank: 29
VWTAX Sharpe Ratio Rank: 25
VWTAX Sortino Ratio Rank: 27
VWTAX Omega Ratio Rank: 25
VWTAX Calmar Ratio Rank: 33
VWTAX Martin Ratio Rank: 32

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.

TFIF.L vs. VWTAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for TwentyFour Income Fund Limited (TFIF.L) and Tomorrow's Scholar College Savings Plan - ING GNMA Income Fund (VWTAX). 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.

	TFIF.L	VWTAX	Difference
Sharpe ratio: Return per unit of total volatility	-0.07	0.92	-1.00
Sortino ratio: Return per unit of downside risk	-0.02	1.40	-1.42
Omega ratio: Gain probability vs. loss probability	1.00	1.17	-0.17
Calmar ratio: Return relative to maximum drawdown	-0.09	1.19	-1.29
Martin ratio: Return relative to average drawdown	-0.27	3.24	-3.51
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TFIF.L vs. VWTAX - Sharpe Ratio Comparison

The current TFIF.L Sharpe Ratio is -0.07, which is lower than the VWTAX Sharpe Ratio of 0.92. The chart below compares the historical Sharpe Ratios of TFIF.L and VWTAX, 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

	TFIF.L	VWTAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.07	0.92	-1.00
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.03	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.01	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.04	-0.04	+0.08

Drawdowns

TFIF.L vs. VWTAX - Drawdown Comparison

The maximum TFIF.L drawdown since its inception was -37.49%, which is greater than VWTAX's maximum drawdown of -15.63%. Use the drawdown chart below to compare losses from any high point for TFIF.L and VWTAX.

Drawdown Indicators

	TFIF.L	VWTAX	Difference
Max Drawdown Largest peak-to-trough decline	-37.49%	-15.63%	-21.86%
Max Drawdown (1Y) Largest decline over 1 year	-8.87%	-5.19%	-3.68%
Max Drawdown (3Y) Largest decline over 3 years	-8.87%	-8.77%	-0.10%
Max Drawdown (5Y) Largest decline over 5 years	-19.27%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-35.12%	—	—
Current Drawdown Current decline from peak	-15.13%	-9.50%	-5.63%
Average Drawdown Average peak-to-trough decline	-12.76%	-9.54%	-3.22%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.05%	2.01%	+1.04%

Volatility

TFIF.L vs. VWTAX - Volatility Comparison

TwentyFour Income Fund Limited (TFIF.L) has a higher volatility of 2.13% compared to Tomorrow's Scholar College Savings Plan - ING GNMA Income Fund (VWTAX) at 1.57%. This indicates that TFIF.L's price experiences larger fluctuations and is considered to be riskier than VWTAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TFIF.L	VWTAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.13%	1.57%	+0.56%
Volatility (6M) Calculated over the trailing 6-month period	10.11%	5.36%	+4.75%
Volatility (1Y) Calculated over the trailing 1-year period	10.95%	6.77%	+4.18%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.94%	8.98%	+2.96%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.22%	8.98%	+4.24%

Dividends

TFIF.L vs. VWTAX - Dividend Comparison

TFIF.L's dividend yield for the trailing twelve months is around 0.10%, while VWTAX has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
TFIF.L TwentyFour Income Fund Limited	0.10%	0.10%	0.09%	0.10%	0.07%	0.06%	0.06%	0.06%	0.06%	0.06%	0.06%	0.06%
VWTAX Tomorrow's Scholar College Savings Plan - ING GNMA Income Fund	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both TFIF.L and VWTAX in my portfolio?

TFIF.L and VWTAX have a correlation of 0.04, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.