AMYY vs. TDTT

Last updated Jun 4, 2026

AMYY (GraniteShares YieldBOOST AMD ETF) and TDTT (FlexShares iBoxx 3-Year Target Duration TIPS Index Fund) are both exchange-traded funds - AMYY is a Derivative Income fund actively managed by GraniteShares, while TDTT is a Inflation-Protected Bonds fund tracking the iBoxx 3-Year Target Duration TIPS. AMYY is actively managed, while TDTT is passively managed. At a correlation of -0.10, they often move in opposite directions. AMYY charges 1.07%/yr vs 0.18%/yr for TDTT.

Performance

AMYY vs. TDTT - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in GraniteShares YieldBOOST AMD ETF (AMYY) and FlexShares iBoxx 3-Year Target Duration TIPS Index Fund (TDTT). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AMYY achieves a 7.93% return, which is significantly higher than TDTT's 1.81% return.

AMYY

• 1D: 0.54%
• 1M: 9.36%
• YTD: 7.93%
• 6M: 13.89%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

TDTT

• 1D: 0.00%
• 1M: -0.06%
• YTD: 1.81%
• 6M: 1.77%
• 1Y: 4.65%
• 3Y*: 5.00%
• 5Y*: 2.85%
• 10Y*: 3.11%

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

AMYY vs. TDTT - Yearly Performance Comparison

	2026 (YTD)	2025
AMYY GraniteShares YieldBOOST AMD ETF	7.93%	20.39%
TDTT FlexShares iBoxx 3-Year Target Duration TIPS Index Fund	1.81%	-0.04%

Correlation

The correlation between AMYY and TDTT is -0.10, 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 (All Time) Calculated using the full available price history since Sep 17, 2025	-0.10

Return for Risk

AMYY vs. TDTT — Risk / Return Rank

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

TDTT

TDTT Risk / Return Rank: 84
TDTT Sharpe Ratio Rank: 78
TDTT Sortino Ratio Rank: 90
TDTT Omega Ratio Rank: 84
TDTT Calmar Ratio Rank: 88
TDTT Martin Ratio Rank: 82

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.

AMYY vs. TDTT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for GraniteShares YieldBOOST AMD ETF (AMYY) and FlexShares iBoxx 3-Year Target Duration TIPS Index Fund (TDTT). 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.

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

Sharpe Ratios by Period

	AMYY	TDTT	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.54	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.78	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.92	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.74	0.69	+1.04

Drawdowns

AMYY vs. TDTT - Drawdown Comparison

The maximum AMYY drawdown since its inception was -16.91%, which is greater than TDTT's maximum drawdown of -6.97%. Use the drawdown chart below to compare losses from any high point for AMYY and TDTT.

Drawdown Indicators

	AMYY	TDTT	Difference
Max Drawdown Largest peak-to-trough decline	-16.91%	-6.97%	-9.94%
Max Drawdown (1Y) Largest decline over 1 year	—	-0.90%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-1.53%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-6.97%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-6.97%	—
Current Drawdown Current decline from peak	0.00%	-0.14%	+0.14%
Average Drawdown Average peak-to-trough decline	-5.51%	-1.60%	-3.91%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.28%	—

Volatility

Volatility by Period

	AMYY	TDTT	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.46%	—
Volatility (6M) Calculated over the trailing 6-month period	—	1.21%	—
Volatility (1Y) Calculated over the trailing 1-year period	25.74%	1.85%	+23.89%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.74%	3.67%	+22.07%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.74%	3.38%	+22.36%

AMYY vs. TDTT - Expense Ratio Comparison

AMYY has a 1.07% expense ratio, which is higher than TDTT's 0.18% expense ratio.

Dividends

AMYY vs. TDTT - Dividend Comparison

AMYY's dividend yield for the trailing twelve months is around 81.55%, more than TDTT's 4.54% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
AMYY GraniteShares YieldBOOST AMD ETF	81.55%	30.28%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
TDTT FlexShares iBoxx 3-Year Target Duration TIPS Index Fund	4.54%	4.52%	4.01%	3.88%	6.97%	4.53%	1.15%	1.91%	2.48%	1.88%	1.01%

Frequently Asked Questions

Can I hold both AMYY and TDTT in my portfolio?

AMYY and TDTT have a correlation of -0.10, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, AMYY or TDTT?

On fees, TDTT is cheaper at 0.18% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, AMYY or TDTT?

TDTT is cheaper with a 0.18% expense ratio, compared with 1.07% for AMYY.

Which ETF pays a higher dividend yield, AMYY or TDTT?

AMYY has the higher dividend yield at 81.55%, compared with 4.54% for TDTT.

What is the main difference between AMYY and TDTT?

AMYY is categorized as Derivative Income, while TDTT is Inflation-Protected Bonds. They also come from different issuers: GraniteShares and Northern Trust. Their fees differ too: 1.07% for AMYY and 0.18% for TDTT.