IDYN vs NTSI
iShares International Equity Factor Rotation Active ETF vs WisdomTree International Efficient Core Fund
Which is better, IDYN or NTSI?
IDYN has been ahead.
NTSI has a lower expense ratio. IDYN led over 1Y and the full window. The two have moved almost in lockstep, correlation 0.94. IDYN is less concentrated, with 20.9% of the fund in its ten largest positions against 21.5%.
MarketXLS is not an investment adviser. This comparison is generated automatically from market data and is for information only. A Best mark means the better reading on that one measure, not a recommendation to buy.
Side-by-Side Comparison
| Metric | IDYN | NTSI |
|---|---|---|
| Expense Ratio | 0.45% | 0.26%Best |
| AUM | $114M | $476M |
| Dividend Yield | 1.83% | 3.14% |
| Holdings | 218 | 466 |
| YTD Return | +6.01%Best | +4.28% |
| 1Y Return | +12.58%Best | +9.28% |
| 3Y Return (annualized) | - | +16.10% |
| 5Y Return (annualized) | - | +5.34% |
| Volatility (annualized) | 13.8% | 12.7%Best |
| Max Drawdown | -12.7% | -12.3%Best |
| $10,000 over 1.2 years | $11,889Best | $11,489 |
| Top 10 Weight | 20.9%Best | 21.5% |
| Fund Family | iShares by BlackRock (US) | WisdomTree Investments |
| Category | Equity | Equity |
| Style | Large Cap Blend | Large Cap Blend |
| Inception | Aug 5, 2025 | May 20, 2021 |
Volatility and max drawdown, and the $10,000 over 1.2 years row, are measured over the window both funds cover: Aug 7, 2025 to Oct 14, 2026 (1.2 years).
IDYN vs NTSI growth
Month-end closes. Both lines start at 0% in the first month shown, so the gap between them is the difference in growth across that window. The full view covers the 1.2 years both funds cover.
IDYN vs NTSI Performance
iShares International Equity Factor Rotation Active ETF (IDYN) is an ETF from iShares by BlackRock (US) and WisdomTree International Efficient Core Fund (NTSI) is an ETF from WisdomTree Investments. Over the past year IDYN returned +12.58% while NTSI returned +9.28%. Year to date, IDYN is up 6.01% versus a gain of 4.28% for NTSI.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
IDYN has been the more volatile fund, with annualized monthly volatility of 13.8% compared with 12.7% for NTSI. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The deepest peak-to-trough decline in our data was -12.7% for IDYN and -12.3% for NTSI. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.94. They move almost in lockstep, so holding both mostly duplicates the same exposure.
Fees and Cost Over Time
IDYN charges 0.45% per year while NTSI charges 0.26%. On a $10,000 position that is $45 vs $26 annually, a gap of $19 per year that compounds over a long holding period. On income, IDYN currently yields 1.83% against 3.14% for NTSI.
Holdings Overlap
65.3% of IDYN's money is in holdings NTSI also owns. 37.6% of NTSI's money is in holdings IDYN also owns.
The two portfolios partly overlap.
100 positions in common, counted across the 203 positions we hold weights for in IDYN and 443 in NTSI, against full books of 218 and 466.
What only one of them owns
Our book lists 10 positions for NTSI that do not appear in our book for IDYN (11.6% of the fund), and 7 for IDYN that do not appear in NTSI (3.7%).
Some of those will be the same company recorded under a different code in one of the two books, so the real difference in what you would own is no larger than this and may be smaller. We do not name the individual positions here for that reason.
Top Shared Holdings
| Stock | Weight in IDYN | Weight in NTSI | Difference |
|---|---|---|---|
| ASML:ASASML HOLDING NV | 4.17% | 3.48% | 0.69% |
| NOVN:SMNovartis Ag – Class N | 2.62% | 1.33% | 1.29% |
| AZN:LNAstraZeneca PLC | 2.15% | 0.92% | 1.23% |
| 8306:TKMitsubishi Ufj Financial Group Inc | 1.65% | 1.42% | 0.23% |
| IBE:MAIberdrola S.A. | 1.91% | 0.63% | 1.28% |
| HSBA:LNHsbc Holdings Plc | 0.72% | 1.72% | 1.00% |
| ABBN:SMAbb Ltd.[Abbn] | 1.39% | 0.81% | 0.58% |
| BBVA:MABanco Bilbao Vizcaya Argentaria S.A. Reg Shs | 1.26% | 0.76% | 0.50% |
| ENEL:MIEnel | 1.66% | 0.35% | 1.31% |
| 8316:JPSumitomo Mitsui Financial Group Inc. Shs | 1.13% | 0.88% | 0.25% |
65.3% of IDYN is already inside NTSI.
You probably hold more than these two. Add the rest and see how much of the whole book is the same companies twice.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, IDYN or NTSI?
IDYN has an expense ratio of 0.45% while NTSI charges 0.26%. NTSI is the cheaper option, by $19 a year on a $10,000 investment.
Which performed better, IDYN or NTSI?
Over the past year IDYN returned +12.58% vs +9.28% for NTSI, so IDYN leads on 1-year performance. Over the longest common window we track (1 years), IDYN annualized +15.51% vs +12.26% for NTSI. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, IDYN or NTSI?
IDYN has been the more volatile fund at 13.8% annualized versus 12.7% for NTSI. Worst drawdown: IDYN -12.7% vs NTSI -12.3%.
Should I hold both IDYN and NTSI?
IDYN and NTSI have a monthly-return correlation of 0.94, so they move almost identically. What is left to separate them is the fee and the index each one tracks. This is information, not a recommendation.
What is the holdings overlap between IDYN and NTSI?
65.3% of IDYN's money is in holdings NTSI also owns. 37.6% of NTSI's is in holdings IDYN also owns. They hold 100 positions in common, counted across the 203 positions we hold weights for in IDYN and 443 in NTSI.
Which pays a higher dividend, IDYN or NTSI?
IDYN yields 1.83% while NTSI yields 3.14%, so NTSI currently pays the higher dividend yield.
Is NTSI better than IDYN?
NTSI has a lower expense ratio. IDYN led over 1Y and the full window. The two have moved almost in lockstep, correlation 0.94. IDYN is less concentrated, with 20.9% of the fund in its ten largest positions against 21.5%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.