Data as of Oct 28, 2026.
DYNF vs MDY: Differences, Returns & Fees
Over the year to Oct 28, 2026, DYNF returned +14.5% to MDY's +12.8%; 1% of their weight is in the same names.
askIQ about this page
askIQ about DYNF and MDY
Net assets on Oct 27, 2026: $42.7bn for iShares U.S. Equity Factor Rotation Active ETF and $25.9bn for SPDR S&P MidCap 400 ETF Trust.
Pair scorecard
MDY costs 0.03 points a year less; their one-year returns differ by 1.7 points; DYNF is 1.6 times larger.
| Measure | DYNF | MDY |
|---|---|---|
| Return | ||
| Total return, 1 year | +14.5% | +12.8% |
| Drawdown | ||
| Below its high | 6.5%, high on Aug 14, 2026 | |
| Benchmark | ||
| What it tracks | No index, actively managed | S&P MidCap 400 Index |
| Cost and size | ||
| Expense ratio | 0.26% | 0.23% |
| Net assets, as of Oct 27, 2026 | $42.7bn | $25.9bn |
| Holdings | ||
| Holdings in common | 1% | |
| Top ten holdings, share of the fund | 40.7% | 7.5% |
Holdings in common uses holdings dated Oct 27, 2026. Method
Risk and return
Mar 29, 2019 to Oct 23, 2026 · 395 weekly returnsEach against its own benchmark: DYNF against PBUS, Mar 29, 2019 to Oct 23, 2026; MDY against IJH, Jun 2, 2000 to Oct 23, 2026.
DYNF returned more: +202.7% to +110.1%. DYNF swung less: 19.3% to 22.4%. DYNF fell less at its worst: −32.7% to −39.7%.
Full scorecard
19 measures, with how each is measured Open ↓
| Measure | DYNF | MDY | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +202.7% | +110.1% | DYNF | Price change plus distributions, reinvested. |
| Annualized | +15.7% | +10.3% | DYNF | Total return as a yearly rate. |
| Price return | +170.1% | +91.1% | DYNF | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 19.3% | 22.4% | DYNF | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 13.4% | 15.6% | DYNF | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −32.7% | −39.7% | DYNF | Deepest fall from a high to the low after it. |
| Upside capture | 104.8% | 99.9% | Share of its benchmark's rise caught in the weeks it rose. | |
| Downside capture | 102.2% | 100.2% | Share of its benchmark's fall taken in the weeks it fell. Lower is better. | |
| Beta | 1.03 | 1.00 | Not an edge | How far it moves for each 1% its benchmark moves. |
| R squared | 0.96 | 0.99 | Not an edge | Share of its weekly moves its benchmark explains. |
| Risk-adjusted | ||||
| Sharpe | 0.71 | 0.42 | DYNF | Return above Treasury bills per unit of volatility. |
| Sortino | 1.02 | 0.61 | DYNF | Return above Treasury bills per unit of downside deviation. |
| Treynor | 0.132 | 0.089 | Return above Treasury bills per unit of beta. | |
| Calmar | 0.48 | 0.26 | DYNF | Annualized return divided by the max drawdown. |
| Against the benchmark | ||||
| Benchmark | PBUS | IJH | The ETF each fund is measured against. | |
| Alpha | −0.1% a year | −0.2% a year | Not significant | Yearly return beyond what its beta to the benchmark predicts. |
| Alpha t-stat | −0.05 | −0.63 | Not an edge | How sure the alpha is. Below 2, it could be chance. |
| Alpha range | −2.9% to +2.7% | −0.8% to +0.4% | Includes zero | The 95% range for the yearly alpha. |
| Information ratio | 0.09 | −0.11 | Return against its benchmark per unit of tracking error. | |
| Tracking error | 3.9% | 1.7% | Not an edge | How far weekly returns stray from the benchmark, annualized. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 395 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, DYNF and MDY hold 1% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.
half
1% in common
Only in one fund ↓
Side by side
DYNF and MDY on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
DYNF and MDY do different jobs. What does each one do in a portfolio?
- What each follows. DYNF follows No index, actively managed and MDY follows S&P MidCap 400 Index.
- Holdings in common. 1% of the weight is in the same securities (holdings dated Oct 27, 2026).
- One-year total return (similar). Over 1 year to Oct 28, 2026 DYNF returned +14.5% and MDY +12.8% with distributions reinvested, a gap of 1.7 points.
Data as of Oct 28, 2026.
The two-page PDF for this pair is coming. Save the comparison to follow its changes. Free. It needs an email sign-in, once.
DYNF
DYNF is actively managed and tracks no index. Over the year to Oct 28, 2026 it returned +14.5% with distributions reinvested, against +13.3% for its benchmark, the MSCI USA Index. The prospectus expense ratio is 0.26% a year. By its holdings published by its issuer for Oct 27, 2026, 95% of the fund by weight is stocks the S&P 500 also holds, across 262 positions, with the top ten at 40.7%.
MDY
MDY tracks the S&P MidCap 400. Over the year to Oct 28, 2026 it returned +12.8% with distributions reinvested, against +13.2% for its benchmark, the S&P MidCap 400 Index. The prospectus expense ratio is 0.23% a year. By its holdings published by its issuer for Oct 27, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 401 positions, with the top ten at 7.5%. It sat 6.5% below its high of Aug 14, 2026 on Oct 28, 2026.
Questions people ask
- Which returned more over the last year, DYNF or MDY?
- In the year to Oct 28, 2026, with distributions reinvested, DYNF returned +14.5% and MDY +12.8%.
- Which is cheaper, DYNF or MDY?
- MDY is cheaper, by 0.03 percentage points a year. That is about $3 on $10,000 held for a year. Fees come from each fund's prospectus.
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
Cite this pageCitation, APA and Markdown
ETFIQ, DYNF against MDY, data as of Oct 28, 2026. https://etfiq.com/compare/any/dynf-vs-mdy
ETFIQ. (Oct 28, 2026). DYNF against MDY. Retrieved from https://etfiq.com/compare/any/dynf-vs-mdy
[DYNF against MDY (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/dynf-vs-mdy)
Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.