UDOW targets three times the Dow Jones Industrial Average’s return for each day, before fees and expenses; DIA seeks generally to track the Dow’s price and yield performance before expenses. They share an index reference but offer very different return patterns: UDOW is a daily leveraged fund, while DIA is a conventional index-tracking ETF.
What is the difference between UDOW and DIA?
| Feature | UDOW | DIA |
|---|---|---|
| Fund objective | Targets 3x the Dow’s daily performance before fees and expenses. ProShares UDOW fund page | Seeks generally to correspond to the Dow’s price and yield performance before expenses. State Street fact sheet, as of June 30, 2026 |
| Expense ratio reported | 0.95% gross and 0.95% net, as shown on ProShares’ page accessed October 4, 2026 | 0.16% gross, in State Street’s fact sheet dated June 30, 2026 |
| Exposure and risk | Daily leverage adds amplified gains and losses and makes multi-day results sensitive to the path of daily returns. | Conventional equity-market exposure, with tracking, liquidity, and premium-or-discount risks. |
| Benchmark | Dow Jones Industrial Average | Dow Jones Industrial Average |
The published expense ratios are dated fund disclosures, not a guarantee of total investor cost. Brokerage commissions and other trading costs can also affect returns. Check the latest fund documents for current terms.
Is UDOW three times DIA?
Not over an arbitrary holding period. UDOW’s three-times target applies to the Dow’s return for one day, not to DIA’s cumulative return over a week, month, or year. ProShares warns that for any holding period other than a day, UDOW’s return may be higher or lower than its daily target, and the difference may be significant.
Why the holding period matters
A daily leveraged fund resets its exposure to pursue a daily multiple. Over multiple days, returns compound in sequence; they do not simply equal three times the benchmark’s total return. The result depends on both the size and order of daily moves. ProShares notes that smaller index moves combined with higher volatility can worsen the divergence, while larger moves with lower volatility can improve it. A decline from this effect is not guaranteed in every period, and a longer holding period does not automatically mean a loss.
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A hypothetical compounding example
Suppose an index rises 10% one day and falls 9.09% the next. It ends approximately where it started. A hypothetical fund targeting three times each day’s return would rise about 30%, then fall about 27.27%, leaving it down about 5.45% before fees and tracking effects. This is arithmetic to illustrate daily compounding, not historical UDOW performance.
Which has the lower expense ratio?
DIA’s reported gross expense ratio is lower in the cited disclosures: 0.16% in State Street’s fact sheet dated June 30, 2026, versus UDOW’s reported gross and net expense ratios of 0.95% on ProShares’ page accessed October 4, 2026. The figures have different source dates. An expense ratio is only one part of the cost of owning an ETF; trading costs and commissions may apply as well.
What does the Dow exposure include?
Both funds reference the Dow Jones Industrial Average. State Street describes it as a price-weighted index of 30 U.S. blue-chip stocks. Price weighting means a component’s share price influences its index weight; the Dow is not a broad representation of the entire U.S. stock market. DIA therefore carries concentration in this specific group of companies and methodology, rather than whole-market exposure.
As one dated snapshot, State Street reported financials at 26.70% and industrials at 18.94% of DIA’s sector weights on June 30, 2026; those weights can change. The same fact sheet reported a 30-day SEC yield of 1.36% on that date. SEC yield is a standardized fund measure and should not be treated as interchangeable with a distribution yield or compared mechanically with UDOW distributions.
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UDOW
- Leverage magnifies daily losses as well as gains.
- Daily reset and compounding can cause multi-day results to diverge significantly from three times the Dow’s cumulative return.
- It retains equity-market risk because its benchmark is a stock index.
DIA
- It remains exposed to losses in the underlying stocks and broader equity market.
- Its market price may differ from net asset value (NAV), and it may not track the index exactly.
- ETF shares may not trade readily in every market condition; State Street warns they may trade at significant discounts during market stress.
Which Dow Jones ETF fits your strategy?
The distinction to evaluate is the exposure each fund seeks—not just that both name the Dow as a benchmark. DIA is the conventional tracking approach in this comparison. UDOW is designed for a three-times daily target, bringing leverage and daily-reset effects that make the holding period and return path central to any evaluation.
Whether either fund fits depends on factors such as investment horizon, risk tolerance, objectives, tax circumstances, and the rest of a portfolio. This comparison is educational, not a personalized investment recommendation. Performance, costs, holdings, and fund terms can change; consult the latest prospectuses and fact sheets before making a decision. Historical performance is not a forecast.
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