MYY Performance — ProShares Short MidCap400
Data updated: 2026-08-14
MYY returned −10.52% year to date and −16.97% over one year to May 2026. Annualised returns are −10.90% over 3 years and −5.82% over 5 years. The fund trailed its Trading - Leveraged category average: $100 invested three years ago grew to $71, against $173 for the category, and to $83 over one year, against $137. Volatility over the past three years was 16.15% a year. In the 12 months to May 2026 the fund lost a net $2.2M, and assets reached $2.63M.
MYY Growth of $100
What $100 invested in ProShares Short MidCap400 grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Trading - Leveraged category average over the same months.
| Period | MYY | Category average |
|---|---|---|
| 1 year (Jun 2025 – May 2026) | $83 | $137 |
| 3 years (Jun 2023 – May 2026) | $71 | $173 |
| 5 years (Jun 2021 – May 2026) | $74 | $155 |
| Since data start (Sep 2019 – May 2026) | $41 | $181 |
MYY Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | −10.52% |
| 1 year | −16.97% |
| 3 years (annualised) | −10.90% |
| 5 years (annualised) | −5.82% |
MYY Annual Returns
Calendar-year total returns of ProShares Short MidCap400, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | −10.52% |
| 2025 | −4.01% |
| 2024 | −7.14% |
| 2023 | −9.37% |
| 2022 | +10.00% |
| 2021 | −23.14% |
| 2020 | −25.83% |
| 2019 (Sep–Dec) | −9.01% |
MYY Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | −3.5% | −3.7% | +5.8% | −7.0% | −2.1% | — | — | — | — | — | — | — |
| 2025 | −3.2% | +5.0% | +6.0% | +0.9% | −4.8% | −3.0% | −1.1% | −2.9% | +0.1% | +0.9% | −1.7% | +0.4% |
| 2024 | +2.3% | −5.2% | −4.8% | +6.9% | −3.7% | +2.1% | −5.1% | +0.5% | −0.6% | +1.3% | −7.9% | +8.1% |
| 2023 | −8.1% | +2.3% | +3.4% | +1.3% | +3.9% | −8.0% | −3.4% | +3.6% | +6.1% | +6.1% | −7.4% | −7.7% |
| 2022 | +7.3% | −1.5% | −2.1% | +7.1% | −1.6% | +9.8% | −10.0% | +3.1% | +9.8% | −9.8% | −5.9% | +6.2% |
| 2021 | −1.9% | −6.7% | −5.1% | −4.5% | −0.5% | +0.7% | −0.7% | −2.1% | +3.9% | −5.8% | +2.7% | −5.3% |
| 2020 | +2.8% | +10.1% | +14.2% | −14.6% | −8.0% | −2.5% | −4.8% | −3.6% | +2.8% | −2.5% | −13.0% | −6.3% |
| 2019 | — | — | — | — | — | — | — | — | −2.9% | −1.1% | −2.8% | −2.6% |
MYY Risk
Risk measures from monthly returns over Jun 2023 – May 2026.
- 3-year volatility (annualised): 16.15%
- 3-year Sharpe ratio: -0.95 (vs 4.5% risk-free rate)
- Best month: +8.14% (Dec 2024)
- Worst month: −7.97% (Jun 2023)
MYY Fund Flows
Monthly money in and out of ProShares Short MidCap400, from SEC Form N-PORT.
- 12-month net flow: −$2.2M
- 12-month gross sales (incl. reinvestments): $1.3M
- Sales ÷ redemptions: 0.38×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $0 | $0 | $0 |
| Apr 2026 | $0 | $803K | −$803K |
| Mar 2026 | $425K | $0 | $425K |
| Feb 2026 | $0 | $0 | $0 |
| Jan 2026 | $0 | $413K | −$413K |
| Dec 2025 | $0 | $0 | $0 |
| Nov 2025 | $0 | $0 | $0 |
| Oct 2025 | $445K | $0 | $445K |
| Sep 2025 | $0 | $0 | $0 |
| Aug 2025 | $466K | $1.8M | −$1.4M |
| Jul 2025 | $0 | $0 | $0 |
| Jun 2025 | $0 | $480K | −$480K |
MYY Assets Under Management
Net assets of ProShares Short MidCap400 by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-05-31 | $2.63M |
| 2026-02-28 | $3.16M |
| 2025-11-30 | $3.86M |
| 2025-08-31 | $3.49M |
| 2025-05-31 | $5.73M |
| 2025-02-28 | $5.19M |
| 2024-11-30 | $4.79M |
| 2024-08-31 | $8.67M |
| 2024-05-31 | $5.44M |
| 2024-02-29 | $6.12M |
| 2023-11-30 | $10.52M |
| 2023-08-31 | $9.62M |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.