DIISX Performance — BNY Mellon International Stock Index Fund, Investor Shares
Data updated: 2026-09-24
DIISX returned +11.48% year to date and +23.88% over one year to Jul 2026. Annualised returns are +15.47% over 3 years and +8.74% over 5 years. The fund beat its International Mid-Cap Blend category average: $100 invested three years ago grew to $154, against $152 for the category, and to $124 over one year, against $120. Volatility over the past three years was 12.78% a year. In the 12 months to Jul 2026 the fund lost a net $37.2M, and assets reached $332.99M.
DIISX Growth of $100
What $100 invested in BNY Mellon International Stock Index Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the International Mid-Cap Blend category average over the same months.
| Period | DIISX | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $124 | $120 |
| 3 years (Aug 2023 – Jul 2026) | $154 | $152 |
| 5 years (Aug 2021 – Jul 2026) | $152 | $143 |
| Since data start (Aug 2019 – Jul 2026) | $195 | $191 |
DIISX Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +11.48% |
| 1 year | +23.88% |
| 3 years (annualised) | +15.47% |
| 5 years (annualised) | +8.74% |
DIISX Annual Returns
Calendar-year total returns of BNY Mellon International Stock Index Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | +11.48% |
| 2025 | +30.36% |
| 2024 | +3.27% |
| 2023 | +17.23% |
| 2022 | −14.55% |
| 2021 | +10.83% |
| 2020 | +7.51% |
| 2019 (Aug–Dec) | +8.92% |
DIISX 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 | +5.0% | +5.0% | −8.7% | +6.0% | +2.5% | +0.3% | +1.6% | — | — | — | — | — |
| 2025 | +5.0% | +2.5% | −0.8% | +4.3% | +4.9% | +2.4% | −2.0% | +4.2% | +2.0% | +1.1% | +0.7% | +2.7% |
| 2024 | −0.5% | +2.8% | +3.1% | −3.1% | +5.1% | −2.1% | +2.8% | +3.4% | +0.4% | −5.4% | −0.3% | −2.5% |
| 2023 | +8.2% | −2.9% | +3.0% | +2.8% | −4.1% | +4.4% | +2.6% | −3.6% | −3.6% | −3.4% | +8.2% | +5.5% |
| 2022 | −4.1% | −2.7% | −0.4% | −6.5% | +1.8% | −8.9% | +5.2% | −5.9% | −9.5% | +5.8% | +13.7% | −1.7% |
| 2021 | −1.3% | +2.0% | +2.4% | +3.1% | +3.8% | −1.6% | +0.9% | +1.6% | −3.4% | +2.9% | −4.4% | +4.9% |
| 2020 | −2.7% | −7.8% | −13.8% | +5.8% | +5.0% | +3.2% | +2.4% | +4.8% | −2.5% | −3.8% | +14.9% | +4.9% |
| 2019 | — | — | — | — | — | — | — | −2.0% | +3.0% | +3.5% | +1.0% | +3.2% |
DIISX Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 12.78%
- 3-year Sharpe ratio: 0.86 (vs 4.5% risk-free rate)
- Best month: +8.22% (Nov 2023)
- Worst month: −8.71% (Mar 2026)
DIISX Fund Flows
Monthly money in and out of BNY Mellon International Stock Index Fund, from SEC Form N-PORT.
- 12-month net flow: −$37.2M
- 12-month gross sales (incl. reinvestments): $53.3M
- Sales ÷ redemptions: 0.59×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $4.2M | $3.8M | $407K |
| Jun 2026 | $3.5M | $6.3M | −$2.8M |
| May 2026 | $2.6M | $7.7M | −$5.1M |
| Apr 2026 | $3.2M | $6.2M | −$3.1M |
| Mar 2026 | $2.4M | $10.4M | −$8.0M |
| Feb 2026 | $5.6M | $10.5M | −$4.9M |
| Jan 2026 | $2.4M | $10.3M | −$7.8M |
| Dec 2025 | $15.4M | $9.8M | $5.6M |
| Nov 2025 | $2.0M | $6.2M | −$4.2M |
| Oct 2025 | $3.2M | $10.8M | −$7.6M |
| Sep 2025 | $4.1M | $4.4M | −$334K |
| Aug 2025 | $4.6M | $4.0M | $654K |
DIISX Assets Under Management
Net assets of BNY Mellon International Stock Index Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $332.99M |
| 2026-04-30 | $326.31M |
| 2026-01-31 | $337.00M |
| 2025-10-31 | $330.86M |
| 2025-07-31 | $314.62M |
| 2025-04-30 | $315.00M |
| 2025-01-31 | $311.08M |
| 2024-10-31 | $313.45M |
| 2024-07-31 | $339.75M |
| 2024-04-30 | $325.71M |
| 2024-01-31 | $323.61M |
| 2023-10-31 | $299.17M |
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.