Among SPY and IOO, IOO had the best month this year in April 2026, returning 11.1%.
| ASSET | MONTH | % RETURN |
|---|---|---|
SPY | January 2026 | 0.91% |
IOO | January 2026 | 1% |
IOO | February 2026 | -0.64% |
SPY | February 2026 | -0.52% |
SPY | March 2026 | -3.92% |
IOO | March 2026 | -3.79% |
SPY | April 2026 | 9.9% |
IOO | April 2026 | 11.12% |
SPY | May 2026 | 4.88% |
IOO | May 2026 | 5.39% |
IOO | June 2026 | -2.39% |
SPY | June 2026 | -0.89% |