# Koss Corporation (KOSS) vs State Street SPDR S&P 500 ETF Trust (SPY) · total-return overlay

LOPJLB holding-return compare (5Y). Dividends and splits. Each path starts at 0% from the first adjusted close in the window.

Koss Corporation (KOSS) vs State Street SPDR S&P 500 ETF Trust (SPY) total return over 5Y: KOSS -78.84%, SPY +88.06%. Regime KOSS RECOVERY · SPY BULL. As of Oct 13, 2026. Research only.

- Interactive: https://www.lopjlb.com/vs/KOSS/SPY
- API: `GET /bff/api/bigfive/compare-series?symbols=KOSS%2CSPY&range=5y`

## Window

| Symbol | Window % | Worst drawdown | YTD |
|---|---:|---:|---:|
| KOSS | -78.84% | -87.35% | -11.75% |
| SPY | +88.06% | -24.49% | +14.78% |

## Periods (calendar lookback)

| Symbol | 1Y | 2Y | 3Y | 5Y |
|---|---:|---:|---:|---:|
| KOSS | -22.47% | -47.17% | +35.82% | -78.84% |
| SPY | +18.61% | +36.22% | +86.97% | +88.06% |

## Annual

| Year | KOSS | SPY |
|---|---:|---:|
| YTD | -11.75% | +14.78% |
| 2025 | -44.20% | +18.01% |
| 2024 | +114.53% | +25.59% |
| 2023 | -32.19% | +26.73% |
| 2022 | -58.19% | -18.64% |
| 2021 | -40.99% | +7.72% |

---

Research context only. Not personalized investment advice.