# Westport Fuel Systems Inc (AETR) 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.

Westport Fuel Systems Inc (AETR) vs State Street SPDR S&P 500 ETF Trust (SPY) total return over 5Y: AETR -93.01%, SPY +80.34%. As of Oct 26, 2026. Research only.

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

## Window

| Symbol | Window % | Worst drawdown | YTD |
|---|---:|---:|---:|
| AETR | -93.01% | -96.09% | +32.93% |
| SPY | +80.34% | -24.49% | +12.91% |

## Periods (calendar lookback)

| Symbol | 1Y | 2Y | 3Y | 5Y |
|---|---:|---:|---:|---:|
| AETR | +7.39% | -48.71% | -58.63% | -93.01% |
| SPY | +12.90% | +34.81% | +92.39% | +80.34% |

## Annual

| Year | AETR | SPY |
|---|---:|---:|
| YTD | +32.93% | +12.91% |
| 2025 | -59.11% | +18.01% |
| 2024 | -45.59% | +25.59% |
| 2023 | -15.13% | +26.73% |
| 2022 | -67.65% | -18.64% |
| 2021 | -24.04% | +5.00% |

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Research context only. Not personalized investment advice.