Aldeyra Therapeutics Inc (ALDX) returns
Aldeyra Therapeutics returns over 10 years
$1,000 invested in Aldeyra Therapeutics ten years ago was worth $106.72 at the close on October 30, 2026, with dividends reinvested: an average return of -20.0% a year. The same $1,000 in the S&P 500 (SPY) became $4,166.
Total return by period
| Period | Total return | A year, on average | $1,000 became | S&P 500 (SPY) |
|---|---|---|---|---|
| 1 month | -54.4% | — | $455.53 | -0.9% |
| 3 months | -65.0% | — | $350.19 | +2.1% |
| Year to date | -89.2% | — | $108.17 | +11.7% |
| 1 year | -88.9% | — | $111.39 | +12.4% |
| 3 years | -63.6% | -28.6% | $363.83 | +88.5% |
| 5 years | -93.8% | -42.7% | $61.57 | +76.0% |
| 10 years | -89.3% | -20.0% | $106.72 | +316.6% |
Aldeyra Therapeutics return by calendar year
| Year | ALDX | S&P 500 (SPY) | Difference |
|---|---|---|---|
| 2026 to date | -89.2% | +11.7% | -100.9% |
| 2025 | +3.8% | +17.7% | -13.9% |
| 2024 | +42.2% | +24.9% | +17.3% |
| 2023 | -49.6% | +26.2% | -75.8% |
| 2022 | +74.0% | -18.2% | +92.2% |
| 2021 | -41.7% | +28.7% | -70.4% |
| 2020 | +18.1% | +18.4% | -0.3% |
| 2019 | -30.0% | +31.2% | -61.2% |
| 2018 | +22.1% | -4.6% | +26.6% |
| 2017 | +27.1% | +21.7% | +5.4% |
| 2016 | -21.1% | +12.0% | -33.1% |
Past returns do not predict future returns. Returns are computed from our daily closes, adjusted for splits and with dividends reinvested on their ex-dates; taxes and trading costs are left out.
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No forecast, no recommendation. This page describes Aldeyra Therapeutics Inc from published data; it is not advice to buy, sell or hold any security.
Figures as of the close on Oct 30, 2026 unless a row says otherwise. Prices are split adjusted; returns include dividends reinvested. Data may be delayed. See the disclaimer and how TrendArc works.