Amprius Technologies Inc (AMPX) returns
Amprius Technologies returns over 3 years
$1,000 invested in Amprius Technologies three years ago was worth $3,090 at the close on October 30, 2026, with dividends reinvested: an average return of 45.7% a year. The same $1,000 in the S&P 500 (SPY) became $1,885.
Total return by period
| Period | Total return | A year, on average | $1,000 became | S&P 500 (SPY) |
|---|---|---|---|---|
| 1 month | -11.3% | — | $887.40 | -0.9% |
| 3 months | -9.3% | — | $907.07 | +2.1% |
| Year to date | +8.9% | — | $1,089 | +11.7% |
| 1 year | -30.1% | — | $698.94 | +12.4% |
| 3 years | +209.0% | +45.7% | $3,090 | +88.5% |
Amprius Technologies return by calendar year
| Year | AMPX | S&P 500 (SPY) | Difference |
|---|---|---|---|
| 2026 to date | +8.9% | +11.7% | -2.8% |
| 2025 | +181.8% | +17.7% | +164.1% |
| 2024 | -47.1% | +24.9% | -72.0% |
| 2023 | -33.3% | +26.2% | -59.5% |
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.
See also: AMPX financials
No forecast, no recommendation. This page describes Amprius Technologies 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.