What is the market doing?
What the tape says about AMTM
Amentum Holdings, Inc. is −20% over the past year while the S&P 500 is +20%: 40 points behind the market.
−20%
1-year return · S&P 500 +20%
- vs 200-day average
- −24%
vs 200-day average · a clear downtrend
- RSI (14)
- 47
RSI (14) · neutral
- Below its 52-week high
- 46%
Below its 52-week high
Details›
- Last close2026-09-08
- $20.14
- 1 monthS&P 500 −0.30%
- −16%
- 1 yearS&P 500 +20%
- −20%
- vs 50-day average$21.47
- −6.2%
- 52-week high
- $37.53
- 52-week low
- $19.91
- Annualised volatility
- 57%
| Year | Return |
|---|---|
| 2026 (year to date) | −31% |
| 2025 | +38% |
| Month | Years | Positive | Average |
|---|---|---|---|
| Jan | 2 | 1 of 2 | +12% |
| Feb | 2 | 0 of 2 | −11% |
| Mar | 2 | 0 of 2 | −10% |
| Apr | 2 | 2 of 2 | +10% |
| May | 2 | 0 of 2 | −8.4% |
| Jun | 2 | 1 of 2 | +0.38% |
| Jul | 2 | 2 of 2 | +11% |
| Aug | 2 | 0 of 2 | −7.4% |
| Sep | 2 | 1 of 2 | −1.6% |
| Oct | 2 | 0 of 2 | −7.1% |
| Nov | 2 | 1 of 2 | +4.8% |
| Dec | 2 | 1 of 2 | −6.2% |
End-of-day closes from IEX; the S&P 500 comparison uses SPY over the same window. Prices are a reference point, not a basis for trading decisions.
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