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$AMTM

Amentum Holdings, Inc. · Mid cap ($6.0B) · $24.44 before its last report

The odds on earnings

Next report estimated around Nov 24, 2026. Based on 8 reports since 2021.

  1. Typical earnings move is 9%, about 1.5× a typical mid cap.
  2. About 82% of its move usually happens in the opening gap, before you can react.

Careful: Next report date is estimated from last year’s schedule; confirm it before relying on it.

Typical move
9%
Moved 10%+
38%
Moved 20%+
0%
Went up
50%
In the opening gap
82%
Streak
1 down
Best day
+18%
Worst day
−12%

A typical mid cap moves 6% on earnings on average and hits 10%+ on 18% of reports.

Every report

DateMoveAt the openNext 5 daysNext 20 days
Aug 11, 2026after close−8.2%−5.1%−6.3%−10.5%
May 12, 2026after close+1.5%+6.6%−3.5%−9.3%
Feb 10, 2026after close−12.4%−8.1%−2.9%−7.7%
Nov 25, 2025after close+18.2%+11.7%−6.6%−3.7%
Aug 6, 2025after close+1.7%−6.2%−1.8%−13.4%
May 7, 2025after close−4.5%−8.9%−5.4%−2.2%
Feb 5, 2025after close+10.6%+6.3%−7.1%−8.7%
Dec 17, 2024after close−9.5%+1.8%−4.6%+8.4%

Next 5 and 20 days are compared with the Russell 2000 (IWM), starting from the earnings-day close.

Government contract awards (40)

  1. $609Marmy
    4.2%Nov 5, 2026 · 4.2% of last year’s revenue · announcement
  2. $27.3Mair force
    0.2%Oct 29, 2026 · 0.2% of last year’s revenue · announcement
  3. $26.1Mair force
    0.2%Oct 23, 2026 · 0.2% of last year’s revenue · announcement
  4. $17.6Mair force
    0.1%Oct 5, 2026 · 0.1% of last year’s revenue · 20 days later: +25.4% vs the S&P 500 · announcement
  5. $79.0Mair force
    0.5%Oct 1, 2026 · 0.5% of last year’s revenue · 20 days later: +18.9% vs the S&P 500 · announcement
  6. $572Mair force
    4.0%Sep 28, 2026 · 4.0% of last year’s revenue · 20 days later: +19.6% vs the S&P 500 · announcement
  7. $13.8Marmy
    0.1%Sep 17, 2026 · 0.1% of last year’s revenue · 20 days later: −7.2% vs the S&P 500 · announcement
  8. $150Mair force
    1.0%Sep 16, 2026 · 1.0% of last year’s revenue · 20 days later: −10.9% vs the S&P 500 · announcement
  9. $10.2Mnavy
    0.1%Sep 9, 2026 · 0.1% of last year’s revenue · 20 days later: −7.2% vs the S&P 500 · announcement
  10. $19.2Marmy
    0.1%Jul 1, 2026 · 0.1% of last year’s revenue · 20 days later: +6.7% vs the S&P 500 · announcement
  11. $9.4Marmy
    0.1%Jun 29, 2026 · 0.1% of last year’s revenue · 20 days later: +14.5% vs the S&P 500 · announcement
  12. $50.2Mnavy
    0.3%May 27, 2026 · 0.3% of last year’s revenue · 20 days later: −11.2% vs the S&P 500 · announcement
  13. $30.0Mair force
    0.2%May 12, 2026 · 0.2% of last year’s revenue · 20 days later: −8.6% vs the S&P 500 · announcement
  14. $26.3Mnavy
    0.2%Mar 17, 2026 · 0.2% of last year’s revenue · 20 days later: −4.7% vs the S&P 500 · announcement
  15. $12.0Marmy
    0.1%Mar 10, 2026 · 0.1% of last year’s revenue · 20 days later: −5.8% vs the S&P 500 · announcement

History, not predictions. Not investment advice.