60/120
All 120 Win/Lose results shown below
Every strict quarterly win earns 1 point. A loss, tie, or unavailable scoring value earns 0. Gray context columns never affect the score. CEO quarterly pay is the explicitly marked annual ÷ 4 estimate.
Trailing 1 year (4 quarters): 1 wins, 11 lossesLast fetched: 4 Sept 2026
Complete point ledger
Each cell identifies the missing side explicitly. Unavailable evidence scores 0 only in Win/Lose columns; gray columns award no points.
| Quarter | Total return | Revenue growth | EPS growth | Net marginNon-scoring | Trailing P/ENon-scoring | Price/bookNon-scoring | CEO quarterly payNon-scoring | Implied DilutionNon-scoring | Implied BuybackNon-scoring |
|---|---|---|---|---|---|---|---|---|---|
| 2026-Q20/3 |
LoseAMPH / S&P 3.01% / 15.20% |
LoseAMPH / S&P 1.02% / 15.00% |
LoseAMPH / S&P -36.70% / 50.40% |
Non-scoringAMPH / S&P 10.76% / 15.70% | Non-scoringAMPH / S&P 10.93 / 28.47 | Non-scoringAMPH / S&P 1.12 / S&P unavailable | Non-scoringAMPH / S&P AMPH unavailable / S&P unavailable | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.36b |
| 2026-Q10/3 |
LoseAMPH / S&P -26.85% / -4.33% |
LoseAMPH / S&P -1.39% / 11.30% |
LoseAMPH / S&P -39.86% / 27.70% |
Non-scoringAMPH / S&P 11.00% / 14.80% | Non-scoringAMPH / S&P 11.04 / 25.43 | Non-scoringAMPH / S&P 1.13 / S&P unavailable | Non-scoringAMPH / S&P AMPH unavailable / S&P unavailable | Non-scoringAMPH / S&P AMPH unavailable / $0.27b | Non-scoringAMPH / S&P AMPH unavailable / $0.00b |
| 2025-Q40/3 |
LoseAMPH / S&P 0.49% / 2.65% |
LoseAMPH / S&P -1.65% / 9.00% |
LoseAMPH / S&P -33.66% / 13.40% |
Non-scoringAMPH / S&P 13.63% / 13.20% | Non-scoringAMPH / S&P 12.46 / 28.48 | Non-scoringAMPH / S&P 1.55 / 5.39 | Non-scoringAMPH / S&P AMPH unavailable / $4.42m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.20b |
| 2025-Q31/3 |
WinAMPH / S&P 16.07% / 8.12% |
LoseAMPH / S&P -0.03% / 4.61% |
LoseAMPH / S&P -24.92% / 13.45% |
Non-scoringAMPH / S&P 15.43% / 11.78% | Non-scoringAMPH / S&P 11.07 / 28.13 | Non-scoringAMPH / S&P 1.59 / 5.27 | Non-scoringAMPH / S&P AMPH unavailable / $4.42m | Non-scoringAMPH / S&P AMPH unavailable / $0.11b | Non-scoringAMPH / S&P AMPH unavailable / $0.00b |
| 2025-Q20/3 |
LoseAMPH / S&P -20.80% / 10.94% |
LoseAMPH / S&P 1.37% / 4.83% |
LoseAMPH / S&P -14.97% / 10.63% |
Non-scoringAMPH / S&P 18.64% / 11.45% | Non-scoringAMPH / S&P 7.92 / 27.10 | Non-scoringAMPH / S&P 1.41 / 5.01 | Non-scoringAMPH / S&P AMPH unavailable / $4.42m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.23b |
| 2025-Q11/3 |
LoseAMPH / S&P -21.92% / -4.27% |
WinAMPH / S&P 8.05% / 4.98% |
LoseAMPH / S&P -4.83% / 10.57% |
Non-scoringAMPH / S&P 19.38% / 11.39% | Non-scoringAMPH / S&P 9.76 / 26.23 | Non-scoringAMPH / S&P 1.84 / 4.69 | Non-scoringAMPH / S&P AMPH unavailable / $4.42m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.10b |
| 2024-Q42/3 |
LoseAMPH / S&P -23.49% / 2.41% |
WinAMPH / S&P 13.59% / 5.25% |
WinAMPH / S&P 18.15% / 6.15% |
Non-scoringAMPH / S&P 21.79% / 11.29% | Non-scoringAMPH / S&P 11.08 / 28.60 | Non-scoringAMPH / S&P 2.41 / 4.99 | Non-scoringAMPH / S&P AMPH unavailable / $4.28m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.08b |
| 2024-Q33/3 |
WinAMPH / S&P 21.32% / 5.89% |
WinAMPH / S&P 20.33% / 5.89% |
WinAMPH / S&P 18.04% / 6.11% |
Non-scoringAMPH / S&P 21.80% / 10.87% | Non-scoringAMPH / S&P 14.88 / 28.09 | Non-scoringAMPH / S&P 3.23 / 4.94 | Non-scoringAMPH / S&P AMPH unavailable / $4.28m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.21b |
| 2024-Q22/3 |
LoseAMPH / S&P -8.90% / 4.28% |
WinAMPH / S&P 31.80% / 5.38% |
WinAMPH / S&P 61.86% / 5.12% |
Non-scoringAMPH / S&P 23.36% / 10.85% | Non-scoringAMPH / S&P 11.76 / 27.64 | Non-scoringAMPH / S&P 2.75 / 4.79 | Non-scoringAMPH / S&P AMPH unavailable / $4.28m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.36b |
| 2024-Q12/3 |
LoseAMPH / S&P -29.01% / 10.56% |
WinAMPH / S&P 30.38% / 5.71% |
WinAMPH / S&P 62.92% / 5.59% |
Non-scoringAMPH / S&P 22.88% / 10.81% | Non-scoringAMPH / S&P 13.86 / 27.02 | Non-scoringAMPH / S&P 3.19 / 4.71 | Non-scoringAMPH / S&P AMPH unavailable / $4.28m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.12b |
| 2023-Q43/3 |
WinAMPH / S&P 34.49% / 11.69% |
WinAMPH / S&P 29.14% / 6.81% |
WinAMPH / S&P 48.00% / 7.78% |
Non-scoringAMPH / S&P 21.34% / 11.19% | Non-scoringAMPH / S&P 21.62 / 24.35 | Non-scoringAMPH / S&P 4.65 / 4.31 | Non-scoringAMPH / S&P AMPH unavailable / $4.08m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.01b |
| 2023-Q32/3 |
LoseAMPH / S&P -19.98% / -3.27% |
WinAMPH / S&P 24.02% / 7.52% |
WinAMPH / S&P 70.00% / -5.03% |
Non-scoringAMPH / S&P 22.50% / 10.84% | Non-scoringAMPH / S&P 16.28 / 23.93 | Non-scoringAMPH / S&P 3.70 / 3.98 | Non-scoringAMPH / S&P AMPH unavailable / $4.08m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.24b |
| 2023-Q23/3 |
WinAMPH / S&P 53.25% / 8.74% |
WinAMPH / S&P 13.41% / 9.50% |
WinAMPH / S&P 8.38% / -8.57% |
Non-scoringAMPH / S&P 18.85% / 10.88% | Non-scoringAMPH / S&P 27.52 / 24.01 | Non-scoringAMPH / S&P 4.76 / 4.19 | Non-scoringAMPH / S&P AMPH unavailable / $4.08m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.17b |
| 2023-Q13/3 |
WinAMPH / S&P 33.83% / 7.50% |
WinAMPH / S&P 13.96% / 10.77% |
WinAMPH / S&P 9.88% / -15.69% |
Non-scoringAMPH / S&P 17.96% / 10.82% | Non-scoringAMPH / S&P 19.39 / 22.66 | Non-scoringAMPH / S&P 3.29 / 3.93 | Non-scoringAMPH / S&P AMPH unavailable / $4.08m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.13b |
| 2022-Q42/3 |
LoseAMPH / S&P -0.28% / 7.56% |
WinAMPH / S&P 13.98% / 11.88% |
WinAMPH / S&P 40.00% / -17.99% |
Non-scoringAMPH / S&P 18.31% / 11.09% | Non-scoringAMPH / S&P 14.75 / 22.65 | Non-scoringAMPH / S&P 2.55 / 3.75 | Non-scoringAMPH / S&P AMPH unavailable / $3.70m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.15b |
| 2022-Q32/3 |
LoseAMPH / S&P -19.23% / -4.88% |
WinAMPH / S&P 17.45% / 13.47% |
WinAMPH / S&P 108.33% / -1.41% |
Non-scoringAMPH / S&P 15.93% / 12.28% | Non-scoringAMPH / S&P 17.69 / 20.58 | Non-scoringAMPH / S&P 2.70 / 3.60 | Non-scoringAMPH / S&P AMPH unavailable / $3.70m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.17b |
| 2022-Q23/3 |
WinAMPH / S&P -3.09% / -16.10% |
WinAMPH / S&P 24.19% / 13.71% |
WinAMPH / S&P 752.38% / 11.04% |
Non-scoringAMPH / S&P 19.06% / 13.03% | Non-scoringAMPH / S&P 18.75 / 20.28 | Non-scoringAMPH / S&P 3.41 / 3.78 | Non-scoringAMPH / S&P AMPH unavailable / $3.70m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.17b |
| 2022-Q13/3 |
WinAMPH / S&P 54.14% / -4.60% |
WinAMPH / S&P 23.61% / 15.97% |
WinAMPH / S&P 3140.00% / 42.23% |
Non-scoringAMPH / S&P 17.87% / 14.22% | Non-scoringAMPH / S&P 21.52 / 22.19 | Non-scoringAMPH / S&P 3.65 / 4.51 | Non-scoringAMPH / S&P AMPH unavailable / $3.70m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.20b |
| 2021-Q43/3 |
WinAMPH / S&P 22.51% / 11.03% |
WinAMPH / S&P 25.13% / 15.00% |
WinAMPH / S&P 4066.67% / 96.40% |
Non-scoringAMPH / S&P 14.19% / 15.13% | Non-scoringAMPH / S&P 17.89 / 23.63 | Non-scoringAMPH / S&P 2.49 / 4.73 | Non-scoringAMPH / S&P AMPH unavailable / $3.63m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.13b |
| 2021-Q32/3 |
LoseAMPH / S&P -5.70% / 0.58% |
WinAMPH / S&P 22.38% / 10.77% |
WinAMPH / S&P 414.29% / 69.42% |
Non-scoringAMPH / S&P 8.74% / 14.13% | Non-scoringAMPH / S&P 25.28 / 25.35 | Non-scoringAMPH / S&P 2.12 / 4.38 | Non-scoringAMPH / S&P AMPH unavailable / $3.63m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.19b |
| 2021-Q23/3 |
WinAMPH / S&P 10.04% / 8.55% |
WinAMPH / S&P 14.98% / 6.58% |
WinAMPH / S&P 133.33% / 51.81% |
Non-scoringAMPH / S&P 2.72% / 13.34% | Non-scoringAMPH / S&P 92.53 / 26.70 | Non-scoringAMPH / S&P 2.29 / 4.43 | Non-scoringAMPH / S&P AMPH unavailable / $3.63m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.11b |
| 2021-Q11/3 |
LoseAMPH / S&P -8.90% / 6.17% |
WinAMPH / S&P 12.50% / -1.06% |
LoseAMPH / S&P -95.24% / 7.39% |
Non-scoringAMPH / S&P 0.68% / 11.60% | Non-scoringAMPH / S&P 350.38 / 30.50 | Non-scoringAMPH / S&P 2.16 / 4.23 | Non-scoringAMPH / S&P AMPH unavailable / $3.63m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.10b |
| 2020-Q41/3 |
LoseAMPH / S&P 7.25% / 12.15% |
WinAMPH / S&P 8.53% / -3.72% |
LoseAMPH / S&P -96.97% / -33.42% |
Non-scoringAMPH / S&P 0.40% / 8.86% | Non-scoringAMPH / S&P 680.78 / 39.26 | Non-scoringAMPH / S&P 2.37 / 4.05 | Non-scoringAMPH / S&P AMPH unavailable / $3.17m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.01b |
| 2020-Q31/3 |
LoseAMPH / S&P -16.52% / 8.93% |
WinAMPH / S&P 2.63% / -2.04% |
LoseAMPH / S&P -86.67% / -27.10% |
Non-scoringAMPH / S&P 1.97% / 9.24% | Non-scoringAMPH / S&P 134.03 / 34.27 | Non-scoringAMPH / S&P 1.98 / 3.65 | Non-scoringAMPH / S&P AMPH unavailable / $3.17m | Non-scoringAMPH / S&P AMPH unavailable / $0.02b | Non-scoringAMPH / S&P AMPH unavailable / $0.00b |
| 2020-Q22/3 |
WinAMPH / S&P 51.35% / 20.54% |
WinAMPH / S&P 3.07% / -0.46% |
LoseAMPH / S&P -91.59% / -27.11% |
Non-scoringAMPH / S&P 1.21% / 9.37% | Non-scoringAMPH / S&P 263.98 / 31.29 | Non-scoringAMPH / S&P 2.68 / 3.44 | Non-scoringAMPH / S&P AMPH unavailable / $3.17m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.03b |
| 2020-Q12/3 |
LoseAMPH / S&P -23.07% / -19.60% |
WinAMPH / S&P 3.54% / 3.47% |
WinAMPH / S&P 2000.00% / -14.75% |
Non-scoringAMPH / S&P 15.90% / 10.68% | Non-scoringAMPH / S&P 13.21 / 22.80 | Non-scoringAMPH / S&P 1.82 / 2.92 | Non-scoringAMPH / S&P AMPH unavailable / $3.17m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.05b |
| 2019-Q41/3 |
LoseAMPH / S&P -2.72% / 9.07% |
WinAMPH / S&P 9.40% / 5.36% |
LoseAMPH / S&P -925.00% / 2.99% |
Non-scoringAMPH / S&P 15.18% / 12.81% | Non-scoringAMPH / S&P 18.36 / 22.78 | Non-scoringAMPH / S&P 2.36 / 3.53 | Non-scoringAMPH / S&P AMPH unavailable / $3.08m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.05b |
| 2019-Q31/3 |
LoseAMPH / S&P -6.06% / 1.70% |
WinAMPH / S&P 23.85% / 5.02% |
LoseAMPH / S&P -850.00% / 0.21% |
Non-scoringAMPH / S&P 15.77% / 12.41% | Non-scoringAMPH / S&P 18.06 / 22.44 | Non-scoringAMPH / S&P 2.40 / 3.30 | Non-scoringAMPH / S&P AMPH unavailable / $3.08m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.09b |
| 2019-Q21/3 |
LoseAMPH / S&P 3.33% / 4.30% |
WinAMPH / S&P 30.80% / 6.64% |
LoseAMPH / S&P -663.16% / 8.65% |
Non-scoringAMPH / S&P 16.33% / 12.79% | Non-scoringAMPH / S&P 18.84 / 21.37 | Non-scoringAMPH / S&P 2.57 / 3.32 | Non-scoringAMPH / S&P AMPH unavailable / $3.08m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.27b |
| 2019-Q11/3 |
LoseAMPH / S&P 2.66% / 13.65% |
WinAMPH / S&P 30.66% / 8.12% |
LoseAMPH / S&P -155.56% / 14.29% |
Non-scoringAMPH / S&P 0.72% / 12.97% | Non-scoringAMPH / S&P 423.70 / 20.86 | Non-scoringAMPH / S&P 2.87 / 3.26 | Non-scoringAMPH / S&P AMPH unavailable / $3.08m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $34.35b |
| 2018-Q42/3 |
WinAMPH / S&P 3.43% / -13.52% |
WinAMPH / S&P 22.69% / 9.05% |
LoseAMPH / S&P -250.00% / 18.23% |
Non-scoringAMPH / S&P -1.95% / 13.10% | Non-scoringAMPH / S&P AMPH unavailable / 19.39 | Non-scoringAMPH / S&P 2.79 / 2.94 | Non-scoringAMPH / S&P AMPH unavailable / $3.00m | Non-scoringAMPH / S&P AMPH unavailable / $0.01b | Non-scoringAMPH / S&P AMPH unavailable / $0.00b |
| 2018-Q32/3 |
WinAMPH / S&P 26.08% / 7.71% |
LoseAMPH / S&P 9.07% / 10.21% |
WinAMPH / S&P 600.00% / 19.06% |
Non-scoringAMPH / S&P -2.57% / 13.01% | Non-scoringAMPH / S&P AMPH unavailable / 22.25 | Non-scoringAMPH / S&P 2.78 / 3.45 | Non-scoringAMPH / S&P AMPH unavailable / $3.00m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.17b |
| 2018-Q20/3 |
LoseAMPH / S&P -18.61% / 3.43% |
LoseAMPH / S&P -0.75% / 9.03% |
LoseAMPH / S&P -416.67% / 14.46% |
Non-scoringAMPH / S&P -3.68% / 12.56% | Non-scoringAMPH / S&P AMPH unavailable / 22.49 | Non-scoringAMPH / S&P 2.21 / 3.25 | Non-scoringAMPH / S&P AMPH unavailable / $3.00m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.19b |
| 2018-Q10/3 |
LoseAMPH / S&P -2.55% / -0.76% |
LoseAMPH / S&P -4.19% / 7.68% |
LoseAMPH / S&P -152.94% / 12.46% |
Non-scoringAMPH / S&P -1.77% / 12.27% | Non-scoringAMPH / S&P AMPH unavailable / 23.41 | Non-scoringAMPH / S&P 2.67 / 3.17 | Non-scoringAMPH / S&P AMPH unavailable / $3.00m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.08b |
| 2017-Q41/3 |
WinAMPH / S&P 7.67% / 6.64% |
LoseAMPH / S&P -5.87% / 7.03% |
LoseAMPH / S&P -60.00% / 13.82% |
Non-scoringAMPH / S&P 1.56% / 12.09% | Non-scoringAMPH / S&P 239.15 / 24.25 | Non-scoringAMPH / S&P 2.69 / 3.23 | Non-scoringAMPH / S&P AMPH unavailable / $2.92m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.05b |
| 2017-Q30/3 |
LoseAMPH / S&P 0.06% / 4.48% |
LoseAMPH / S&P -9.39% / 5.68% |
LoseAMPH / S&P -104.44% / 17.57% |
Non-scoringAMPH / S&P -0.20% / 12.04% | Non-scoringAMPH / S&P AMPH unavailable / 23.28 | Non-scoringAMPH / S&P 2.48 / 3.08 | Non-scoringAMPH / S&P AMPH unavailable / $2.92m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.11b |
| 2017-Q21/3 |
WinAMPH / S&P 23.17% / 3.09% |
LoseAMPH / S&P -6.92% / 4.83% |
LoseAMPH / S&P -80.00% / 17.74% |
Non-scoringAMPH / S&P 1.32% / 11.96% | Non-scoringAMPH / S&P 250.23 / 23.40 | Non-scoringAMPH / S&P 2.48 / 3.03 | Non-scoringAMPH / S&P AMPH unavailable / $2.92m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.08b |
| 2017-Q11/3 |
LoseAMPH / S&P -21.28% / 6.07% |
LoseAMPH / S&P -0.60% / 3.67% |
WinAMPH / S&P 1224979098644774912.00% / 13.32% |
Non-scoringAMPH / S&P 3.26% / 11.75% | Non-scoringAMPH / S&P 81.03 / 23.60 | Non-scoringAMPH / S&P 2.05 / 3.01 | Non-scoringAMPH / S&P AMPH unavailable / $2.92m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $20.24b |
| 2016-Q40/3 |
LoseAMPH / S&P -2.90% / 3.82% |
LoseAMPH / S&P 1.45% / 2.09% |
LoseAMPH / S&P -433.33% / 7.05% |
Non-scoringAMPH / S&P 3.85% / 11.37% | Non-scoringAMPH / S&P 86.75 / 23.76 | Non-scoringAMPH / S&P 2.59 / 2.91 | Non-scoringAMPH / S&P AMPH unavailable / $2.88m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $1.11b |
| 2016-Q32/3 |
WinAMPH / S&P 17.68% / 3.85% |
WinAMPH / S&P 16.51% / 0.20% |
LoseAMPH / S&P -260.71% / -3.15% |
Non-scoringAMPH / S&P 7.75% / 10.82% | Non-scoringAMPH / S&P 41.97 / 24.22 | Non-scoringAMPH / S&P 2.66 / 2.78 | Non-scoringAMPH / S&P AMPH unavailable / $2.88m | Non-scoringAMPH / S&P AMPH unavailable / $0.00b | Non-scoringAMPH / S&P AMPH unavailable / $0.16b |
Dividend-reinvested, split-adjusted total return
1Y · 2025-08-29 to 2026-08-27
| Metric | AMPH total return | S&P 500 Total Return Index |
|---|---|---|
| Total return | -28.54% | 20.78% |
| Annualized return | -28.54% | 20.78% |
5Y · 2021-09-01 to 2026-08-27
| Metric | AMPH total return | S&P 500 Total Return Index |
|---|---|---|
| Total return | 10.84% | 83.14% |
| Annualized return | 2.08% | 12.86% |
10Y · 2016-09-01 to 2026-08-27
| Metric | AMPH total return | S&P 500 Total Return Index |
|---|---|---|
| Total return | 15.22% | 319.30% |
| Annualized return | 1.43% | 15.41% |
Calculation rules
- window
- Latest 40 completed benchmark quarters; unavailable issuer evidence remains visible and scores 0.
- return Basis
- Issuer adjusted close reinvests distributions and normalizes splits; the S&P 500 Total Return Index is the direct benchmark.
- point Rule
- Strict same-quarter win = 1. Loss, tie or unavailable evidence = 0. No partial or subjective points.
- frequency
- Quarter endpoints only.
- fundamentals
- Trailing-four-quarter issuer revenue and EPS growth use the issuer's normalized government-filed facts.
- non Scoring
- Net margin, P/E, P/B and other gray context columns never enter the score.
Snapshot captured 2026-09-04.