Adicet Bio Stock Price History
NASDAQ: ACETHealth CareBiotechnology: Pharmaceutical PreparationsUSD
5.61-0.13 (-2.26%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
ACET price history at a glance
The price history for Adicet Bio (ACET) on this page begins on January 22, 2018, when the stock closed at $1,890.56; it most recently closed at $5.61 on October 5, 2026. The highest price in this record is $2,362.86, reached on February 26, 2018; the latest close is 99.8% below that peak. Across the 7 complete calendar years in the table, ACET finished higher in 2 and lower in 5. Its best year was 2020 (+37.5%) and its worst was 2019 (-83.4%).
Over roughly 9 years the share price changed -99.7%, a -48.8% compound annual price return (excluding dividends). In the last 12 months alone, ACET has lost 61.6%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2018
- $2,362.86
- Date of high
- Feb 26, 2018
- Low since 2018
- $5.55
- Date of low
- Oct 5, 2026
- 52-week high
- $17.44
- 52-week low
- $5.55
- IPO year
- 2018
- Last close
- $5.61
ACET returns
1 week
-13.69%
1 month
-41.19%
3 months
-36.47%
6 months
-17.01%
Year to date
-33.37%
1 year
-61.64%
3 years
-74.59%
5 years
-95.64%
ACET price return, excluding dividends.
ACET annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 5.61 | -36.39% |
| 2025 | 8.82 | -44.49% |
| 2024 | 15.89 | -47.46% |
| 2023 | 30.24 | -78.86% |
| 2022 | 143.04 | -48.89% |
| 2021 | 279.84 | +24.48% |
| 2020 | 224.80 | +37.48% |
| 2019 | 163.52 | -83.37% |
| 2018* | 983.36 | -47.99% |
* Partial year: the record begins after the start of 2018; return measured from the first available close.
2026 return is year to date.
ACET daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 5.72 | 6.05 | 5.61 | 5.61 | -2.26% | |
| 6.16 | 6.17 | 5.55 | 5.74 | -7.12% | |
| 6.21 | 6.41 | 6.12 | 6.18 | -1.12% | |
| 6.52 | 6.55 | 6.21 | 6.25 | -3.40% | |
| 6.53 | 6.69 | 6.28 | 6.47 | -0.46% | |
| 6.70 | 6.82 | 6.50 | 6.50 | -2.11% | |
| 7.06 | 7.17 | 6.64 | 6.64 | -7.00% | |
| 6.80 | 7.28 | 6.71 | 7.14 | +4.54% | |
| 6.41 | 7.06 | 6.37 | 6.83 | +7.56% | |
| 7.96 | 7.96 | 6.25 | 6.35 | -29.60% | |
| 8.29 | 9.11 | 8.29 | 9.02 | +9.07% | |
| 8.49 | 8.49 | 7.89 | 8.27 | -2.59% | |
| 9.12 | 9.31 | 8.42 | 8.49 | -7.16% | |
| 9.00 | 9.44 | 8.98 | 9.15 | +2.41% | |
| 9.23 | 9.24 | 8.78 | 8.93 | -2.72% | |
| 8.96 | 9.41 | 8.76 | 9.18 | +1.89% | |
| 9.20 | 9.33 | 8.86 | 9.01 | -0.44% | |
| 8.52 | 9.44 | 8.45 | 9.05 | +6.41% | |
| 9.70 | 9.70 | 7.91 | 8.51 | -12.32% | |
| 9.51 | 9.84 | 9.42 | 9.70 | +1.89% | |
| 9.65 | 9.80 | 9.38 | 9.52 | -0.10% | |
| 9.46 | 9.68 | 9.31 | 9.53 | -0.10% | |
| 9.67 | 9.95 | 9.44 | 9.54 | -1.95% | |
| 9.61 | 9.97 | 9.38 | 9.73 | +1.46% | |
| 9.33 | 9.76 | 9.26 | 9.59 | +1.70% | |
| 9.26 | 9.64 | 9.05 | 9.43 | +1.84% | |
| 9.35 | 9.65 | 9.00 | 9.26 | 0.00% | |
| 8.87 | 9.45 | 8.77 | 9.26 | +6.44% | |
| 8.92 | 9.07 | 8.62 | 8.70 | -3.97% | |
| 9.22 | 9.25 | 8.76 | 9.06 | +0.55% | |
| 9.00 | 9.18 | 8.84 | 9.01 | +0.67% | |
| 8.98 | 9.04 | 8.63 | 8.95 | -0.56% | |
| 8.98 | 9.15 | 8.78 | 9.00 | +1.12% | |
| 9.21 | 9.21 | 8.74 | 8.90 | -3.16% | |
| 9.42 | 9.63 | 9.10 | 9.19 | -2.03% | |
| 9.62 | 9.65 | 9.08 | 9.38 | -1.16% | |
| 8.99 | 9.60 | 8.99 | 9.49 | +4.17% | |
| 8.75 | 9.22 | 8.70 | 9.11 | +4.23% | |
| 8.46 | 8.99 | 8.46 | 8.74 | +4.30% | |
| 8.30 | 8.38 | 8.15 | 8.38 | +1.45% | |
| 8.35 | 8.50 | 8.25 | 8.26 | 0.00% | |
| 8.30 | 8.35 | 8.18 | 8.26 | +0.36% | |
| 8.15 | 8.29 | 7.93 | 8.23 | +1.48% | |
| 7.96 | 8.23 | 7.85 | 8.11 | +1.63% | |
| 8.12 | 8.30 | 7.98 | 7.98 | +0.63% | |
| 8.71 | 8.88 | 7.42 | 7.93 | -13.43% | |
| 9.31 | 9.50 | 9.01 | 9.16 | -0.54% | |
| 9.35 | 9.47 | 9.19 | 9.21 | -0.32% | |
| 9.08 | 9.84 | 9.00 | 9.24 | +1.43% | |
| 8.97 | 9.21 | 8.55 | 9.11 | +0.55% | |
| 8.38 | 9.11 | 8.33 | 9.06 | +9.16% | |
| 8.28 | 8.43 | 8.09 | 8.30 | +1.22% | |
| 8.10 | 8.46 | 7.78 | 8.20 | +1.74% | |
| 7.84 | 8.26 | 7.74 | 8.06 | +3.47% | |
| 8.39 | 8.39 | 7.75 | 7.79 | -7.48% | |
| 8.35 | 8.56 | 8.14 | 8.42 | -1.75% | |
| 8.07 | 8.63 | 8.00 | 8.57 | +5.54% | |
| 7.96 | 8.31 | 7.91 | 8.12 | +2.92% | |
| 7.96 | 8.13 | 7.76 | 7.89 | -2.83% | |
| 8.16 | 8.27 | 7.95 | 8.12 | -1.22% | |
| 8.60 | 8.67 | 7.95 | 8.22 | -5.30% | |
| 8.79 | 8.88 | 8.44 | 8.68 | -1.70% | |
| 8.64 | 9.08 | 8.51 | 8.83 | +3.27% | |
| 8.79 | 9.15 | 8.55 | 8.55 | -3.17% | |
| 8.95 | 8.98 | 8.68 | 8.83 | -1.23% | |
| 9.25 | 9.32 | 8.88 | 8.94 | -3.35% | |
| 8.53 | 9.31 | 8.53 | 9.25 | +7.56% | |
| 9.13 | 9.13 | 8.49 | 8.60 | -5.18% | |
| 9.10 | 9.42 | 9.06 | 9.07 | +0.78% | |
| 8.73 | 9.39 | 8.70 | 9.00 | +4.41% | |
| 8.58 | 9.02 | 8.40 | 8.62 | -0.23% | |
| 8.58 | 8.81 | 8.47 | 8.64 | +0.93% | |
| 8.38 | 8.62 | 8.34 | 8.56 | +2.27% | |
| 7.86 | 8.37 | 7.86 | 8.37 | +5.95% | |
| 8.25 | 8.30 | 7.88 | 7.90 | -4.24% | |
| 8.21 | 8.43 | 8.12 | 8.25 | +1.23% | |
| 8.07 | 8.44 | 8.07 | 8.15 | -0.97% | |
| 8.08 | 8.40 | 8.08 | 8.23 | +1.60% | |
| 8.02 | 8.15 | 8.02 | 8.10 | 0.00% | |
| 7.86 | 8.33 | 7.79 | 8.10 | +4.38% | |
| 8.12 | 8.13 | 7.72 | 7.76 | -4.32% | |
| 8.12 | 8.37 | 8.11 | 8.11 | +0.75% | |
| 7.63 | 8.33 | 7.44 | 8.05 | +6.62% | |
| 7.39 | 7.74 | 7.31 | 7.55 | +3.28% | |
| 7.27 | 7.42 | 7.24 | 7.31 | 0.00% | |
| 7.35 | 7.55 | 7.02 | 7.31 | +1.25% | |
| 7.46 | 7.46 | 7.13 | 7.22 | -0.55% | |
| 8.05 | 8.06 | 7.26 | 7.26 | -10.92% | |
| 7.89 | 8.34 | 7.86 | 8.15 | +4.09% | |
| 8.06 | 8.29 | 7.64 | 7.83 | -3.45% | |
| 8.66 | 8.67 | 8.11 | 8.11 | -7.63% | |
| 9.32 | 9.32 | 8.74 | 8.78 | -5.69% | |
| 8.64 | 9.47 | 8.52 | 9.31 | +7.75% | |
| 8.38 | 8.74 | 8.29 | 8.64 | +1.65% | |
| 8.36 | 8.68 | 8.18 | 8.50 | +2.04% | |
| 8.44 | 8.62 | 8.03 | 8.33 | +0.36% | |
| 7.90 | 8.35 | 7.90 | 8.30 | +5.20% | |
| 7.71 | 8.03 | 7.47 | 7.89 | +1.68% | |
| 7.25 | 7.91 | 7.23 | 7.76 | +7.03% | |
| 7.50 | 7.50 | 7.09 | 7.25 | -3.33% | |
| 7.60 | 7.76 | 7.32 | 7.50 | -2.34% | |
| 8.25 | 8.25 | 7.57 | 7.68 | -8.68% | |
| 8.15 | 8.61 | 7.75 | 8.41 | +4.21% | |
| 7.87 | 8.16 | 7.60 | 8.07 | +1.51% | |
| 8.17 | 8.17 | 7.81 | 7.95 | -2.69% | |
| 8.45 | 8.71 | 8.08 | 8.17 | -4.44% | |
| 8.46 | 8.90 | 8.35 | 8.55 | +2.76% | |
| 8.55 | 8.66 | 8.24 | 8.32 | -2.69% | |
| 8.51 | 8.77 | 8.37 | 8.55 | +0.47% | |
| 8.61 | 8.88 | 8.33 | 8.51 | +0.71% | |
| 8.20 | 8.53 | 8.06 | 8.45 | +3.05% | |
| 7.55 | 8.30 | 7.45 | 8.20 | +8.61% | |
| 7.60 | 7.71 | 7.45 | 7.55 | -1.05% | |
| 7.64 | 7.80 | 7.29 | 7.63 | -0.52% | |
| 7.78 | 7.92 | 7.55 | 7.67 | -3.28% | |
| 8.02 | 8.20 | 7.85 | 7.93 | +0.38% | |
| 7.96 | 7.96 | 7.77 | 7.90 | 0.00% | |
| 8.29 | 8.32 | 7.90 | 7.90 | -4.93% | |
| 8.22 | 8.42 | 8.14 | 8.31 | +3.10% | |
| 8.68 | 8.68 | 7.96 | 8.06 | -7.04% | |
| 8.23 | 8.79 | 8.17 | 8.67 | +5.47% | |
| 8.30 | 8.47 | 8.15 | 8.22 | +2.11% | |
| 8.16 | 8.20 | 7.70 | 8.05 | +1.64% | |
| 7.06 | 7.99 | 6.77 | 7.92 | +13.14% | |
| 6.84 | 7.10 | 6.79 | 7.00 | +10.24% | |
| 6.67 | 6.67 | 6.05 | 6.35 | -6.07% | |
| 6.89 | 6.90 | 6.68 | 6.76 | -1.46% | |
| 6.55 | 6.97 | 6.51 | 6.86 | +4.73% | |
| 6.67 | 6.71 | 6.17 | 6.55 | +1.87% | |
| 6.84 | 6.86 | 6.35 | 6.43 | -6.81% | |
| 6.95 | 7.09 | 6.83 | 6.90 | -1.29% | |
| 6.81 | 7.01 | 6.74 | 6.99 | +1.60% | |
| 6.88 | 7.06 | 6.85 | 6.88 | +1.03% | |
| 6.26 | 6.82 | 6.26 | 6.81 | +11.46% | |
| 6.45 | 6.49 | 6.01 | 6.11 | -5.56% | |
| 6.62 | 6.66 | 6.42 | 6.47 | -3.86% | |
| 6.74 | 6.91 | 6.67 | 6.73 | -1.17% | |
| 6.72 | 7.00 | 6.55 | 6.81 | +1.79% | |
| 6.59 | 6.76 | 6.50 | 6.69 | +0.45% | |
| 6.82 | 6.92 | 6.49 | 6.66 | -3.76% | |
| 6.97 | 7.12 | 6.83 | 6.92 | -2.12% | |
| 6.89 | 7.09 | 6.82 | 7.07 | +2.02% | |
| 7.07 | 7.14 | 6.80 | 6.93 | -3.62% | |
| 7.25 | 7.35 | 7.11 | 7.19 | +0.28% | |
| 7.33 | 7.45 | 7.14 | 7.17 | -0.55% | |
| 6.98 | 7.69 | 6.98 | 7.21 | +2.41% | |
| 7.41 | 7.44 | 6.97 | 7.04 | -5.76% | |
| 7.53 | 7.69 | 7.15 | 7.47 | -0.80% | |
| 7.60 | 8.12 | 7.40 | 7.53 | -1.05% | |
| 7.20 | 7.76 | 7.05 | 7.61 | +4.39% | |
| 7.30 | 7.37 | 7.06 | 7.29 | -2.28% | |
| 7.57 | 7.63 | 7.33 | 7.46 | -1.45% | |
| 7.10 | 7.60 | 7.09 | 7.57 | +7.83% | |
| 7.01 | 7.13 | 6.67 | 7.02 | -3.70% | |
| 7.09 | 7.34 | 7.00 | 7.29 | +0.55% | |
| 7.20 | 7.47 | 7.09 | 7.25 | -0.96% | |
| 7.45 | 7.45 | 6.92 | 7.32 | -1.21% | |
| 7.37 | 7.59 | 7.25 | 7.41 | +0.68% | |
| 6.88 | 7.50 | 6.88 | 7.36 | +6.20% | |
| 7.14 | 7.34 | 6.85 | 6.93 | -2.94% | |
| 7.29 | 7.58 | 7.02 | 7.14 | -4.03% | |
| 6.93 | 7.44 | 6.81 | 7.44 | +5.38% | |
| 6.94 | 7.20 | 6.80 | 7.06 | +0.28% | |
| 6.86 | 7.08 | 6.50 | 7.04 | +1.88% | |
| 6.76 | 7.30 | 6.72 | 6.91 | +2.83% | |
| 6.82 | 7.00 | 6.42 | 6.72 | -1.32% | |
| 7.17 | 7.47 | 6.60 | 6.81 | -4.49% | |
| 7.20 | 7.56 | 7.12 | 7.13 | -1.66% | |
| 6.91 | 8.35 | 6.58 | 7.25 | +3.13% | |
| 6.55 | 7.03 | 6.55 | 7.03 | +9.16% | |
| 7.35 | 7.35 | 6.41 | 6.44 | -13.32% | |
| 7.70 | 7.85 | 7.36 | 7.43 | -3.51% | |
| 7.96 | 8.10 | 7.64 | 7.70 | -3.51% | |
| 7.90 | 8.14 | 7.81 | 7.98 | -0.13% | |
| 8.41 | 8.50 | 7.88 | 7.99 | -6.00% | |
| 8.45 | 8.52 | 8.26 | 8.50 | +0.59% | |
| 8.54 | 8.55 | 8.28 | 8.45 | -1.05% | |
| 8.68 | 8.95 | 8.18 | 8.54 | -1.84% | |
| 8.47 | 9.00 | 8.35 | 8.70 | +3.08% | |
| 8.31 | 8.53 | 8.17 | 8.44 | +0.48% | |
| 8.16 | 8.45 | 8.05 | 8.40 | +4.09% | |
| 8.13 | 8.55 | 7.76 | 8.07 | +2.15% | |
| 8.12 | 8.18 | 7.83 | 7.90 | -4.59% | |
| 7.90 | 8.30 | 7.87 | 8.28 | +4.28% | |
| 8.30 | 8.50 | 7.90 | 7.94 | -4.22% | |
| 8.33 | 8.56 | 8.20 | 8.29 | 0.00% | |
| 7.78 | 8.32 | 7.72 | 8.29 | +6.15% | |
| 8.05 | 8.08 | 7.70 | 7.81 | -2.74% | |
| 8.17 | 8.22 | 7.93 | 8.03 | -0.74% | |
| 8.34 | 8.40 | 8.02 | 8.09 | -4.26% | |
| 8.07 | 8.55 | 8.07 | 8.45 | +4.97% | |
| 8.10 | 8.25 | 7.97 | 8.05 | -1.23% | |
| 8.83 | 9.05 | 7.94 | 8.15 | -7.60% | |
| 8.43 | 8.82 | 8.33 | 8.82 | +4.75% | |
| 7.84 | 8.84 | 7.84 | 8.42 | +6.18% | |
| 7.97 | 8.32 | 7.62 | 7.93 | +0.74% | |
| 8.03 | 8.24 | 7.84 | 7.87 | -5.38% | |
| 7.54 | 8.37 | 7.52 | 8.32 | +0.19% | |
| 7.78 | 8.32 | 7.78 | 8.30 | +6.79% | |
| 7.84 | 7.97 | 7.55 | 7.78 | -1.22% | |
| 7.84 | 8.29 | 7.74 | 7.87 | -0.40% | |
| 7.46 | 8.18 | 7.36 | 7.90 | +5.11% | |
| 7.65 | 7.94 | 7.52 | 7.52 | 0.00% | |
| 7.57 | 8.00 | 7.46 | 7.52 | +1.08% | |
| 8.00 | 8.05 | 7.39 | 7.44 | -6.06% | |
| 8.26 | 8.32 | 7.84 | 7.92 | -0.80% | |
| 8.16 | 8.42 | 7.84 | 7.98 | -3.48% | |
| 8.51 | 8.80 | 8.24 | 8.27 | -5.83% | |
| 9.06 | 9.42 | 8.32 | 8.78 | +2.43% | |
| 8.40 | 8.69 | 8.24 | 8.58 | +2.29% | |
| 8.64 | 8.80 | 8.00 | 8.38 | -1.87% | |
| 8.56 | 8.80 | 8.51 | 8.54 | -3.78% | |
| 8.69 | 9.15 | 8.56 | 8.88 | +3.35% | |
| 8.96 | 8.99 | 8.40 | 8.59 | -4.11% | |
| 9.76 | 9.84 | 8.77 | 8.96 | -8.20% | |
| 10.56 | 10.56 | 9.71 | 9.76 | -5.86% | |
| 10.06 | 11.15 | 9.94 | 10.37 | +7.82% | |
| 9.66 | 10.08 | 9.26 | 9.62 | +0.17% | |
| 10.13 | 10.29 | 9.55 | 9.60 | -1.96% | |
| 10.05 | 10.75 | 9.66 | 9.79 | +1.66% | |
| 9.25 | 10.02 | 9.23 | 9.63 | +4.15% | |
| 9.28 | 9.92 | 9.20 | 9.25 | +0.17% | |
| 9.60 | 9.95 | 9.06 | 9.23 | -3.99% | |
| 10.46 | 10.46 | 9.44 | 9.62 | +1.35% | |
| 10.56 | 10.98 | 9.42 | 9.49 | -10.42% | |
| 10.40 | 11.14 | 10.32 | 10.59 | -0.15% | |
| 10.83 | 11.20 | 10.11 | 10.61 | -3.49% | |
| 10.34 | 11.04 | 10.32 | 10.99 | +6.35% | |
| 10.72 | 10.83 | 10.24 | 10.34 | -1.67% | |
| 10.40 | 11.20 | 10.16 | 10.51 | +2.66% | |
| 10.72 | 10.88 | 9.65 | 10.24 | -5.47% | |
| 11.04 | 11.38 | 10.61 | 10.83 | -1.88% | |
| 11.06 | 11.36 | 10.59 | 11.04 | 0.00% | |
| 11.62 | 11.82 | 10.72 | 11.04 | -5.48% | |
| 12.00 | 12.32 | 11.42 | 11.68 | -2.67% | |
| 12.53 | 12.94 | 11.68 | 12.00 | -3.72% | |
| 12.37 | 12.96 | 12.06 | 12.46 | +3.73% | |
| 13.76 | 13.98 | 12.00 | 12.02 | -12.27% | |
| 14.56 | 14.56 | 13.58 | 13.70 | -5.10% | |
| 14.26 | 14.56 | 13.28 | 14.43 | +1.35% | |
| 13.97 | 14.98 | 13.92 | 14.24 | +3.37% | |
| 14.59 | 14.61 | 13.68 | 13.78 | -5.59% | |
| 14.40 | 14.75 | 13.78 | 14.59 | -1.08% | |
| 15.84 | 16.48 | 14.40 | 14.75 | -6.77% | |
| 16.16 | 16.32 | 15.38 | 15.82 | -0.10% | |
| 16.96 | 16.96 | 15.04 | 15.84 | -4.81% | |
| 16.24 | 17.04 | 16.00 | 16.64 | +5.48% | |
| 15.20 | 16.00 | 15.01 | 15.78 | +2.71% | |
| 15.68 | 16.16 | 14.32 | 15.36 | -1.94% | |
| 16.64 | 17.44 | 14.69 | 15.66 | +1.24% | |
| 14.72 | 15.97 | 13.73 | 15.47 | +5.80% | |
| 15.20 | 15.98 | 14.11 | 14.62 | -1.61% | |
| 13.76 | 15.20 | 13.55 | 14.86 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the ACET chart for longer ranges.