ACI Worldwide Stock Price History
NASDAQ: ACIWTechnologyComputer Software: Prepackaged SoftwareUSD
50.87-0.20 (-0.39%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
ACIW price history at a glance
The price history for ACI Worldwide (ACIW) on this page begins on February 20, 1995, when the stock closed at $2.98; it most recently closed at $50.87 on October 5, 2026. The highest price in this record is $61.08, reached on July 27, 2026; the latest close is 16.7% below that peak. Across the 30 complete calendar years in the table, ACIW finished higher in 19 and lower in 11. Its best year was 2003 (+235.8%) and its worst was 2000 (-58.7%).
Over roughly 32 years the share price changed +1607.5%, a 9.4% compound annual price return (excluding dividends). In the last 12 months alone, ACIW has lost 2.9%. 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 1995
- $61.08
- Date of high
- Jul 27, 2026
- Low since 1995
- $1.42
- Date of low
- Feb 10, 2003
- 52-week high
- $61.08
- 52-week low
- $38.05
- Last close
- $50.87
ACIW returns
1 week
+1.44%
1 month
-2.10%
3 months
-9.84%
6 months
+27.53%
Year to date
+6.40%
1 year
-2.88%
3 years
+151.09%
5 years
+63.04%
ACIW price return, excluding dividends.
ACIW annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 50.87 | +11.39% |
| 2025 | 45.67 | -14.17% |
| 2024 | 53.21 | +73.89% |
| 2023 | 30.60 | +33.04% |
| 2022 | 23.00 | -33.72% |
| 2021 | 34.70 | -9.71% |
| 2020 | 38.43 | +0.44% |
| 2019 | 38.26 | +46.20% |
| 2018 | 26.17 | +15.44% |
| 2017 | 22.67 | +24.90% |
| 2016 | 18.15 | -15.19% |
| 2015 | 21.40 | +8.57% |
| 2014 | 19.71 | -8.10% |
| 2013 | 21.45 | +41.31% |
| 2012 | 15.18 | +58.97% |
| 2011 | 9.55 | +6.59% |
| 2010 | 8.96 | +56.68% |
| 2009 | 5.72 | +6.72% |
| 2008 | 5.36 | -1.29% |
| 2007 | 5.43 | -50.02% |
| 2006 | 10.86 | +13.13% |
| 2005 | 9.60 | +45.04% |
| 2004 | 6.62 | -12.17% |
| 2003 | 7.53 | +235.81% |
| 2002 | 2.24 | -43.21% |
| 2001 | 3.95 | +2.49% |
| 2000 | 3.85 | -58.70% |
| 1999 | 9.33 | -44.00% |
| 1998 | 16.67 | +35.36% |
| 1997 | 12.31 | +7.07% |
| 1996 | 11.50 | +104.44% |
| 1995* | 5.63 | +88.81% |
* Partial year: the record begins after the start of 1995; return measured from the first available close.
2026 return is year to date.
ACIW daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 51.31 | 51.57 | 50.39 | 50.87 | -0.39% | |
| 50.56 | 51.15 | 50.18 | 51.07 | +0.83% | |
| 50.25 | 50.97 | 50.25 | 50.65 | -0.12% | |
| 51.60 | 51.60 | 50.19 | 50.71 | -1.00% | |
| 50.16 | 51.65 | 50.15 | 51.22 | +2.13% | |
| 50.44 | 50.91 | 49.59 | 50.15 | +0.93% | |
| 49.28 | 50.26 | 49.11 | 49.69 | +1.66% | |
| 48.20 | 49.37 | 47.81 | 48.88 | +0.60% | |
| 48.75 | 49.20 | 48.31 | 48.59 | -0.84% | |
| 48.51 | 49.18 | 48.28 | 49.00 | -1.03% | |
| 49.60 | 49.98 | 49.44 | 49.51 | -0.22% | |
| 49.71 | 49.92 | 48.84 | 49.62 | +0.81% | |
| 49.12 | 49.83 | 48.86 | 49.22 | +0.06% | |
| 50.62 | 50.78 | 48.80 | 49.19 | -0.81% | |
| 50.27 | 50.64 | 49.57 | 49.59 | -1.35% | |
| 51.31 | 51.31 | 50.00 | 50.27 | -1.78% | |
| 51.54 | 51.76 | 50.93 | 51.18 | -0.78% | |
| 50.63 | 52.02 | 50.46 | 51.58 | +0.57% | |
| 52.04 | 52.43 | 51.02 | 51.29 | -2.58% | |
| 53.18 | 53.60 | 52.19 | 52.65 | +1.08% | |
| 52.23 | 52.35 | 51.42 | 52.09 | +0.23% | |
| 51.83 | 52.18 | 51.25 | 51.97 | +0.02% | |
| 51.63 | 51.99 | 50.95 | 51.96 | -0.04% | |
| 51.95 | 52.24 | 50.77 | 51.98 | -1.83% | |
| 52.12 | 53.11 | 51.94 | 52.95 | +0.08% | |
| 53.11 | 53.73 | 52.21 | 52.91 | +0.86% | |
| 51.39 | 52.55 | 50.52 | 52.46 | +2.40% | |
| 52.67 | 53.00 | 51.05 | 51.23 | -3.85% | |
| 53.23 | 53.85 | 52.90 | 53.28 | -1.02% | |
| 54.14 | 54.59 | 53.67 | 53.83 | -0.74% | |
| 53.16 | 54.26 | 52.99 | 54.23 | +2.24% | |
| 51.87 | 53.05 | 51.64 | 53.04 | +1.22% | |
| 52.37 | 52.70 | 51.72 | 52.40 | -0.02% | |
| 51.94 | 52.71 | 51.94 | 52.41 | +1.06% | |
| 51.55 | 52.51 | 51.31 | 51.86 | +0.56% | |
| 51.79 | 52.08 | 51.38 | 51.57 | -0.77% | |
| 52.21 | 53.00 | 51.77 | 51.97 | -0.38% | |
| 52.68 | 53.50 | 51.83 | 52.17 | +0.08% | |
| 52.62 | 53.11 | 51.86 | 52.13 | -2.45% | |
| 53.96 | 54.13 | 52.49 | 53.44 | -0.41% | |
| 53.20 | 53.75 | 52.06 | 53.66 | +1.73% | |
| 51.70 | 52.78 | 51.60 | 52.75 | +0.98% | |
| 52.49 | 53.07 | 51.98 | 52.24 | -1.15% | |
| 52.50 | 53.40 | 51.87 | 52.85 | -1.53% | |
| 54.66 | 55.44 | 52.85 | 53.67 | -2.81% | |
| 52.90 | 57.01 | 51.07 | 55.22 | -4.45% | |
| 58.77 | 59.11 | 56.80 | 57.79 | +1.03% | |
| 56.84 | 57.53 | 55.73 | 57.20 | -0.30% | |
| 58.39 | 59.30 | 56.62 | 57.37 | +0.07% | |
| 57.00 | 57.72 | 56.68 | 57.33 | -0.62% | |
| 59.15 | 59.24 | 57.37 | 57.69 | -4.14% | |
| 60.06 | 61.08 | 59.68 | 60.18 | +0.35% | |
| 58.63 | 60.53 | 58.63 | 59.97 | +3.61% | |
| 57.27 | 58.21 | 57.00 | 57.88 | +2.79% | |
| 55.16 | 56.76 | 55.11 | 56.31 | +3.26% | |
| 54.64 | 55.28 | 53.98 | 54.53 | -0.33% | |
| 56.36 | 57.20 | 54.25 | 54.71 | -3.49% | |
| 55.71 | 57.00 | 55.70 | 56.69 | -0.32% | |
| 57.98 | 58.00 | 56.76 | 56.87 | -2.07% | |
| 58.17 | 60.17 | 57.57 | 58.07 | -1.02% | |
| 57.57 | 59.31 | 56.97 | 58.67 | +2.86% | |
| 55.20 | 57.27 | 55.20 | 57.04 | +3.50% | |
| 54.75 | 56.11 | 53.81 | 55.11 | -2.34% | |
| 56.91 | 57.60 | 56.35 | 56.43 | +0.02% | |
| 56.97 | 57.58 | 56.29 | 56.42 | +0.04% | |
| 54.70 | 56.54 | 54.05 | 56.40 | +0.93% | |
| 55.21 | 56.12 | 54.60 | 55.88 | +0.47% | |
| 57.03 | 57.04 | 55.60 | 55.62 | -0.55% | |
| 54.37 | 56.30 | 54.00 | 55.93 | +1.91% | |
| 52.91 | 54.95 | 52.81 | 54.88 | +4.47% | |
| 51.40 | 53.07 | 50.95 | 52.53 | +4.45% | |
| 49.19 | 50.35 | 49.01 | 50.29 | +1.58% | |
| 49.38 | 50.22 | 48.77 | 49.51 | +0.51% | |
| 47.05 | 49.63 | 47.05 | 49.26 | +5.57% | |
| 45.89 | 47.14 | 45.65 | 46.66 | +0.58% | |
| 45.04 | 47.28 | 45.04 | 46.39 | +2.70% | |
| 43.50 | 45.33 | 43.01 | 45.17 | +5.24% | |
| 43.71 | 44.75 | 42.55 | 42.92 | -2.65% | |
| 44.61 | 44.99 | 43.62 | 44.09 | -1.23% | |
| 44.95 | 46.15 | 44.51 | 44.64 | -1.89% | |
| 44.97 | 45.52 | 44.53 | 45.50 | +1.59% | |
| 45.36 | 45.65 | 44.71 | 44.79 | -0.99% | |
| 44.66 | 45.37 | 43.89 | 45.24 | +1.98% | |
| 43.37 | 44.57 | 42.79 | 44.36 | +1.44% | |
| 42.07 | 43.76 | 41.58 | 43.73 | +2.56% | |
| 42.56 | 43.18 | 42.09 | 42.64 | +0.19% | |
| 42.55 | 43.70 | 42.04 | 42.56 | -0.56% | |
| 42.36 | 43.13 | 42.03 | 42.80 | +1.04% | |
| 42.73 | 42.90 | 41.95 | 42.36 | +1.92% | |
| 43.61 | 43.61 | 40.70 | 41.56 | -4.92% | |
| 44.11 | 44.63 | 43.36 | 43.71 | -2.93% | |
| 44.34 | 45.49 | 43.51 | 45.03 | +3.11% | |
| 42.73 | 44.09 | 42.59 | 43.67 | +3.00% | |
| 42.26 | 42.73 | 42.02 | 42.40 | +0.19% | |
| 41.58 | 43.06 | 41.58 | 42.32 | -0.07% | |
| 42.17 | 42.76 | 41.84 | 42.35 | -0.87% | |
| 42.52 | 43.42 | 42.25 | 42.72 | +0.47% | |
| 42.81 | 43.03 | 41.42 | 42.52 | -1.69% | |
| 42.37 | 43.37 | 41.59 | 43.25 | +1.55% | |
| 43.39 | 44.00 | 42.32 | 42.59 | -0.49% | |
| 41.67 | 43.53 | 41.58 | 42.80 | +2.74% | |
| 41.31 | 42.23 | 40.93 | 41.66 | +1.93% | |
| 41.24 | 41.44 | 40.00 | 40.87 | +0.15% | |
| 41.70 | 42.06 | 40.54 | 40.81 | -3.25% | |
| 42.93 | 43.15 | 41.82 | 42.18 | -0.42% | |
| 44.89 | 45.30 | 42.09 | 42.36 | -6.92% | |
| 46.10 | 46.73 | 45.02 | 45.51 | -2.44% | |
| 47.30 | 48.54 | 45.46 | 46.65 | +7.81% | |
| 44.14 | 44.33 | 42.95 | 43.27 | -2.02% | |
| 44.36 | 44.56 | 43.65 | 44.16 | -0.27% | |
| 43.71 | 44.98 | 43.71 | 44.28 | +0.96% | |
| 44.05 | 44.73 | 43.31 | 43.86 | +1.48% | |
| 43.04 | 43.55 | 42.59 | 43.22 | -0.87% | |
| 43.12 | 44.03 | 43.12 | 43.60 | -0.77% | |
| 43.93 | 44.40 | 43.44 | 43.94 | +1.31% | |
| 42.84 | 44.06 | 42.37 | 43.37 | +0.42% | |
| 42.20 | 43.21 | 41.83 | 43.19 | +2.32% | |
| 43.60 | 44.57 | 41.50 | 42.21 | -4.61% | |
| 44.82 | 44.86 | 43.76 | 44.25 | +0.07% | |
| 45.21 | 46.04 | 44.06 | 44.22 | -2.06% | |
| 44.10 | 45.46 | 44.10 | 45.15 | +1.53% | |
| 44.05 | 44.99 | 43.63 | 44.47 | +3.90% | |
| 42.81 | 43.14 | 42.04 | 42.80 | +0.75% | |
| 41.70 | 42.87 | 41.70 | 42.48 | +2.48% | |
| 41.33 | 42.08 | 41.09 | 41.45 | +0.51% | |
| 39.73 | 41.37 | 39.61 | 41.24 | +3.38% | |
| 40.77 | 40.77 | 39.52 | 39.89 | -2.11% | |
| 40.93 | 40.93 | 39.35 | 40.75 | -1.52% | |
| 41.97 | 42.17 | 41.36 | 41.38 | +1.47% | |
| 41.10 | 41.34 | 40.67 | 40.78 | -0.85% | |
| 41.34 | 41.47 | 40.92 | 41.13 | -0.48% | |
| 40.64 | 41.60 | 39.80 | 41.33 | +0.90% | |
| 41.16 | 41.50 | 40.50 | 40.96 | -0.12% | |
| 40.88 | 41.30 | 40.19 | 41.01 | +1.74% | |
| 40.70 | 40.86 | 40.02 | 40.31 | +1.08% | |
| 40.25 | 40.25 | 39.31 | 39.88 | -2.40% | |
| 40.10 | 41.23 | 39.86 | 40.86 | +2.05% | |
| 40.13 | 40.80 | 38.70 | 40.04 | +0.45% | |
| 40.40 | 40.52 | 39.45 | 39.86 | -2.52% | |
| 40.47 | 41.08 | 39.93 | 40.89 | +3.68% | |
| 39.62 | 39.87 | 38.95 | 39.44 | -0.60% | |
| 39.08 | 39.84 | 38.80 | 39.68 | +1.41% | |
| 39.47 | 40.06 | 39.10 | 39.13 | -1.83% | |
| 39.77 | 41.01 | 39.67 | 39.86 | +0.78% | |
| 39.99 | 40.22 | 39.31 | 39.55 | -0.55% | |
| 40.63 | 41.47 | 39.51 | 39.77 | -1.63% | |
| 40.96 | 41.92 | 40.32 | 40.43 | -2.44% | |
| 42.30 | 42.87 | 40.77 | 41.44 | -1.50% | |
| 42.72 | 43.00 | 41.27 | 42.07 | -1.31% | |
| 42.09 | 43.01 | 40.89 | 42.63 | +0.19% | |
| 42.41 | 42.87 | 41.68 | 42.55 | -0.72% | |
| 42.37 | 42.91 | 41.69 | 42.86 | +0.99% | |
| 42.43 | 42.85 | 41.34 | 42.44 | +2.49% | |
| 40.19 | 41.94 | 39.65 | 41.41 | +2.63% | |
| 39.08 | 41.16 | 38.74 | 40.35 | +1.69% | |
| 39.59 | 40.07 | 39.24 | 39.68 | -0.30% | |
| 40.23 | 41.07 | 38.05 | 39.80 | -4.05% | |
| 39.20 | 41.66 | 38.84 | 41.48 | +6.14% | |
| 38.49 | 39.71 | 38.49 | 39.08 | +1.59% | |
| 40.78 | 41.07 | 38.20 | 38.47 | -5.90% | |
| 40.75 | 41.62 | 40.51 | 40.88 | +0.32% | |
| 40.63 | 40.81 | 40.20 | 40.75 | +0.39% | |
| 40.77 | 41.20 | 40.53 | 40.59 | +0.02% | |
| 40.31 | 41.08 | 40.17 | 40.58 | +2.58% | |
| 39.66 | 40.50 | 39.52 | 39.56 | +0.74% | |
| 40.49 | 41.25 | 38.53 | 39.27 | -2.63% | |
| 42.45 | 42.64 | 40.28 | 40.33 | -4.93% | |
| 41.97 | 42.74 | 41.83 | 42.42 | +1.41% | |
| 41.93 | 42.15 | 41.45 | 41.83 | -1.06% | |
| 41.17 | 42.40 | 41.17 | 42.28 | +3.98% | |
| 41.57 | 42.20 | 40.50 | 40.66 | -0.76% | |
| 39.26 | 41.42 | 38.89 | 40.97 | +3.67% | |
| 42.77 | 42.83 | 38.89 | 39.52 | -9.04% | |
| 43.36 | 44.51 | 43.05 | 43.45 | +0.21% | |
| 43.08 | 44.06 | 42.82 | 43.36 | +0.37% | |
| 43.32 | 43.45 | 41.86 | 43.20 | -0.69% | |
| 44.92 | 45.28 | 43.44 | 43.50 | -2.68% | |
| 44.87 | 44.87 | 43.83 | 44.70 | -0.25% | |
| 44.03 | 45.02 | 44.01 | 44.81 | +1.77% | |
| 43.73 | 44.13 | 43.34 | 44.03 | +0.69% | |
| 43.12 | 44.04 | 43.12 | 43.73 | +1.93% | |
| 42.50 | 43.30 | 42.48 | 42.90 | +1.20% | |
| 42.35 | 43.11 | 42.00 | 42.39 | -1.40% | |
| 43.49 | 44.06 | 42.65 | 42.99 | -1.15% | |
| 45.47 | 45.72 | 43.40 | 43.49 | -4.35% | |
| 45.46 | 45.67 | 44.86 | 45.47 | -0.35% | |
| 47.03 | 47.53 | 45.12 | 45.63 | -3.12% | |
| 46.47 | 47.41 | 46.05 | 47.10 | +0.71% | |
| 46.62 | 47.11 | 46.00 | 46.77 | +0.15% | |
| 45.89 | 47.08 | 45.75 | 46.70 | +1.30% | |
| 45.94 | 46.20 | 45.40 | 46.10 | +1.36% | |
| 45.86 | 45.87 | 45.24 | 45.48 | -0.98% | |
| 45.37 | 47.01 | 45.37 | 45.93 | +0.57% | |
| 48.01 | 48.01 | 45.60 | 45.67 | -4.48% | |
| 48.11 | 48.25 | 47.76 | 47.81 | -0.64% | |
| 48.44 | 48.76 | 48.09 | 48.12 | -0.99% | |
| 48.68 | 49.70 | 48.25 | 48.60 | -0.27% | |
| 48.79 | 49.10 | 48.31 | 48.73 | -0.29% | |
| 48.92 | 49.07 | 48.54 | 48.87 | +0.37% | |
| 48.69 | 49.33 | 48.33 | 48.69 | -0.51% | |
| 48.10 | 49.44 | 48.10 | 48.94 | +1.66% | |
| 48.14 | 48.57 | 47.92 | 48.14 | -0.33% | |
| 48.21 | 48.80 | 48.06 | 48.30 | +0.21% | |
| 48.03 | 48.87 | 47.76 | 48.20 | +0.31% | |
| 46.81 | 48.36 | 46.81 | 48.05 | +2.96% | |
| 47.78 | 47.78 | 46.53 | 46.67 | -1.81% | |
| 47.50 | 47.99 | 47.33 | 47.53 | +0.15% | |
| 46.89 | 47.77 | 46.30 | 47.46 | +1.41% | |
| 45.10 | 47.33 | 45.10 | 46.80 | +2.93% | |
| 45.43 | 45.97 | 45.33 | 45.47 | +0.46% | |
| 46.34 | 46.34 | 45.12 | 45.26 | -1.42% | |
| 46.25 | 46.92 | 45.83 | 45.91 | -0.95% | |
| 46.96 | 47.14 | 46.23 | 46.35 | -1.55% | |
| 46.42 | 47.13 | 46.21 | 47.08 | +1.25% | |
| 46.59 | 46.90 | 46.20 | 46.50 | +0.74% | |
| 46.35 | 46.80 | 46.01 | 46.16 | -1.49% | |
| 47.13 | 47.20 | 46.71 | 46.86 | 0.00% | |
| 47.20 | 47.51 | 46.74 | 46.86 | -0.76% | |
| 47.08 | 47.83 | 47.08 | 47.22 | +1.01% | |
| 46.62 | 47.01 | 46.16 | 46.75 | +0.30% | |
| 45.66 | 47.29 | 45.66 | 46.61 | +2.08% | |
| 47.05 | 47.54 | 45.61 | 45.66 | -1.42% | |
| 46.42 | 46.67 | 45.91 | 46.32 | +0.13% | |
| 46.03 | 46.61 | 45.73 | 46.26 | -0.09% | |
| 46.78 | 47.13 | 46.02 | 46.30 | -1.43% | |
| 46.76 | 47.10 | 46.41 | 46.97 | -0.40% | |
| 47.11 | 47.58 | 46.77 | 47.16 | -0.86% | |
| 48.22 | 48.77 | 47.47 | 47.57 | -0.90% | |
| 47.63 | 48.77 | 47.14 | 48.00 | +1.10% | |
| 48.98 | 49.15 | 47.35 | 47.48 | -3.02% | |
| 50.50 | 50.51 | 48.92 | 48.96 | -3.30% | |
| 49.20 | 52.28 | 48.53 | 50.63 | +4.95% | |
| 47.48 | 48.39 | 47.41 | 48.24 | +1.84% | |
| 47.64 | 47.72 | 46.92 | 47.37 | -0.63% | |
| 47.63 | 47.73 | 46.61 | 47.67 | +0.08% | |
| 47.05 | 47.67 | 46.86 | 47.63 | +0.85% | |
| 47.23 | 48.53 | 46.67 | 47.23 | -0.23% | |
| 49.35 | 49.56 | 46.97 | 47.34 | -4.84% | |
| 50.21 | 50.50 | 49.66 | 49.75 | -0.92% | |
| 50.87 | 50.91 | 49.98 | 50.21 | -0.38% | |
| 50.54 | 50.88 | 50.19 | 50.40 | +0.76% | |
| 49.49 | 50.18 | 49.02 | 50.02 | +1.01% | |
| 49.61 | 50.14 | 49.11 | 49.52 | -0.18% | |
| 49.32 | 50.20 | 48.56 | 49.61 | +1.22% | |
| 49.16 | 49.66 | 48.65 | 49.01 | +0.53% | |
| 47.83 | 48.88 | 47.55 | 48.75 | +1.18% | |
| 51.14 | 51.20 | 48.05 | 48.18 | -4.63% | |
| 51.71 | 52.08 | 50.28 | 50.52 | -1.86% | |
| 50.21 | 51.82 | 50.21 | 51.48 | +0.94% | |
| 51.55 | 51.55 | 50.56 | 51.00 | -0.02% | |
| 52.50 | 52.64 | 50.63 | 51.01 | -2.62% | |
| 52.89 | 52.89 | 51.64 | 52.38 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the ACIW chart for longer ranges.