Nasdaq · ACIW · stock
Aci Worldwide, INC. (ACIW) stock price history
Every Nasdaq trading session of Aci Worldwide, INC. from Feb 24, 1995 to Sep 28, 2026: 7,950 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
ACIW adjusted close, 1995 to 2026
- $60.18
- All time high, 2026
- $61.08
- 52 week high, $38.05 low
- 7,950
- Daily sessions since 1995
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1995 to 2026 series and minute bars.
ACIW key facts
- Aci Worldwide, INC. (ACIW) closed at $49.00 on Sep 28, 2026 on Nasdaq.
- ACIW's all time high close is $60.18, set on Jul 29, 2026; its all time low close is $1.67 on Oct 10, 2002.
- ACIW's 52 week range is $38.05 to $61.08.
- ACIW returned -6.2% over the year to Sep 28, 2026 and +60.2% over five years.
- Over ten years ACIW returned +154%, +9.8% a year compounded.
- ACIW's deepest drawdown was -90.1% from Jan 26, 1999 to Oct 10, 2002.
- DataCedar holds 7,950 daily sessions of ACIW history from Feb 24, 1995 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
ACIW price chart, 1995 to 2026
ACIW returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -9.0% |
| 3 months | -0.5% |
| 6 months | +22.9% |
| Year to date | +1.8% |
| 1 year | -6.2% |
| 3 years | +118.5% |
| 5 years | +60.2% |
| 10 years | +153.9% |
| Since Feb 24, 1995 | +1,545% |
| Compound annual growth, 31.6 years | +9.3% |
ACIW records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $60.18 on Jul 29, 2026
- All time low close
- $1.67 on Oct 10, 2002
- 52 week high
- $61.08 on Jul 29, 2026
- 52 week low
- $38.05 on Feb 26, 2026
- Deepest drawdown
- -90.1% from Jan 26, 1999 to Oct 10, 2002, recovered Aug 12, 2013
- Best single session
- +43.7% on Feb 24, 2000
- Worst single session
- -46.7% on Apr 26, 2000
- Volatility, 1 year annualised
- 34.5%
- Sessions closing higher, 1 year
- 52%
- Growth of 1 since 1995
- 16.4×
- Best calendar year
- 2003, +243%
- Worst calendar year
- 2000, -59%
ACIW price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 1995 starts on Feb 24, 1995; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $48.01 | $61.08 | $38.05 | $49.00 | +2.5% | 162M | 185 |
| 2025 | $52.56 | $58.14 | $40.45 | $47.81 | -7.9% | 190.4M | 250 |
| 2024 | $30.28 | $59.71 | $28.79 | $51.91 | +69.6% | 167.5M | 252 |
| 2023 | $23.21 | $30.91 | $19.56 | $30.60 | +33.0% | 192.1M | 250 |
| 2022 | $34.92 | $35.87 | $19.68 | $23.00 | -33.7% | 192.3M | 251 |
| 2021 | $38.68 | $43.23 | $28.39 | $34.70 | -9.7% | 165.4M | 252 |
| 2020 | $38.08 | $39.99 | $20.03 | $38.43 | +1.4% | 222.4M | 253 |
| 2019 | $27.39 | $38.12 | $25.12 | $37.89 | +36.9% | 172.6M | 252 |
| 2018 | $22.54 | $30.25 | $20.23 | $27.67 | +22.1% | 151M | 251 |
| 2017 | $18.44 | $25.00 | $18.20 | $22.67 | +24.9% | 118.3M | 251 |
| 2016 | $21.18 | $23.20 | $15.07 | $18.15 | -15.2% | 130.1M | 252 |
| 2015 | $20.29 | $25.80 | $17.78 | $21.40 | +6.1% | 138.4M | 252 |
| 2014 | $21.61 | $21.65 | $17.32 | $20.17 | -6.9% | 184.8M | 252 |
| 2013 | $14.80 | $21.98 | $14.25 | $21.67 | +48.8% | 201.6M | 252 |
| 2012 | $9.75 | $15.63 | $9.30 | $14.56 | +52.5% | 225.7M | 250 |
| 2011 | $9.06 | $12.64 | $8.08 | $9.55 | +6.6% | 172.2M | 252 |
| 2010 | $5.75 | $9.41 | $5.03 | $8.96 | +56.7% | 114.8M | 252 |
| 2009 | $5.32 | $6.93 | $4.34 | $5.72 | +7.9% | 184M | 252 |
| 2008 | $6.33 | $7.73 | $2.95 | $5.30 | -16.5% | 292.8M | 253 |
| 2007 | $10.85 | $12.91 | $5.50 | $6.35 | -41.5% | 400.9M | 251 |
| 2006 | $9.64 | $14.33 | $9.35 | $10.86 | +13.1% | 248.9M | 251 |
| 2005 | $6.70 | $10.22 | $5.85 | $9.60 | +45.0% | 197M | 252 |
| 2004 | $7.42 | $8.49 | $4.88 | $6.62 | -10.9% | 224.5M | 252 |
| 2003 | $2.20 | $7.77 | $1.42 | $7.42 | +242.6% | 205M | 252 |
| 2002 | $4.05 | $4.26 | $1.60 | $2.17 | -47.0% | 131.3M | 252 |
| 2001 | $3.85 | $5.17 | $1.90 | $4.09 | +6.0% | 161.2M | 248 |
| 2000 | $9.33 | $16.04 | $3.58 | $3.85 | -58.7% | 455.7M | 252 |
| 1999 | $16.63 | $17.00 | $6.75 | $9.33 | -44.0% | 375.6M | 252 |
| 1998 | $12.73 | $16.83 | $9.02 | $16.67 | +31.6% | 150M | 252 |
| 1997 | $11.08 | $15.00 | $7.67 | $12.67 | +14.3% | 134.1M | 253 |
| 1996 | $5.46 | $15.25 | $5.46 | $11.08 | +97.0% | 102.3M | 254 |
| 1995 | $3.10 | $5.63 | $2.96 | $5.63 | n/a | 78.7M | 215 |
ACIW monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $49.00 | -8.0% |
| August 2026 | $53.28 | -7.1% |
| July 2026 | $57.33 | +14.0% |
| June 2026 | $50.29 | +15.2% |
| May 2026 | $43.67 | +1.0% |
| April 2026 | $43.22 | +5.4% |
| March 2026 | $41.01 | +3.4% |
| February 2026 | $39.68 | -8.5% |
| January 2026 | $43.36 | -9.3% |
| December 2025 | $47.81 | +2.0% |
| November 2025 | $46.86 | -1.6% |
| October 2025 | $47.63 | -9.7% |
About the ACIW data
Daily bars. 7,950 sessions from Feb 24, 1995 to Sep 28, 2026, one row per Nasdaq trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Jul 13, 2026 forward, most recent session Sep 28, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are Nasdaq trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Feb 24, 1995, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/ACIW/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
ACIW share price history
