ACIW: ACI Worldwide Inc.

As of Friday, September 18th, 2026

$ 50.27

-0.91 -1.78%

Open: 51.31
High: 51.31
Low: 50.00
Volume: 1,635,160
Previous Close on Thursday, September 17th, 2026

$ 51.18

-0.40 -0.78%

Open: 51.54
High: 51.76
Low: 50.93
Volume: 626,274

Historical Data

Date Open High Low Close Volume Chg %Chg
2026-09-18 51.31 51.31 50.00 50.27 1,635,160 -0.91 -1.78
2026-09-17 51.54 51.76 50.93 51.18 626,274 -0.40 -0.78
2026-09-16 50.63 52.02 50.46 51.58 635,353 +0.29 +0.57
2026-09-15 52.04 52.43 51.02 51.29 869,439 -1.36 -2.58
2026-09-14 53.18 53.60 52.19 52.65 643,056 +0.56 +1.08
2026-09-11 52.23 52.35 51.42 52.09 550,539 +0.12 +0.23
2026-09-10 51.83 52.18 51.25 51.97 693,273 +0.01 +0.02
2026-09-09 51.63 51.99 50.95 51.96 808,721 -0.02 -0.04
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Metrics and Technicals

Period High Low Chg %Chg Max Drawdown SMA
Peak Trough %Loss
Period High Low Chg %Chg MDD SMA
5D 53.60
On 2026-09-14		 50.00
On 2026-09-18		 -1.82 -3.49 53.60
On 2026-09-14		 50.00
On 2026-09-18		 -6.73 51.39
10D 53.60
On 2026-09-14		 50.00
On 2026-09-18		 -2.64 -4.99 53.60
On 2026-09-14		 50.00
On 2026-09-18		 -6.73 51.79
20D 54.59
On 2026-08-28		 50.00
On 2026-09-18		 -1.30 -2.52 54.59
On 2026-08-28		 50.00
On 2026-09-18		 -8.42 52.28
WTD 53.60
On 2026-09-14		 50.00
On 2026-09-18		 -1.82 -3.49 53.60
On 2026-09-14		 50.00
On 2026-09-18		 -6.73 51.39
MTD 53.73
On 2026-09-03		 50.00
On 2026-09-18		 -3.01 -5.65 53.73
On 2026-09-03		 50.00
On 2026-09-18		 -6.95 51.89
As of Friday, September 18th, 2026
 
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VIX

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14.81 -0.63 -4.08
 
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Markets
Ticker Last Chg %Chg Volume
DJIA

Dow Jones Industrial Average

51,682.64 -95.40 -0.18 846,991,233
DJTA

Dow Jones Transportation Average

20,079.10 -104.96 -0.52 131,541,847
SPX

S&P 500 Index

7,650.50 +12.74 +0.17
OEX

S&P 100 Index

3,811.81 +8.20 +0.22
NDX

NASDAQ 100 Index

29,644.17 +197.19 +0.67
NYA

NYSE Composite Index

23,998.76 -90.79 -0.38
XAX

NYSE AMEX Composite Index

8,602.36 -22.89 -0.27
RUI

RUSSELL 1000 Index

4,160.46 +4.08 +0.10
RUT

Russell 2000 Index

2,860.40 -14.23 -0.50
RUA

Russell 3000 Index

4,335.99 +3.22 +0.07
VIX

CBOE Volatility Index

14.81 -0.63 -4.08
VIX1Y

CBOE S&P 500 One-Year Volatility Index

21.74 +0.03 +0.14
VIX6M

CBOE S&P 500 6-Month Volatility Index

20.21 -0.08 -0.39
VIX3M

CBOE S&P 500 3-Month Volatility Index

18.24 -0.27 -1.46
 
Recent
Ticker Last Chg %Chg Volume
ACIW

ACI Worldwide Inc.

50.27 -0.91 -1.78 1,635,160