Daily trading records
Appian Stock Price on August 18, 2026
Direct answer
Appian closed at $36.43 on August 18, 2026.
The open was $35.27, the high was $36.94 and the low was $34.88.
Volume was 641,668. The change from the prior close was +$1.52 (+4.35%).
Get free Appian email updates.
Bullstory sends one daily email when new analysis or important company news is available.
Review Appian's price trend and period performance.
The chart connects verified session closes from May 21, 2026 through August 18, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
+2.59%
From the August 11, 2026 close of $35.51 to $36.43 on August 18, 2026.
20-session performance
+43.71%
From the July 21, 2026 close of $25.35 to $36.43 on August 18, 2026.
60-session performance
+72.33%
From the May 21, 2026 close of $21.14 to $36.43 on August 18, 2026.
Verified data
- Open
- $35.27
- High
- $36.94
- Low
- $34.88
- Close
- $36.43
- Volume
- 641,668
- Prior-close change
- +$1.52 (+4.35%)
Explore related company data
Read the frequently asked questions.
What was Appian's closing price on August 18, 2026?
Appian closed at $36.43 on August 18, 2026.
What were Appian's open, high and low on August 18, 2026?
The open was $35.27, the high was $36.94 and the low was $34.88.
How much did Appian change from the prior close on August 18, 2026?
The change from the prior close was +$1.52 (+4.35%).
What was Appian's volume on August 18, 2026?
Trading volume was 641,668 shares.
What is the source for Appian's daily prices?
Daily aggregate prices are provided by Polygon.