Daily trading records
InterDigital Stock Price on September 18, 2026
Direct answer
InterDigital closed at $323.05 on September 18, 2026.
Get free InterDigital email updates.
Bullstory sends one daily email when new analysis or important company news is available.
Review InterDigital's price trend and period performance.
The chart connects verified session closes from June 24, 2026 through September 18, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
-7.73%
From the September 11, 2026 close of $350.13 to $323.05 on September 18, 2026.
20-session performance
-5.52%
From the August 20, 2026 close of $341.93 to $323.05 on September 18, 2026.
60-session performance
+17.88%
From the June 24, 2026 close of $274.05 to $323.05 on September 18, 2026.
Verified data
- Open
- $323.15
- High
- $327.40
- Low
- $321.6401
- Close
- $323.05
- Volume
- 599,826
- Prior-close change
- +$1.11 (+0.34%)
Explore related company data
Read the frequently asked questions.
What was InterDigital's closing price on September 18, 2026?
InterDigital closed at $323.05 on September 18, 2026.
What were InterDigital's open, high and low on September 18, 2026?
The open was $323.15, the high was $327.40 and the low was $321.6401.
How much did InterDigital change from the prior close on September 18, 2026?
The change from the prior close was +$1.11 (+0.34%).
What was InterDigital's volume on September 18, 2026?
Trading volume was 599,826 shares.
What is the source for InterDigital's daily prices?
Daily aggregate prices are provided by Polygon.