Daily trading records
Ionis Pharmaceuticals Stock Price on August 14, 2026
Direct answer
Ionis Pharmaceuticals closed at $57.24 on August 14, 2026.
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Review Ionis Pharmaceuticals's price trend and period performance.
The chart connects verified session closes from May 19, 2026 through August 14, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
+1.20%
From the August 7, 2026 close of $56.56 to $57.24 on August 14, 2026.
20-session performance
+5.24%
From the July 17, 2026 close of $54.39 to $57.24 on August 14, 2026.
60-session performance
-22.48%
From the May 19, 2026 close of $73.84 to $57.24 on August 14, 2026.
Verified data
- Open
- $55.16
- High
- $57.24
- Low
- $55.16
- Close
- $57.24
- Volume
- 1,353,738
- Prior-close change
- +$1.37 (+2.45%)
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Read the frequently asked questions.
What was Ionis Pharmaceuticals's closing price on August 14, 2026?
Ionis Pharmaceuticals closed at $57.24 on August 14, 2026.
What were Ionis Pharmaceuticals's open, high and low on August 14, 2026?
The open was $55.16, the high was $57.24 and the low was $55.16.
How much did Ionis Pharmaceuticals change from the prior close on August 14, 2026?
The change from the prior close was +$1.37 (+2.45%).
What was Ionis Pharmaceuticals's volume on August 14, 2026?
Trading volume was 1,353,738 shares.
What is the source for Ionis Pharmaceuticals's daily prices?
Daily aggregate prices are provided by Polygon.