Daily trading records
Southwest Airlines Stock Price on August 18, 2026
Direct answer
Southwest Airlines closed at $42.49 on August 18, 2026.
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Review Southwest Airlines'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
-6.66%
From the August 11, 2026 close of $45.52 to $42.49 on August 18, 2026.
20-session performance
-12.73%
From the July 21, 2026 close of $48.69 to $42.49 on August 18, 2026.
60-session performance
+4.19%
From the May 21, 2026 close of $40.78 to $42.49 on August 18, 2026.
Verified data
- Open
- $43.01
- High
- $43.355
- Low
- $42.42
- Close
- $42.49
- Volume
- 5,033,349
- Prior-close change
- -$0.86 (-1.98%)
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Read the frequently asked questions.
What was Southwest Airlines's closing price on August 18, 2026?
Southwest Airlines closed at $42.49 on August 18, 2026.
What were Southwest Airlines's open, high and low on August 18, 2026?
The open was $43.01, the high was $43.355 and the low was $42.42.
How much did Southwest Airlines change from the prior close on August 18, 2026?
The change from the prior close was -$0.86 (-1.98%).
What was Southwest Airlines's volume on August 18, 2026?
Trading volume was 5,033,349 shares.
What is the source for Southwest Airlines's daily prices?
Daily aggregate prices are provided by Polygon.