Daily trading records
Phillips 66 Stock Price on August 18, 2026
Direct answer
Phillips 66 closed at $243.49 on August 18, 2026.
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Review Phillips 66'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
+8.53%
From the August 11, 2026 close of $224.36 to $243.49 on August 18, 2026.
20-session performance
+14.71%
From the July 21, 2026 close of $212.27 to $243.49 on August 18, 2026.
60-session performance
+39.90%
From the May 21, 2026 close of $174.05 to $243.49 on August 18, 2026.
Verified data
- Open
- $240.00
- High
- $243.60
- Low
- $238.20
- Close
- $243.49
- Volume
- 3,108,145
- Prior-close change
- +$2.94 (+1.22%)
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Read the frequently asked questions.
What was Phillips 66's closing price on August 18, 2026?
Phillips 66 closed at $243.49 on August 18, 2026.
What were Phillips 66's open, high and low on August 18, 2026?
The open was $240.00, the high was $243.60 and the low was $238.20.
How much did Phillips 66 change from the prior close on August 18, 2026?
The change from the prior close was +$2.94 (+1.22%).
What was Phillips 66's volume on August 18, 2026?
Trading volume was 3,108,145 shares.
What is the source for Phillips 66's daily prices?
Daily aggregate prices are provided by Polygon.