Daily trading records
Phillips 66 Stock Price on August 21, 2026
Direct answer
Phillips 66 closed at $242.87 on August 21, 2026.
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Review Phillips 66's price trend and period performance.
The chart connects verified session closes from May 27, 2026 through August 21, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
+3.96%
From the August 14, 2026 close of $233.61 to $242.87 on August 21, 2026.
20-session performance
+17.46%
From the July 24, 2026 close of $206.77 to $242.87 on August 21, 2026.
60-session performance
+39.08%
From the May 27, 2026 close of $174.63 to $242.87 on August 21, 2026.
Verified data
- Open
- $240.28
- High
- $244.47
- Low
- $240.00
- Close
- $242.87
- Volume
- 2,653,862
- Prior-close change
- +$2.87 (+1.20%)
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Read the frequently asked questions.
What was Phillips 66's closing price on August 21, 2026?
Phillips 66 closed at $242.87 on August 21, 2026.
What were Phillips 66's open, high and low on August 21, 2026?
The open was $240.28, the high was $244.47 and the low was $240.00.
How much did Phillips 66 change from the prior close on August 21, 2026?
The change from the prior close was +$2.87 (+1.20%).
What was Phillips 66's volume on August 21, 2026?
Trading volume was 2,653,862 shares.
What is the source for Phillips 66's daily prices?
Daily aggregate prices are provided by Polygon.