Daily trading records
Phillips 66 Stock Price on September 21, 2026
Direct answer
Phillips 66 closed at $261.75 on September 21, 2026.
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Review Phillips 66's price trend and period performance.
The chart connects verified session closes from June 25, 2026 through September 21, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
+1.82%
From the September 14, 2026 close of $257.06 to $261.75 on September 21, 2026.
20-session performance
+7.77%
From the August 21, 2026 close of $242.87 to $261.75 on September 21, 2026.
60-session performance
+52.39%
From the June 25, 2026 close of $171.76 to $261.75 on September 21, 2026.
Verified data
- Open
- $269.36
- High
- $275.965
- Low
- $259.50
- Close
- $261.75
- Volume
- 3,393,482
- Prior-close change
- -$11.38 (-4.17%)
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Read the frequently asked questions.
What was Phillips 66's closing price on September 21, 2026?
Phillips 66 closed at $261.75 on September 21, 2026.
What were Phillips 66's open, high and low on September 21, 2026?
The open was $269.36, the high was $275.965 and the low was $259.50.
How much did Phillips 66 change from the prior close on September 21, 2026?
The change from the prior close was -$11.38 (-4.17%).
What was Phillips 66's volume on September 21, 2026?
Trading volume was 3,393,482 shares.
What is the source for Phillips 66's daily prices?
Daily aggregate prices are provided by Polygon.