Phillips 66 Stock - weekly review and refining sector check

Phillips 66 closes a softer week after recent highs, with the refining group lagging the broader market. A look at the weekly performance, sector backdrop and where the stock now trades.

Edited by ad hoc news Sector & Peer-Group Desk. Verified prior to publication on 06/21/2026, 07:20 CET. Details in the imprint.

Phillips 66 (US7185461040) is coming off a muted trading week with shares easing back from their spring peak. The refiner tracks a softer performance than the Standard & Poor's 500 index over the past month, with the broader energy complex also losing some momentum.

How Phillips 66 shares fared this week

Phillips 66 shares last closed around $166 on the New York Stock Exchange, modestly below recent highs above $170 earlier this quarter. Over the past 30 days the stock is down roughly 6%, according to aggregated market data.

The weekly trend fits a broader cooling in refining names after a strong run earlier in the year driven by robust crack spreads. Trading volumes have normalized, with no single session standing out as a clear catalyst-driven move in recent days.

Refiners compared with the wider energy sector

Within the US energy sector, integrated majors and some exploration and production companies have held up better than pure refiners in the latest week. Benchmark indices tracking refiners have underperformed the S&P 500 as well as broad energy ETFs.

Margin expectations remain a key driver for Phillips 66 and peers such as Valero and Marathon Petroleum. Investors continue to watch gasoline and distillate demand into the US driving season, alongside inventory data from the US Energy Information Administration.

The business behind Phillips 66

Phillips 66 operates a diversified energy portfolio centered on refining and marketing, midstream logistics and chemicals. The company runs a network of refineries and branded fuel stations across the United States while also owning interests in midstream pipelines and petrochemical ventures.

Where the stock trades today

The shares of Phillips 66 (US7185461040) trade on the New York Stock Exchange at about $166 per share as of 06/18/2026, 21:58 CET.

Key facts on Phillips 66 stock

• Company: Phillips 66 Inc.
• ISIN: US7185461040
• WKN: A1JWQU
• Ticker: PSX
• Venue: NYSE
• Price (as of 06/18/2026, 21:58 CET): 166.13 USD
• Market cap: around 72,000,000,000 USD (as of 06/18/2026)
• Sector / Industry: Energy - Oil & Gas Refining and Marketing
• Index membership: S&P 500
• Next earnings date: 07/24/2026

This article was AI-assisted and editorially reviewed. Price and company data without warranty; prices and dates may change at short notice. No investment advice, no buy or sell recommendation. Trading securities involves risk up to total loss of capital.