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Why ASX oil stocks Woodside, Santos and Ampol are sliding today

The Motley Fool·12/17/2025 04:56:14
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Australia's major energy shares are under pressure today as global oil markets tumble.

At the time of writing, Woodside Energy Group Ltd (ASX: WDS) has dropped 2.38% to $23.43, Santos Ltd (ASX: STO) is down 1.06% to $6.04, and Ampol Ltd (ASX: ALD) has fallen 2.13% to $31.88.

The catalyst is simple: oil has slipped below US$60 a barrel, a level many traders consider psychologically important for the sector. When oil breaks lower, ASX energy stocks tend to follow, and that's exactly what we are seeing today.

Why is oil dropping?

Global crude prices are falling as traders react to renewed optimism around a potential Russia–Ukraine peace agreement. Any credible progress towards ending the conflict raises expectations that Russian oil could return more efficiently to global markets.

That matters because Russian supply disruptions have been one of the biggest drivers of volatility in energy markets over the last few years. If geopolitical tensions ease, investors anticipate a more stable and potentially higher global supply, which naturally weighs on crude prices.

With oil now trading at its lowest levels in months, energy stocks are adjusting quickly.

What this means for oil shares

For upstream producers such as Woodside and Santos, revenue is closely tied to global energy prices. When crude falls sharply:

  • Selling prices decline, reducing income
  • Costs can't be reduced as easily, leading to a greater risk of margin compression
  • Investor sentiment turns cautious, particularly towards companies with heavy capital expenditure pipelines

Both companies have benefited from higher commodity prices in recent years, but they are equally sensitive when the cycle turns. Today's share price moves reflect that exposure.

Why Ampol is also trading lower

Ampol isn't an oil producer, but its refining business and fuel margins are influenced by movements in global crude benchmarks. When oil prices fall quickly, retail and wholesale pricing can lag the move, pressuring profitability. The market typically prices this risk in immediately, which explains today's decline.

Looking ahead

Future movements will depend on how the geopolitical situation evolves. Peace-related optimism can fade quickly, but a sustained period of lower oil prices would reshape earnings expectations across the sector.

For now, the message from the market is clear: the energy trade is shifting, and investors are reassessing their positioning as crude oil tests multi-month lows.

The post Why ASX oil stocks Woodside, Santos and Ampol are sliding today appeared first on The Motley Fool Australia.

Motley Fool contributor Kevin Gandiya has no positions in any of the stocks mentioned. The Motley Fool Australia's parent company Motley Fool Holdings Inc. has no position in any of the stocks mentioned. The Motley Fool Australia has no position in any of the stocks mentioned. The Motley Fool has a disclosure policy. This article contains general investment advice only (under AFSL 400691). Authorised by Scott Phillips.

The Motley Fool's purpose is to help the world invest, better. Click here now for your free subscription to Take Stock, The Motley Fool's free investing newsletter. Packed with stock ideas and investing advice, it is essential reading for anyone looking to build and grow their wealth in the years ahead. This article contains general investment advice only (under AFSL 400691). Authorised by Bruce Jackson. 2025