Oil prices decreased slightly for three consecutive sessions amid anticipation of OPEC+ output discussions and unexpected U.S. inventory增加

    by VT Markets
    /
    Sep 5, 2025

    Oil prices fell for the third consecutive session on Friday as traders anticipated an upcoming OPEC+ meeting. This meeting, with eight OPEC members and partners such as Russia, is set to discuss potentially increasing production in October.

    The proposed production rise would begin reversing the additional 1.65 million barrels per day of output cuts. This amount accounts for approximately 1.6% of global demand and would be implemented more than a year ahead of schedule.

    Us Crude Inventory And Its Market Impact

    Additionally, the market reacted to an unexpected U.S. crude inventory build of 2.4 million barrels last week. This was contrary to the projected 2-million-barrel draw as refineries entered maintenance, while the API reported a smaller stock increase of around 600,000 barrels.

    We are watching the OPEC+ meeting very closely this weekend, as a decision to increase production by 1.65 million barrels per day would put significant downward pressure on prices heading into October. This level of uncertainty ahead of a major policy announcement creates an opportunity for volatility-focused trades. The market is pricing this in, as implied volatility on front-month WTI options has risen to a six-week high of 39%, reflecting nervousness about a sharp price move.

    Given the binary nature of the weekend’s decision, we see traders positioning for a price swing in either direction by using options strangles. A surprise decision to hold production steady could cause a sharp rally, while the expected increase could accelerate the current slide. Looking back, we saw similar volatility spikes around the OPEC+ meetings in late 2023 when the group struggled to agree on voluntary cut extensions.

    The unexpected 2.4-million-barrel build in U.S. crude inventories is a clear bearish signal for the immediate term. Data released this week by the Energy Information Administration (EIA) confirms that refinery utilization rates have dropped from 93.1% to 89.5% nationally, indicating the fall maintenance season is now fully underway. This dip in domestic crude demand is likely to persist for several more weeks.

    Market Strategy And Outlook

    This near-term supply glut is weakening the front of the futures curve, and we are monitoring for a shift into a deeper contango structure where near-term prices are lower than future prices. This condition would favor traders establishing calendar spread positions, such as selling the October contract while buying the December contract. This structure would profit if the spread between the two months widens further due to immediate oversupply.

    With both potential OPEC+ supply increases and confirmed weaker U.S. refinery demand, the path of least resistance appears to be lower for the coming weeks. We are considering buying put options with strike prices near $70 for October expiration on WTI, which is currently trading around $76.50 per barrel. This provides a defined-risk strategy to capitalize on a potential slide driven by these bearish fundamentals.

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