Gasoline RBOB Futures COT Brief: Week Ending 2026-09-04

Executive Summary

Speculative bullishness in Gasoline RBOB (RB) futures intensified this week, with Managed Money extending their net long position to a multi-month high. This aggressive buying occurred alongside a strong price rally and an increase in overall market participation, confirming the bullish momentum. Conversely, Commercial participants (Producers/Merchants) significantly increased their net short hedge positions, using the price strength to lock in forward sales. This classic divergence between speculators and commercials has widened, creating a potentially crowded long trade that is vulnerable to a reversal if the upward price trend falters.

Positioning

• Managed Money (MM) net position surged to +89,215 contracts, up from +79,652 last week. This is the most bullish stance for this cohort in the provided historical data, driven by a substantial increase in long positions to 103,442 contracts.
• Producer/Merchants (Commercials) deepened their net short position to -100,969 contracts, their most bearish reading over the past several months. Their short positions now stand at 186,718 contracts, dwarfing their long exposure of 85,749 contracts.
• Swap Dealers hold a net long position of +18,432 contracts, a slight increase from the prior week.
• Non-reportable (Retail) traders also maintain a net long position of +12,912 contracts.

The positioning landscape shows a clear and widening divide: speculators are heavily long, while commercial hedgers are heavily short.

Flows and Week-over-Week Changes

The market saw a notable influx of new capital, with all major players actively adjusting their books. Key changes for the week include: - Managed Money was the primary buyer, adding 10,725 new long contracts while adding a much smaller 1,162 short contracts. This resulted in a net buying of 9,563 contracts, a clear signal of building conviction. - Producer/Merchants were the primary sellers, adding 4,926 short contracts and trimming 521 longs. This increased their net short position by 5,447 contracts, indicating a significant step-up in hedging activity. - Swap Dealers increased their net long position by 2,119 contracts, primarily by adding new longs (+2,619). - The overall increase in open interest by 7,742 contracts during a week of strong price gains suggests that the rally is being fueled by new money entering the market, a sign of a healthy trend.

Commercials vs Speculators

The dynamic between commercials and speculators is at a recent extreme. - Speculators (Managed Money) are positioned for further price appreciation, having added to their net long for the fourth consecutive week. Their gross long position (103,442) is more than seven times larger than their gross short position (14,227), indicating a one-sided bullish bet. - Commercials are taking the opposite view, using the rally as an opportunity to sell forward. Their gross short position represents 52.8% of the entire market's open interest, underscoring the scale of their hedging operations at these price levels. This heavy selling pressure could act as a cap on future rallies.

Open Interest and Participation

• Total open interest rose to 353,876 contracts, continuing an upward trend from a low around 300,000 contracts in late May/early June. Current levels, however, remain well below the 450,000+ contracts seen earlier in the year, suggesting there is still room for participation to grow.
• Managed Money accounts for a significant 29.2% of the long side of the market but only 4.0% of the short side.
• Concentration on the short side remains notable, with the 4 largest traders holding a net position equivalent to 14.8% of open interest, reflecting the influence of large commercial hedgers.

Price Context

Positioning changes align perfectly with the bullish price action observed during the reporting period. - In the days leading up to the September 4th report, the front-month RB contract rallied significantly. Prices closed at $3.0480 on August 28 and surged to $3.2077 by the close on September 4. - The aggressive addition of longs by Managed Money and the corresponding increase in short hedges by Commercials were direct reactions to this price strength. Speculators were buying into momentum, while commercials were selling into strength.

Risks and Watchpoints

• Crowded Trade Risk: The Managed Money net long position is at a multi-month peak. This concentration makes the market susceptible to a sharp downward correction if the bullish narrative is challenged, as a rush to exit these crowded long positions could exacerbate any sell-off.
• Commercial Selling Pressure: The heavy net short position held by commercials represents a significant wall of potential supply. They are likely to continue selling into any further rallies, which could limit the upside potential from current levels.
• Continuation Signal: The combination of rising prices and rising open interest is a technically bullish signal, indicating that new capital is endorsing the uptrend. A key watchpoint will be whether open interest continues to expand on subsequent rallies. A stall or decline in open interest alongside rising prices could signal the trend is losing momentum.