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European Oil Markets
1JUN

WTI flips to +172,580 net long

3 min read
09:19UTC

CFTC Commitments of Traders for 19 May put NYMEX WTI non-commercial net long at +172,580 contracts, a 177,000-contract swing in three weeks that the Iran MOU then carried out four sessions later.

EconomicDeveloping
Key takeaway

WTI longs piled in on a supply story before the deal; the MOU then carried the offside position out.

CFTC Commitments of Traders for 19 May put NYMEX WTI-Physical non-commercial net long at +172,580 contracts, against net short -4,723 on 28 April 1. That prior short was the starting point logged in the 12 May report ; the swing since is roughly +177,000 contracts in three weeks. Brent Last Day went the other way, flipping to net short -24,966 from a prior +58,259, so the two benchmarks that normally track each other split hard 2.

The build is dated 19 May. The MOU landed four sessions later on 23 May. The crowd rotated max-long WTI on its own logic, the 7.9mb US crude draw and 134C legitimising Russian supply, not on any Iran headline. The deal punished a position already set; it did not create it. Reading the inversion as MOU-driven inverts the causation and mistimes the unwind risk.

The deleveraging has started: WTI open interest fell 78,977 week-on-week 3. The 29 May COT is the tell on how violent the carry-out runs once the $14 drop hits the offside length. On products, the compressing Brent-WTI keeps European gasoline in basin: TC2 sat around WS230 and $19,300/day on 7 May, and that arb stays shut at this spread, which traps EBOB length on the Continent.

Deep Analysis

In plain English

Every week, the US futures regulator publishes a snapshot of who is betting which way on oil prices. On 19 May, that snapshot showed something striking: traders had shifted from betting oil prices would fall to a very large bet that prices would rise, all within three weeks. About 177,000 extra contracts swung from 'short' (expecting prices to fall) to 'long' (expecting prices to rise) on US crude. This build-up happened before Trump's Iran announcement and was fuelled by a big drop in US oil stockpiles and confidence that Russian oil shipments were legally protected. When the Iran news arrived on 23 May, those bets were suddenly caught on the wrong side of a falling market.

Deep Analysis
Root Causes

Two independent signals converged to drive the ~177,000-contract WTI repositioning. First, the 7.9mb US crude draw to 445mb (EIA, week to 15 May) signalled domestic refinery demand running ahead of import replenishment ; a fundamentals-based case for WTI long.

Second, GL 134C's 18 May reinstatement resolved the compliance-risk overhang that had kept managed money short WTI: when in-transit vessel cover was uncertain post-GL 134B, the trade was short WTI (domestic supply at risk) / long Brent (Atlantic-basin disruption premium). GL 134C closed that trade.

The Brent side inverted simultaneously: ICE Brent Last Day non-commercial flipped to net short -24,966 from net long +58,259, a reversal of ~83,000 contracts. This is the Brent long being unwound as the Atlantic-basin disruption premium from Hormuz closure deflated ; a two-leg rotation, not a unidirectional move.

What could happen next?
  • Risk

    A net long of +172,580 WTI contracts (19 May) that started deleveraging before the Iran MOU implies the unwind was incomplete; next COT release (29 May, for 27 May positions) will confirm whether the remaining long was forced out on the $14 decline or held.

  • Consequence

    Brent-WTI compression to $1-2 from the prior $4-5 shuts the TC2 transatlantic gasoline arbitrage, trapping EBOB supply in the European basin and softening NWE gasoline barge premiums.

First Reported In

Update #2 · GL 134C reverses the cliff, Brent -$14

CFTC· 26 May 2026
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Different Perspectives
Rosneft / Russian export ministry
Rosneft / Russian export ministry
The Ivan Sechin designation shifts OFAC pressure to the personal-liability level after institutional-perimeter designations proved insufficient to deter commercial relationships; Moscow's re-flagging response to previous hull listings ran at 194 shadow-fleet movements in March (KSE Institute) and the Russian-flagged share rose from 3% to 21% in nine months, but the designation cadence is outrunning re-flagging substitution on Baltic Aframax routes.
Japanese refiners / Ministry of Economy, Trade and Industry
Japanese refiners / Ministry of Economy, Trade and Industry
Japanese refiners drew on strategic petroleum reserves as crude imports fell 66% in April, the sharpest monthly decline on record, operating within the IEA-protocol 90-day SPR buffer rather than competing for Cape-routed alternatives. The SPR draw is performing the designed function; re-entry to spot buying becomes urgent if the Hormuz disruption extends past the 90-day buffer floor.
Chinese state refiners (CNPC / Sinopec)
Chinese state refiners (CNPC / Sinopec)
State refiners kept seaborne imports at a decade-low 6.78 mbd in May as margins remained negative at -$2/bbl, drawing on the 1,251mb onshore stock peak built during the Hormuz disruption rather than buying at $90-plus Brent. The restart signal to watch is margin recovery above +$3-5/bbl, not the flat price.
Keir Starmer government / UK DESNZ
Keir Starmer government / UK DESNZ
The Starmer government eased sanctions around 21 May to permit Russian-derived distillate from third countries, framing it as an energy-security response to the Iran-conflict jet-fuel supply shortfall. Tom Keatinge at RUSI called the move an embarrassment for Downing Street, poorly communicated and out of step with Kyiv messaging, and the operational window self-destructs on 17 June when GL 134C lapses.
US Treasury / OFAC
US Treasury / OFAC
OFAC issued the RISE GLORY counter-terrorism designation and the Ivan Sechin Russia-programme listing on the same 28 May action, continuing its average of multiple hull designations per week through May. The dual-programme cadence, authorise-without-compelling on the Russian refinery track while closing Iranian buyer legs, is the deliberate architecture of the June compliance calendar.
Energy Aspects / sell-side macro desk
Energy Aspects / sell-side macro desk
The divergence between a sub-$95 Brent print and a crack holding near $54/bbl is the trade: hold the crack long against crude, with the June OFAC calendar as optionality on top; the six-extension base rate and the 17 June / 27 June deadline stack both argue for carry rather than a directional cliff bet on the flat price.