When the CME Group froze trading in WTI crude futures at 10:14 AM Central Time on November 27, 2025, markets didn’t just pause—they fractured. While traders in Chicago scrambled to reboot a failed network switch, 27 Kalibr cruise missiles slammed into Ukraine’s Burshtyn Thermal Power Plant in Kharkiv Oblast, triggering a 3.82% spike in Brent Crude prices to $92.74 per barrel. Two hours and seventeen minutes later, when trading resumed, the global oil market looked completely different: Brent closed at $91.89, up $3.27, while WTI settled flat at $89.15, creating a $2.74 spread—the widest in over three years. This wasn’t just coincidence. It was a perfect storm of war and technology failure, exposing how fragile energy markets have become.
The Strike That Shook Oil Markets
At 9:47 AM EET, Russian Armed Forces, under Chief of General Staff Valery Gerasimov, launched the barrage from the Black Sea. By 10:03 AM EET, the Burshtyn plant—critical to powering eastern Ukraine—was engulfed in smoke. Ukrainian Energy Minister German Galushchenko confirmed emergency generators restored 63% of grid capacity within four hours, but the damage was symbolic as much as physical. This was the first major strike on energy infrastructure since the 2023 winter attacks, and markets reacted instantly. Intercontinental Exchange (ICE), which trades Brent futures, saw order flow surge by 400% in the first 12 minutes. Traders at Goldman Sachs Group Inc. alone executed 47,300 Brent hedges in under nine minutes.The CME Outage: A Systemic Blind Spot
While Brent soared, WTI trading at the CME Group in Chicago went dark. CEO Bryan Durkin and CTO John Pietrowicz later confirmed a Layer 3 switch fabric failure in their primary data center. The backup system took 73 minutes longer than its 90-minute recovery target. The outage affected 3,142 participants—including 1,877 proprietary firms and 1,265 institutional accounts. Citadel Securities lost $18.7 million in unrealized positions. Floor traders at CME’s Chicago campus, long thought obsolete, manually processed 8,412 orders between 10:25 AM and 12:15 CT. It was a scene straight out of the 1990s: paper tickets, shouting, hand signals. The last time CME had a comparable failure? During the 2020 pandemic collapse.
Market Bifurcation: Brent vs. WTI
The divergence between Brent and WTI wasn’t just technical—it was geopolitical. Brent, priced on global supply risks, spiked as traders feared further Russian strikes on Black Sea energy routes. WTI, tied to U.S. storage and logistics, collapsed in liquidity. At Cushing, Oklahoma, the delivery hub for WTI, physical trading volume dropped 22.4%, according to Oil Price Information Service. Refiners like Motiva Enterprises LLC in Port Arthur, Texas, cut crude intake by 115,000 barrels per day. Energy Aspects Ltd. called it “unprecedented market bifurcation.” By 2:30 PM GMT, Brent’s premium over WTI hit $4.81—the largest gap since March 2022.Global Reactions: OPEC, IEA, and the Quiet Players
OPEC+ stayed silent on the crisis. Secretary General Haitham Al-Ghais reaffirmed the group’s 41.1 million bpd production target during a meeting in Vienne—a decision that surprised analysts. The International Energy Agency in Paris noted global inventories fell by 1.8 million barrels in the week ending November 22, but held its 2025 demand forecast steady at 1.2 million bpd. Meanwhile, Rystad Energy warned storage at Cushing could plunge below 500,000 barrels next week if WTI volatility continues. That’s less than half the typical winter buffer.
What’s Next? The December 4 Countdown
The next OPEC+ meeting on December 4 in Vienna will be pivotal. Will they cut production to support prices? Will they quietly coordinate with Russia? Or will they let markets self-correct? The U.S. Energy Information Administration (EIA) says no need to panic—yet. But Rystad’s CEO, Jarand Rystad, put it bluntly: “We’re not just watching a price gap. We’re watching a supply chain unravel.”Meanwhile, CME has promised a full root-cause report within 10 business days. But the bigger question lingers: If a single network switch can freeze one of the world’s most vital markets, how many other systems are just as vulnerable?
Frequently Asked Questions
Why did Brent and WTI prices diverge so sharply during the outage?
Brent Crude reflects global supply risks, so Russian missile strikes on Ukrainian infrastructure immediately drove up its price. WTI, however, is tied to U.S. logistics and storage—especially at Cushing, Oklahoma. When CME halted trading, liquidity vanished, and physical buyers pulled back. That created a $4.81 premium for Brent at its peak, the widest since 2022. The two markets aren’t just different benchmarks—they’re governed by entirely different risk factors.
How did the CME outage affect everyday consumers?
Not directly, but indirectly, yes. The outage disrupted hedging by airlines, trucking firms, and utilities that rely on WTI futures to lock in fuel costs. Refiners like Motiva reduced crude intake, which could delay gasoline production. While pump prices didn’t spike immediately, analysts warn that if WTI volatility continues into December, U.S. gasoline prices could rise 8–12 cents per gallon by early next year.
What’s the significance of the $2.74 spread between Brent and WTI?
That spread signals a breakdown in the traditional arbitrage mechanism that usually keeps global oil prices aligned. Normally, traders buy cheap WTI and ship it overseas to profit from higher Brent prices. But with CME frozen and U.S. storage at risk, that pipeline broke. A spread over $3 is rare—it hasn’t happened consistently since the 2020 oil price crash. It’s a red flag that U.S. energy infrastructure is becoming less connected to global markets.
Why didn’t OPEC+ cut production to stabilize prices?
OPEC+ is balancing two pressures: Russia’s need for high oil revenue to fund its war effort, and Saudi Arabia’s desire to avoid a price collapse if global demand weakens. With U.S. production still strong and non-OPEC supply rising, cutting now could hand market share to American shale. The group’s decision to hold output steady reflects a strategic gamble—that the market will self-correct before winter ends, avoiding a costly production cut that might not stick.
Could this happen again?
Absolutely. CME’s system failure wasn’t caused by hackers or cyberattacks—it was a hardware switch failure. Many financial infrastructure systems still rely on aging, siloed tech. With climate events and geopolitical shocks increasing, the risk of overlapping disruptions—war, storms, tech failure—is rising. Rystad Energy estimates 60% of global oil trading platforms have no more than 72 hours of redundancy. That’s not resilience. It’s a waiting game.