Houthi Bab el-Mandeb Gain Threatens Oil Surge; 20% of Oil Trade Exposed

For markets, the Houthi arrival at Bab el-Mandeb transforms the Iran-U.S. conflict into a full-spectrum energy supply shock. If both Hormuz and Bab el-Mandeb are denied to commercial navigation, a fifth or more of global oil and LNG flows faces disruption, with oil price spikes, inflation pass-through, and repricing of shipping, insurance, and geopolitical risk across asset classes. Traders will watch the Sept. 14 Oman talks and any satellite evidence of pipeline damage for the next leg of volatility.

On Sept 11, Yemen's Iran-aligned Houthi movement reached Perim Island at the narrow Bab el-Mandeb Strait, according to four Yemeni government sources cited by Reuters. Earlier, two sources from the Saudi-backed internationally recognized government said its forces had pulled out of Perim and that the Houthis had also taken Dhubab, a Red Sea coastal town facing the island. If confirmed, the advance gives the Houthis a foothold at the southern mouth of the Red Sea, one of the world's most important commercial chokepoints. It would allow Iran-aligned forces to threaten shipping between the Indian Ocean and the Suez Canal, complementing the effective closure of the Strait of Hormuz on the other side of the Arabian Peninsula. For Saudi Arabia, the world's largest oil exporter and a close U.S. ally, the Red Sea has become its primary maritime outlet since Hormuz was shut during the six-month-old U.S.-Israel-Iran conflict. A second contested chokepoint would leave Riyadh with fewer options for moving crude and liquefied natural gas.

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On Sept 11, Yemen's Iran-aligned Houthi movement reached Perim Island at the narrow Bab el-Mandeb Strait, according to four Yemeni government sources cited by Reuters.

The Houthi move is part of a widening Middle East war rather than an isolated Yemeni event. Iran and the United States carried out what sources describe as a wave of tit-for-tat attacks on Gulf shipping this week, while U.S. President Donald Trump increased economic pressure on Tehran. In a speech marking the 25th anniversary of the September 11 attacks, Trump called Iran 'the world's number one sponsor of terror'; Iranian President Masoud Pezeshkian responded that the accusation came from 'the same devils' responsible for a reported U.S. strike on a school at the start of the conflict in February. Diplomacy remains largely stalled. Iran confirmed on the same day that representatives of Iran, Iraq, and the Gulf Arab states would meet in Oman on Monday, Sept. 14, to resume discussions on safe commercial shipping routes in the Strait of Hormuz. The fact that those talks are centered on Hormuz while the Houthis advance on Bab el-Mandeb suggests a coordination gap—or possibly a deliberate two-front pressure campaign by Iran.

The implications for global energy markets are severe. The Strait of Hormuz previously handled about a fifth of global oil and liquefied natural gas trade before it was effectively closed. The Bab el-Mandeb does not carry an identical share, but its loss would force Red Sea and Suez-bound cargoes onto much longer routes around the Cape of Good Hope, raising freight rates, insurance premiums, and delivery times. Sources warn that Houthi control of Bab el-Mandeb could give their backer Iran a critical advantage in its war with the U.S., reducing supplies through a second major transit corridor and sending oil prices surging. That language suggests a potential deliberate chokepoint strategy: use Hormuz to deny Gulf exports and Bab el-Mandeb to constrain the alternatives, especially for Saudi Arabia.