WS #4910

The dominant signal in this window is the active enforcement and escalation of the US naval blockade of Iranian ports and the Strait of Hormuz, corroborated by multiple high-impact sources (jetstream, GDELT, AP). The blockade is now in effect as of 10:00 ET Monday, with President Trump explicitly warning that any Iranian 'fast attack ships' approaching will be 'immediately eliminated.' This concrete action has immediate implications for oil markets, with AP reporting oil prices surging back above $100 and jetstream noting emerging-market currencies pared losses as oil retreated after the deadline passed, suggesting initial market relief but ongoing volatility. The blockade represents an escalation from the previous window's 'imminent' status to active enforcement, increasing geopolitical risk premiums and directly impacting 20% of global oil transport. Counter-signals emerge from diplomatic and market reactions. UK PM Starmer warns the US-Israel-Iran ceasefire is 'highly fragile' and urges Lebanon's inclusion, while also planning to work with Macron on an international conference for Strait security, suggesting diplomatic efforts to de-escalate. Bloomberg reports record-low inflation in emerging markets cushions the oil shock, potentially limiting broader economic fallout. However, Iran threatens to respond by taking control of the Bab el-Mandeb Strait with Houthis if the blockade proceeds, indicating risk of further escalation. These counter-signals are outweighed by the concrete blockade action and its immediate market impact, though they may dampen extreme bullish energy signals. In sector-specific developments, CoreWeave (CRWV) shares rallied 10% after Macquarie upgraded it to Outperform due to recent deals with Meta and Anthropic, a positive for cloud infrastructure. RedCloud (RCT) surged 94% after signing a $30M Saudi Arabia deal for its AI platform. HEICO Corporation (HEI) acquired Sherwood Aviation, potentially bullish for aerospace. Technology shows mixed signals with no major MAG7 developments contradicting the macro narrative. Overall, the blockade escalation remains the primary market-moving event, with immediate implications for energy, shipping, and broader risk assets, though diplomatic efforts and emerging-market resilience provide some offset.