On April 21, 2026, a striking oil trade once again raised questions about potential information leakage in financial markets. According to Reuters, traders aggressively built a short position in Brent crude futures worth approximately $430 million in a two-minute window between 19:54 and 19:56 GMT — roughly 15 minutes before President Donald Trump posted on Truth Social that the U.S.-Iran ceasefire would be extended indefinitely. The trades occurred during post-settlement hours when market liquidity is typically thin. At prevailing prices near $100.91 per barrel, the position carried a notional value of $430 million.
Timing and Market Reaction
At 20:10 GMT, Trump credited Pakistan's mediation and described Iran's government as "seriously fractured." Brent crude immediately fell to a session low of $96.83 per barrel. While prices partially recovered to the $99–$101 range during early trading on April 22, reports of Iranian ship seizures in the Strait of Hormuz kept markets on edge. This marked the fourth instance since March 2026 where large, well-timed oil short positions coincided with Trump administration announcements on the Iran conflict, according to multiple outlets including the BBC.
Pattern of Trades and Regulatory Scrutiny
Previous similar trades included: an approximately $500 million short on March 23 placed 15 minutes before Trump announced a pause on strikes against Iranian energy infrastructure; a roughly $950 million position on April 7 placed hours before the initial two-week ceasefire; and a $760 million bet on April 17 shortly before Iran's foreign minister announced the reopening of the Strait of Hormuz to commercial shipping. The combined notional value of these April 2026 trades alone totals approximately $2.1 billion.
The Commodity Futures Trading Commission (CFTC) is investigating trades from at least the March 23 and April 7 events. The regulator has requested trading data from CME Group and Intercontinental Exchange (ICE). ICE declined to comment on the April 21 incident. As of now, no charges have been publicly filed, and it is unclear whether the latest trades have been added to the existing probe. The White House has reportedly warned staff against using non-public information for market bets. Profits from earlier trades have been estimated in the tens of millions of dollars.
The 'TACO Trade' and Market Linkages
Market analysts have dubbed this pattern the "TACO trade" (Trump Always Chickens Out), a term coined by Financial Times columnist Robert Armstrong in 2025. The strategy exploits Trump's tendency to issue aggressive threats before pulling back, creating predictable relief rallies in equities and sell-offs in oil prices. The April 21 trade, occurring on a Tuesday, echoed the previous Tuesday's TACO trade, sparking a "Taco Tuesday" joke among market participants.
Notably, the geopolitical détente also buoyed risk assets. On April 22 (Wednesday), Bitcoin climbed to an 11-week high above $79,000, while the S&P 500 also gained. Analysts attribute this to reduced geopolitical risk premiums, driving capital out of safe havens into high-risk, high-reward assets like cryptocurrencies. The Strait of Hormuz carries roughly 20% of global oil and LNG supply; any disruption there directly impacts energy prices, and each diplomatic development sends ripple effects into crypto markets.
Regulatory Outlook and Industry Impact
While regulators have not confirmed illegal activity in any of the trades reviewed by Reuters and other journalists, the consistent timing and size of the positions have drawn continued scrutiny. If insider trading is ultimately proven, it could lead to stricter market oversight rules, affecting trading environments for all risk assets, including cryptocurrencies. For now, the ceasefire remains fragile: Iran has not formally agreed to U.S. terms, demanding lifting of the naval blockade and sanctions relief. Peace talks in Pakistan have stalled, leaving the situation highly uncertain.