SINGAPORE — Oil prices fell sharply and Asian markets split after President Donald Trump said he had been told Iran’s crackdown was easing, dialing back fears of a supply shock and accelerating a rotation out of tech and into defensive trades, Jan. 15, 2026.
Trump’s remarks cooled the “war premium” that had lifted crude in recent sessions, while investors also leaned on softening bond yields and a firmer yen as they trimmed crowded AI- and chip-linked positions.
Oil prices drop as Iran risk premium deflates
In early Asian trading, Brent and U.S. West Texas Intermediate pulled back more than 3% from multi-month highs, reversing a burst of buying that had followed days of escalating headlines around Iran. The retracement came after Trump said he had “good authority” that the killing of protesters was stopping and signaled the U.S. was not moving toward an imminent strike.
The move underscored how quickly oil prices can swing when geopolitics set the tone: traders added risk premium first, then stripped it out just as fast when the immediate threat looked less acute. Fresh supply-and-demand signals also leaned bearish. U.S. crude inventories rose by about 3.4 million barrels in the latest reporting week, an unexpected build that reinforced the view that near-term supply is ample.
Asia extends a rotation away from megacap tech
Equity markets echoed the shift. Japan’s tech-heavy Nikkei slipped even as the broader Topix held up better, a pattern that traders described as a widening-out of market leadership rather than an outright risk-off stampede. Elsewhere in the region, chip and platform names again bore the brunt of profit-taking, while select financials and value shares attracted incremental bids.
For investors, it was a familiar playbook: when oil prices cool and immediate conflict risk fades, money often moves from “headline hedges” back into rate-sensitive and domestically oriented trades.
Oil prices in focus as the yen rebounds
In currency markets, the yen bounced after sliding to fresh multi-month lows earlier in the week. Japanese officials’ warnings about possible action to curb disorderly moves added to the rebound, while investors also watched for signs that Japan’s political calendar could bring more fiscal spending and alter the interest-rate mix.
Looking back, the current whipsaw fits a longer pattern. During Trump’s first term, the United States tightened pressure on Tehran by ending sanctions waivers for importers of Iranian crude, a step that helped reshape expectations for global supply. And a 2020 Congressional Research Service review noted that Iran-related oil sanctions have repeatedly been applied, waived and reapplied — often with explicit attention to how oil prices might react.
For now, traders are treating the latest slide as a recalibration, not a verdict. If Iran headlines worsen again, oil prices could rebuild a risk premium quickly. But if tensions continue to cool and inventory data keeps pointing to comfortable supply, the market’s dramatic rotation may have further room to run.

