Hello, this is Dylan Butts writing to you from Singapore. Welcome to another edition of CNBC’s Daily Open.

On March 11, President Donald Trump said that the Iran war could end “very soon,” adding that “Any time I want it to end, it will end.”

However, as the war enters its fifth week and reports emerge of potential U.S. ground operations, the timeline for any potential ceasefire or resolution remains as uncertain as ever.

That uncertainty is beginning to show up in markets — particularly in oil — where industry participants are sounding serious alarms about the fallout of a prolonged conflict.

The Pentagon is preparing for weeks of ground operations in Iran, as thousands of American soldiers and Marines arrive in the Middle East, according to The Washington Post, which cited U.S. officials.