Trump rules out US ground troops in Iran, ceasefire odds nudge up

Trump’s announcement that the US will not send ground troops into Iran nudges the ceasefire odds slightly higher. The “US x Iran ceasefire by April 30” market now sits at 38.5% YES, up from 36% yesterday.

In Polymarket’s US x Iran ceasefire markets, the April 7 odds remain low at 8.5% YES, down from 10% a day ago, showing skepticism about an immediate resolution. The April 15 market also drops to 18.5% YES. However, Trump’s focus on ending the war without a ground invasion has provided some optimism for a ceasefire by April 30, which saw a 2.5-point uptick. The term structure suggests traders are eyeing the end of April as a critical window, with a 20-point jump in odds between April 15 and April 30.

On the US forces entering Iran front, Trump’s statement had a more pronounced effect. The April 30 market dropped from 57% to 52.5% YES, as traders recalibrated the likelihood of ground operations. The March 31 market, effectively dead at 0.1% YES, underscores the improbability of immediate troop deployment. The December 31 odds are at 64.5% YES, reflecting lingering uncertainty about long-term military plans.

USDC traded in these markets shows substantial liquidity: $205,330/day for the April 7 ceasefire market and $1,966,537/day for US forces entering Iran by April 30. The order book depth indicates a robust market, with $43,954 required to move the April 15 ceasefire odds by 5 points, suggesting institutional interest. A notable 4-point spike occurred in the April 30 ceasefire market, hinting at trader reaction to potential diplomatic shifts.

Trump’s statement is a de-escalation cue, aligning with previous coverage suggesting a move away from ground operations. At 38.5¢, a YES share on the April 30 ceasefire pays $1 if it resolves, offering a potential 2.6x return. For this bet to pay off, traders would need to see a substantive diplomatic breakthrough or third-party mediation in the next 28 days. Without these, the current odds may drift sideways.

Watch for statements from Secretary of State Rubio or CENTCOM, as well as any intermediary activity from Oman or Qatar. Hegseth’s next Pentagon briefing could further clarify US military intentions, impacting both ceasefire and troop deployment markets.