US airstrikes on Iran enter ninth day; oil stable as prediction markets signal airspace risks

US airstrikes on Iran have entered their ninth day, with the stated goal of reopening the Strait of Hormuz. Remarkably, oil prices have remained stable despite the ongoing conflict and damage to Iran's energy infrastructure. Prediction markets indicate a 25.5% probability of full airspace closure by July 31 and 44% by August 31, while a new all-time high in oil is priced at 4.7% by September. Iran has confirmed receiving de-escalation proposals, keeping the door open for diplomacy.

By Benjamin Sanders - July 20, 2026

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Energy Infrastructure
Geopolitics
Iran
oil
Prediction Markets
Strait of Hormuz
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US airstrikes on Iran enter ninth day; oil stable as prediction markets signal airspace risks

The US military campaign against Iran stretches into its ninth day, but oil markets are shrugging off the escalation. Prediction markets are pricing in a rising chance of airspace closure, while Iran signals it has received de-escalation proposals. Here's what you need to know.

What to know

  • US airstrikes on Iran have continued for nine consecutive days, with the stated objective of reopening the Strait of Hormuz. The strikes have damaged Iran's energy infrastructure, but no further specifics on targets have been released.
  • Oil prices have remained stable throughout the campaign, a surprising outcome given the disruption to a key global chokepoint. The Strait of Hormuz reopening appears to be underway.
  • Prediction markets show a 25.5% probability of a full airspace closure over Iran by July 31, rising to 44% by August 31. A new all-time high in oil prices by September 30 is priced at 4.7%.
  • Iran has confirmed receiving de-escalation proposals from unnamed parties, suggesting diplomatic channels remain open despite the military action. A final nuclear deal is being bet on for August 13, 2026, but only at 1% probability.
  • The conflict pits the US against Iran, with the Strait of Hormuz as a central flashpoint. Oil markets are closely watched but have not yet reacted with a premium.
  • The timeline includes airstrikes starting roughly nine days before July 20, 2026, with reports of damage to energy infrastructure and a subsequent Iranian acknowledgment of diplomatic overtures.
  • This is a high-impact geopolitical event that affects global energy security, regional stability, and the trajectory of the Middle East. Expectations for a rapid resolution are low.

The Ninth Day of Strikes

The US military campaign against Iran has entered its ninth day with no sign of a pause. Airstrikes have been focused on reopening the Strait of Hormuz, a narrow waterway through which about a fifth of the world's oil passes. According to reports, the strikes have also targeted Iran's energy infrastructure, though the full extent of the damage remains unclear.

The operation is one of the most sustained US military actions in the region in years. It comes amid rising tensions over Iran's nuclear program and its history of threats to close the strait. The US has framed the strikes as necessary to restore freedom of navigation and prevent an economic shock.

Iran, for its part, has acknowledged receiving what it calls "de-escalation proposals" — a phrase that hints at backchannel diplomacy even as bombs fall. The timing and nature of those proposals have not been disclosed, but their existence suggests that both sides are leaving room for an off-ramp.

A Surprising Calm in Oil

Given the scale of the military operation and its proximity to the world's most critical oil chokepoint, one might expect crude prices to spike. Instead, oil prices have remained stable. The Strait of Hormuz reopening appears to be a key factor — if shipping can resume unimpeded, the supply disruption that many feared has not materialized.

Analysts point to several possible reasons for the calm. First, markets had already priced in some level of disruption during the preceding diplomatic breakdown. Second, strategic petroleum reserves in major consuming countries provide a buffer. Third, the US may have taken steps to ensure alternative supply routes or increasing production from other sources.

But the stability is fragile. Prediction markets are assigning a nontrivial chance that the situation deteriorates further. A full airspace closure over Iran by July 31 is seen as a 25.5% probability, rising to 44% by the end of August. If that happens, oil transportation could be severely affected, potentially driving prices sharply higher.

The Narrow Waters of Hormuz

The Strait of Hormuz is the strategic prize in this conflict. Connecting the Persian Gulf to the Gulf of Oman, it is a vital artery for oil tankers. Iran has repeatedly threatened to close the strait in response to sanctions or military action, and US airstrikes are now attempting to ensure it remains open.

The successful reopening of the waterway is a significant tactical achievement for the US. However, the damage to Iran's energy infrastructure complicates the picture. Even if the strait is navigable, Iran's ability to export its own oil has been degraded, which could lead to production losses and put upward pressure on global prices in the medium term.

Reading the Prediction Markets

Prediction markets are offering a real-time window into how bettors view the conflict's trajectory. The numbers are stark:

  • Full airspace closure by July 31: 25.5% YES
  • Full airspace closure by August 31: 44% YES
  • New all-time high in oil by September 30: 4.7% YES (with a secondary market at 1.9%)
  • Iran Reconstruction Funding in a US-Iran deal by 202 (likely 2026): 1% YES
  • Final nuclear deal by August 13, 2026: 1% YES

The climb in airspace closure probabilities from late July to late August suggests that the market sees a growing risk of escalation rather than de-escalation. The extremely low probability of a nuclear deal by mid-August indicates skepticism that diplomacy will advance anytime soon.

The 4.7% chance of a new all-time high in oil within a few months is low but not negligible. If airspace is closed and oil supply is disrupted, that probability would likely spike. For now, traders are betting on continued stability.

Diplomatic Undercurrents

Despite the airstrikes, there are signs of diplomatic activity. Iran's confirmation that it has received de-escalation proposals is a notable development. It implies that at least one intermediary is trying to prevent a wider war. The US has not publicly commented on the proposals, but the fact that Iran acknowledges them suggests channels are open.

At the same time, the prediction market for a final nuclear deal by August 13 stands at just 1%. This likely reflects the deep mistrust between the parties and the difficulty of negotiating under bombardment. Any diplomatic breakthrough would require a significant shift in posture from both sides.

Looking Ahead

The next few weeks will be critical. If the US continues its airstrikes without a clear diplomatic off-ramp, the risk of airspace closure and a spike in oil prices will increase. Iran's response to the de-escalation proposals will be a key indicator of whether the conflict can be resolved or will spiral.

Prediction markets will be a useful bellwether. A sustained rise in the airspace closure probability above 50% would signal that markets expect a prolonged crisis. Conversely, a drop below 20% would suggest that de-escalation is gaining traction.

For now, the old adage applies: markets can remain calm longer than geopolitics can remain stable. The USIran standoff is far from over, and the Strait of Hormuz remains the focal point of a conflict with global consequences.

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