The Dow Jones Industrial Average jumped 300 points at the open on Friday, buoyed by renewed hopes that the US and Iran might actually reach a peace agreement. The S&P 500 edged slightly higher, but the overall picture was decidedly mixed, with investors split on whether this latest round of diplomatic optimism is the real thing or just another false start.

Dow futures had earlier surged as much as 422 points, or 0.8%, before settling back.

The Iran factor and why oil matters here

The rally traces back to statements from President Trump suggesting progress on a deal with Iran. The potential reopening of the Strait of Hormuz, the narrow waterway through which a massive share of global oil shipments pass, is the centerpiece of investor optimism.

When peace signals emerge from the Middle East, oil prices tend to drop. That’s exactly what happened, with crude declining on the latest headlines. Oil prices have fallen by more than 4% on previous peace signals during this conflict.

The US-Iran conflict has now stretched past 100 days. Trump has repeatedly suggested a deal was imminent, including multiple claims in April and May that an agreement was just “two weeks” away. Those deadlines came and went.

Bitcoin’s complicated relationship with peace

Bitcoin has at various points rallied past $63,000 and approached $77,000 during periods when de-escalation announcements hit the wires. But Bitcoin has also dropped more than 3% during equity rallies in late May and early June.

Bitcoin trades on its own set of narratives, flows, and technical levels. Macro events matter, but they compete with ETF dynamics, on-chain activity, leverage positioning, and the general mood of a market that can pivot on a single large liquidation cascade. Iran peace hopes might lift the S&P 500, but if a whale is unwinding a position or funding rates are stretched, Bitcoin will do its own thing.

What this means for investors

For equity investors, the playbook is relatively clear: watch oil prices as your leading indicator. When crude drops sharply on Iran headlines, the Dow and S&P 500 tend to follow higher. But fading that move has also worked, given how many times the optimism has proven premature.

For crypto investors, the calculus is more complex. Bitcoin’s inconsistent response to the same catalysts that move stocks means you can’t simply piggyback on equity sentiment. The 3%-plus declines during stock rallies in recent weeks are a reminder that digital assets can march to a completely different drum, even when the macro backdrop seems unambiguously positive.

One additional wrinkle worth noting: SpaceX IPO activity surfaced alongside some of the June 12 market coverage, adding another layer of positive sentiment to an already optimistic session.