President Trump said early Sunday that he had cancelled what he called the biggest strike on Iran since World War Two, telling reporters aboard Air Force One that Saudi Arabia, the United Arab Emirates, Qatar and Iran itself had all asked him to stand down. He said a deal on the Strait of Hormuz was close, to be followed by a deal on Iran's nuclear program, with talks set for Monday afternoon. By Monday, Iranian Foreign Ministry spokesperson Esmail Baghaei said Tehran had no negotiations underway with Washington and was dealing only with Oman on shipping matters. Trump called Iran's leadership unbelievably duplicitous on Truth Social and, within the same 24 hours, issued a fresh ultimatum, telling reporters Tehran would find out "today or tomorrow" whether it faced renewed strikes.
From a Cancelled Strike to Canada's Next CPI Print
Gasoline is the most direct line from a Middle East headline to a Canadian household's cost of living, and it is the entire reason Canada's inflation data looked better in June. Statistics Canada reported July 20 that headline CPI cooled to 2.8 percent year over year from May's 3.2 percent, and StatCan attributed the entire deceleration to a 10.2 percent month over month drop in gasoline prices. That drop was tied to the ceasefire window that opened in mid-June. TD Bank senior economist Leslie Preston flagged at the time that the improvement was already out of date, because renewed hostilities beginning July 8 had pushed pump prices back up through the rest of July, before this week's cancelled strike knocked oil back down again. July's CPI, due August 17, arrives two weeks before the Bank of Canada's September 2 rate decision. Whatever gasoline did through July and into this week's whiplash lands in the exact data window the Bank will be reading.
Base Case Versus Tail Risk
The base case is that this week's pattern continues: the Oman channel keeps functioning as the only confirmed diplomatic track, oil trades in a range as headlines swing between de-escalation and threat, and vessel traffic through Hormuz stays well below normal without collapsing entirely. Kpler, the maritime data firm, described Brent as trading on rumour and headline more than on the underlying flow picture since April, with 110 US dollars a barrel as its estimated ceiling so long as China stays out of the buying.
The tail risk is that Trump's "today or tomorrow" framing is not just rhetoric. If Washington follows through on renewed strikes, the scenario that pushed Brent above 110 dollars earlier this year becomes live again, this time without the brief post-ceasefire recovery in shipping to cushion it.
Hormuz traffic has moved through four distinct phases since the ceasefire first opened in mid-June, and the current level remains a fraction of what the strait carried before the war.Figures are period averages reported by Kpler for distinct windows, not a continuous daily series. The Jun 15 to Jul 7 figure reflects the post-MOU peak before renewed strikes began.
What the Chain Means for a Canadian Portfolio
Canadian energy producers report earnings directly off the WTI price they realise in a given quarter, so the same whiplash rattling oil traders shows up in the cash flow and dividend coverage math for TSX-listed names within weeks, not months. The index itself carries a large enough energy weight that this single story can move the broad TSX composite on a day when nothing else in Canadian markets has changed. The Bank of Canada, meanwhile, is reading a July and August inflation picture shaped by the same headlines, arriving days before a rate decision that already had to account for a Canadian growth print running hotter than its own forecast. None of that requires the tail risk to materialise. The base case alone, a market trading on headline rather than flow, is enough to keep both the TSX energy sub-index and the inflation data noisy through Labour Day.