Canada’s August Inflation Report Lands Monday With a Rate Hike Priced In
When the Bank of Canada met on September 2, CORRA futures had priced essentially nothing into the decision, roughly 0.3 basis points. Ten days later the same market prices a 62% chance the Bank raises its policy rate by 25 basis points on October 28, with 15.50 basis points priced into that meeting. That figure is implied by CORRA futures, our calculation, as of Friday’s close. It was 54% on Friday morning, before the US inflation print landed.
Statistics Canada publishes the Consumer Price Index for August on Monday, September 14 at 8:30 a.m. ET. It is the first inflation reading since that repricing, and it arrives with the market leaning one way and the last three months of data leaning the other. The awkward part, and the reason Canada CPI for August 2026 is worth reading carefully rather than quickly, is that the number everyone will quote by 8:31 is close to the least informative line in the release.
A hold, a warning, and a repricing
The Bank of Canada held its policy rate at 2.25% on September 2. The rate has sat there since October 30, 2025, when the Bank cut from 2.50%.
Two sentences in the Bank of Canada’s September 2 rate decision press release are doing all the work in the current pricing. The first: “CPI inflation has been hovering around 3% in recent months, mainly because of persistently higher gasoline prices.” The second: “The longer that high oil prices and elevated refinery margins persist, the greater the risk of spillover to the prices of other goods and services.”
Read those together and the Bank’s position is legible. Three percent inflation that lives in one category is tolerable. Three percent inflation that leaks into everything else is not. The market’s shift from nothing priced to a hike more likely than not is, in effect, a bet on the second sentence.
The headline is close to pre-decided
RBC Economics, in forward guidance published September 11, expects “headline Consumer Price Index growth to hold at 3% year-over-year,” with “core inflation expected to hold around 1.9%.” On gasoline, RBC writes that prices “edged lower in August from July, but were still up 23% from a year ago.” Food inflation “is expected to remain around the 3% mark in August.”
That is a forecast, not a result, and Monday can surprise. But it sets up the problem cleanly. If the headline prints near 3.0%, it confirms what the Bank already said on September 2 and tells a reader almost nothing new.
The July release is the reference point. Headline CPI rose 3.0% year over year in July, after 2.8% in June, and 0.5% month over month (0.3% seasonally adjusted). Gasoline was up 25.7% year over year, against 20.5% in June. Travel tours rose 15.2%, against 6.8% a month earlier. Nova Scotia carried the highest provincial rate at 5.0%. Working the other way, food purchased from stores decelerated.
And then the line that matters: CPI excluding gasoline rose 2.2% in July, the third consecutive month at that pace.
The line that carries information is core
The risk the Bank named is spillover, and spillover by construction does not show up in headline CPI. It shows up in the measures built to strip out exactly the kind of single-category shock gasoline is currently delivering: CPI excluding gasoline, and the Bank’s two preferred core measures.
Those measures are not cooperating with the hike thesis. From Statistics Canada table 18-10-0256, CPI-trim ran 1.9% year over year in July, unchanged from June. CPI-median ran 2.0%, against 1.9% in June. Both sit at or below the Bank’s 2% target while the headline sits at 3%.
Source: Statistics Canada tables 18-10-0004 and 18-10-0256, via the StatCan Web Data Service. Data through July 2026.
The chart is the argument in one image. Over fourteen months, headline inflation climbed from 1.9% in June 2025 to 3.0% in July 2026 while CPI-trim fell from 3.1% to 1.9%. The two lines crossed in March 2026 and have travelled in opposite directions since.
RBC makes the same observation in its own words, noting that the Bank warned energy spillover could push it to raise rates, but that “actual evidence of that pass-through to-date has been limited beyond the direct impact on gas prices.”
That is how the Bank could sit at 2.25% with a 3% headline without looking negligent. It is also the standard Monday’s release will be measured against.
The oil that moved the pricing is not in Monday’s data
Here is the part being skipped in the rush to Monday’s number.
What repriced the October meeting this week was crude. On our calculation from daily settlement prices, WTI averaged $82.45 USD in August 2026. It has averaged $94.45 USD in September through Friday, and it traded above $100 USD on Thursday and Friday, its first closes above that level since May.
None of that is in Monday’s release. Monday covers August. The September move lands in the September CPI, published October 19, nine days before the October 28 decision, which carries a Monetary Policy Report with it.
So there is exactly one inflation report between Monday and the October decision that can carry the oil shock, and Monday’s is not it.
One caution on the mechanics, because the link is looser than it looks. A crude average does not determine the CPI gasoline index. Canadian pump prices carry refining margins, taxes and the exchange rate, which is the Bank’s own point when it flags “elevated refinery margins” alongside oil prices. July is the illustration: the gasoline index rose 25.7% year over year, a far wider move than the crude comparison over the same stretch. Pass-through is real, but it is not one-for-one and it is not instant.
What Monday actually answers
Monday is the control reading. It answers one question: has the spillover started?
If CPI-trim and CPI-median hold near 1.9% and 2.0%, the 62% hike pricing rests on a forecast of spillover rather than evidence of it. That is a legitimate thing for a market to price, but it is a different thing, and it is more fragile. If the core measures move up, the pricing has something underneath it going into a September CPI that will carry the oil.
Neither outcome decides anything. Market pricing is not a decision. The Bank has a Monetary Policy Report to write and six more weeks of data before October 28.
The week that set this up
Context, briefly. The S&P/TSX Composite fell from 36,513.80 to 35,697.49 between the Friday September 4 close and the Friday September 11 close, a loss of 2.24% across four sessions, since Labour Day Monday took one out of the week. That is the index’s worst week since the week ended March 20, 2026. The TSX is down 1.58% month to date, though Friday itself closed up 0.54%.
Measured with iShares TSX sector ETFs as proxies, energy was the only sector higher on the week, up 1.23%. Financials fell 1.61%, gold 1.80%, utilities 1.91%, real estate 2.12% and technology 2.64%. The shape is consistent with the story above: the one sector that benefits from the oil price held up, and the rate-sensitive corners took the damage.
If rate expectations can swing to a 62% hike in the space of a fortnight, the holding worth checking first is the one whose valuation moves most directly with the discount rate. That is Canadian REITs, the second-weakest sector on the week and the most rate-exposed corner of the TSX.
The rest of the calendar is thinner than the CPI print suggests. StatCan also releases July manufacturing sales at 8:30 Monday, with wholesale trade Tuesday, building permits Wednesday and August producer prices Thursday. The Fed’s decision on Wednesday at 2:00 p.m. ET comes with updated projections and we have covered it separately. Dollarama reports earnings Wednesday morning.
Data as of the close on Friday, September 11, 2026.
Disclaimer: The content on bestcanadianstocks.ca is for informational and entertainment purposes only and does not constitute financial advice. Past performance is not indicative of future results. Always consult a qualified financial advisor before making investment decisions. Market data as of the close on Friday, September 11, 2026. Inflation data as published by Statistics Canada through July 2026.
