Canada’s inflation story just moved upstream—and the numbers are difficult for policymakers to ignore. September producer prices rose 2.0% month over month, accelerating from the previous 1.3% increase, while the year-over-year gain reached 14.5%, up from 13.5%.

That pressure was even more pronounced in raw materials. The raw materials price index climbed 4.8% month over month, compared with 3.3% previously, and rose 27.0% year over year versus 22.9%. With markets already pricing an 80% chance of a Bank of Canada rate hike on October 28, the data gives traders another reason to keep a tighter-policy scenario front and center.

The figures come from a producer-price backdrop that can shape expectations before changes appear more clearly elsewhere in the economy. Producer prices capture what businesses pay and receive earlier in the supply chain. When those costs rise sharply, markets may ask whether the pressure will eventually filter through to consumer prices, business margins or both.

That does not make a hike certain. But it may reinforce the case for the Bank of Canada to remain focused on inflation rather than treating the latest price pressure as a passing gust. The month-over-month acceleration in both producer prices and raw materials suggests that September was not simply a story of a high annual comparison. The fresh increases were also stronger than the previous readings.

The October 28 trade is about expectations

For traders, the key question is not merely whether the Bank of Canada moves. It is how the decision compares with the 80% probability already embedded in markets. A hike would align with the prevailing expectation, while a decision to hold could force participants to reassess how much weight they should place on the producer-price data.

The policy signal may matter as much as the decision itself. If officials emphasize the persistence of upstream inflation, expectations for tighter Canadian monetary policy could gain traction. If they indicate that the data does not warrant an immediate response, the market may focus more heavily on the uncertainty around the next move.

That makes the Canadian dollar a direct pressure point. A more hawkish interpretation could support the loonie by lifting expectations for Canadian rates, while a less forceful message could weaken that support. The currency’s reaction may therefore depend on the gap between what markets have priced and what policymakers deliver.

TSX sectors in the crosscurrents

TSX-listed banks may also see trading sensitivity around the decision. Higher rates can influence lending economics and borrowing demand, but they can also change how investors value financial stocks and assess the broader credit environment. The producer-price data alone does not settle that debate; it raises the stakes for the policy reaction.

Rate-sensitive sectors face a similarly delicate setup. A stronger case for tighter policy could weigh on areas whose valuations are particularly responsive to interest-rate expectations. Conversely, any sign that the Bank of Canada is less inclined to respond immediately may ease that pressure.

For a detailed snapshot of the September data, the reported producer-price figures show just how sharply the latest readings accelerated. The market now has a clear numerical anchor: an 80% hike probability meeting producer-price growth of 14.5% year over year and raw-material inflation of 27.0%.

That combination may keep Canadian rates, the loonie and the TSX’s most rate-sensitive corners moving in the same policy spotlight until October 28. The inflation data strengthens the hawkish argument, but the final verdict still belongs to the Bank of Canada.