The world’s most important central bank kicked off its rate-hiking cycle yesterday, and now everyone wants to know one thing: how high will Canadian rates go?

That includes economists, some of whom were calling for Bank of Canada rate cuts earlier this year and have since done a full 180, now predicting hikes will come sooner than expected. (Gotta love forecasting: where conviction has a shelf life of about six months.)

But there’s a wrinkle. The Bank of Canada’s preferred inflation gauge — average core inflation — is still sitting below target at 1.95 per cent. So some skeptics don’t see enough pass-through from oil, tariffs and the rest to justify a serious hiking cycle.

Predicting how much rates will rise is a great way to become a screenshot on social media, so I’ll pass.

But here are three things that might help you size up your rate risk.

#1. Don’t let low core inflation fool you

The fact that our central bank’s favourite inflation measure is sitting below two per cent doesn’t mean a hike is off the table.

I went back through the record and found 38 instances where Canada’s prime rate rose even with core inflation at or below 2.0 per cent.

They came in clusters — 1992–2000, 2002–2006, 2010, and 2017–2018 — all periods when core inflation ran persistently below target, meaning the central bank was tightening largely for other reasons.

#2. The Bank of Canada doesn’t hike just once

If a hiking cycle does arrive, don’t expect our central bank to stop at one. It never has.

Governor Tiff Macklem all but confirmed as much at his Sept. 2 press conference, saying to expect “more than one increase” if tightening begins.

History, since the dawn of inflation-targeting, shows hiking cycles last about 2.5 years on average, with the Bank of Canada hiking just over 2.75 percentage points over that stretch.

That said, plenty of people think this cycle won’t need to be an “average” one, given:

• The GDP hit from our deteriorated U.S. trade relationship
• The limited scope of inflation (mostly energy-related)
• An economy that still has slack (“excess supply” as policy makers call it)
• Trump may hit us with more tariffs or trade restrictions before he’s out of office
• AI’s potential impact on employment.

Deep hiking cycles are usually the central bank’s answer to an overheating economy, and overheating is not exactly our problem right now.

Here’s some other context to anchor expectations:

• The shallowest hiking cycle in modern records was just 75 basis points, back in 2010.
• The central bank could hike 100 basis points and still be at “neutral,” the point at which rates are still not restricting the economy (theoretically, anyway).
• The Bank of Canada’s estimate of neutral ranges from 2.25 per cent — where we are today — to 3.25 per cent.

Put all this together, and the bond market’s implied 125 to 150 basis points of coming hikes seems reasonable, especially if inflationary tariffs and extreme oil prices are out of the picture by next year.

#3. Hope for the best, plan for the worst

If the Middle East conflict escalates, or tariff costs seep through the economy more broadly than expected, this cycle could end up being worse than average. In other words, it’s worth having a plan.

If that’s keeping you up at night, here’s your to-do list:

1. Run your mortgage through a payment calculator to estimate how much your payments could jump — either at renewal or right away if you’re on an adjustable rate.
2. Estimate how much leftover income you’ll have if rates rocket 200-plus basis points higher.
3. If your budget’s already tight, find something to cut back on to start building a savings buffer now, before you need one.
4. Consider refinancing while you still can — to pull out equity while home prices are stable, stretch your amortization for more payment flexibility or line up a HELOC as backup liquidity

In the meantime, we all need to keep watching the headlines — especially with oil, AI’s growth impact and the market’s reaction to the budding U.S. fiscal crisis.

Six weeks from now, the Bank of Canada meets again and we’ll get a clearer read on its intentions. Given what’s at stake, Governor Macklem might give us a few hints on his thinking before then.

• The best mortgage rates in Canada right now
• The best reverse mortgage rates in Canada right now

Robert McLister is a mortgage strategist, interest rate analyst and editor of MortgageLogic.news. You can follow him on X at @RobMcLister.

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