Plex Inventory Is Turning Over, Not Piling Up

Two plex figures, published side by side for July 2026, move in directions that normally do not go together. A rise in inventory is almost always written up as a sign of slowdown. Here the other figure forbids that reading. On how this segment's selling time behaved across regions, see our piece on plex selling times in both CMAs; this one deals only with Montreal and with the pool of listings.

Two figures that ought to travel together

The QPAREB release of August 6, 2026 gives, for plexes in the Montreal census metropolitan area, inventory up 14% year over year and a selling time of 46 days, eight fewer than a year earlier. The previous selling time was therefore 54 days.

These two measures usually run the same way, because they often observe the same thing. When properties become harder to place, they sit on the market longer, and because they overlap, their count at any instant rises. Inventory up alongside selling time up describes congestion, and that is the case people comment on most.

What the divergence rules out

Here the two figures contradict each other, and that contradiction is worth something: it eliminates the congestion explanation. If properties were piling up for want of buyers, time on market could not be falling. It fell by eight days.

One route remains. A pool observed at an instant results from what enters it and what leaves it. If each property sits there a shorter time and the pool is nonetheless larger, more properties must have entered. The increase comes from new listings, not from slower sales. That conclusion needs no additional data; it follows by elimination.

The order of magnitude, and what it assumes

You can push one step further. How many properties a pool clears per unit of time approximates the ratio of the pool's size to the average length of stay. A pool 14% larger whose items each stay about 15% less time gives a ratio roughly a third higher.

That order of magnitude rests on an assumption better named than buried: that the published selling time correctly describes how long the whole pool sits. It does not, strictly, since it covers closed sales and therefore ignores listings withdrawn or expired, whose length of stay differs. The one-third figure is an indication of direction and rough size, not a measurement. Better to present it that way than to round it into a claim.

The measure that would settle it, and why it is absent

A single figure would lift this out of approximation: the number of plex sales in the region that month. With that and the inventory you get months of inventory for the segment directly, meaning how long it would take to clear the pool at the current pace. No assumption about withdrawals is then required.

That number is not in the segment data published for this month, which is why the detour through selling time was necessary. It is the question to ask before concluding firmly, and it is short: how many plexes sold in the CMA in July? Flagging what is missing beats filling the gap with an estimate dressed as a fact.

Why a refreshing pool is not negotiated like a static one

The distinction changes what is rational on both sides of the table. Facing a pool that accumulates, waiting pays for a buyer: properties stay available, stack on top of one another, and the choice widens without any need to hurry.

Facing a pool that refreshes, waiting costs something: the properties you were watching vanish during the hesitation, and what replaces them is not the same. A buyer treating this segment as a congested market risks losing whatever they were examining. Two markets can show the same listing count and call for opposite conduct, depending on whether that count sits still or recomposes continuously.

What a plex owner takes away

Two effects pointing opposite ways, to be held together rather than picked between. On one side, more competing properties are visible at the same moment, which makes positioning at listing more demanding: a mispriced listing stands out immediately in a fuller field.

On the other, this segment is placing properties faster than a year ago, which is the opposite of a market that is clogging. Keeping only the inventory rise, as people instinctively do, means ignoring half the available information and preparing for a market other than the one in front of you.