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GuidesMARKET DATA

Numbers with
agendas attached

Every quarter produces market reports; every report produces headlines; most headlines mislead someone. Knowing what each metric measures — and omits — turns data back into information.

Before you read on

  • General information as of August 2026.
  • Report methodologies differ by publisher; compare within series, not across them.
  • The mix-effect trap in Section 2 explains most 'surprising' headlines.

Point 1The metrics and their meanings

Median sale price: the middle transaction — robust to outliers, hostage to mix. Average price: penthouse-sensitive, headline-friendly, least informative. Price per square foot: the comparison workhorse, still mix-exposed. Days on market: demand's thermometer, resettable by relist games. Absorption/months of supply: inventory against sales pace — the balance metric professionals watch first. Discount from ask: negotiability's gauge, anchored to asking strategies that themselves shift.

Contract signings versus closings: signings are the market now; closings report deals struck months ago (new development distorts this maximally — closings today may reflect contracts from years back). Reports built on closings describe the past wearing the present's date.

Point 2The mix trap

The classic head-fake: 'median price falls 8%' — because luxury paused and starter units transacted, moving the middle without any single apartment losing value. Or the reverse: new-development closings of high-floor units 'raise prices' while resales sit flat. Mix effects — the composition of what sold shifting under the metric — generate most dramatic headlines in thin-slice markets like Manhattan's.

The antidotes: same-store thinking (repeat-sales indices track identical properties over time), segment-level reads (your line, your size, your neighborhood — not 'Manhattan'), and price-per-foot within narrow cohorts. When a headline surprises you, the first question is always: what sold differently, rather than what repriced?

Point 3Reading like a professional

The seasonality overlay from our timing guide applies to every metric: comparing March to January discovers spring, not strength. Year-over-year within the same series is the honest frame; sequential quarters mostly measure the calendar.

HabitWhy
Trend beats levelThree quarters' direction outweighs any single print
Within-series comparisonMethodologies differ; publishers' own history is consistent
Signings over closingsThe market's present tense
Segment down relentlessly'The market' is not your market
Absorption firstSupply-demand balance predicts pricing pressure
Note the author's businessBrokerages, lenders, and media each tilt honestly

Reports are inputs to a read, never the read itself.

Point 4Building your own read

For any specific decision — buy this line, sell this apartment, hold this rental — the general reports yield to a private dataset your agent assembles: closed sales in the building and true comparables (public record), current competing inventory and its sitting time, signed-contract prices where knowable, and rental comparables if yield matters. Twenty rows of relevant data beat any citywide report.

The public sources feed it free: ACRIS for closed prices, listing platforms for inventory and history, the city's rolls for taxes. Our own market pages track the macro layer. The discipline is matching data scale to decision scale — citywide reports for citywide questions, building-level data for building-level money. Most expensive mistakes borrow conviction from the wrong scale.

Why do market reports contradict each other?

Different methodologies, periods, and closings-versus-signings bases — plus mix effects hitting each differently. Compare within one publisher's series and segment down to your slice.

What is the mix effect?

The composition of what sold shifting the metric without properties repricing — luxury pausing 'drops' the median citywide while nothing loses value. It explains most dramatic headlines.

Which metric matters most?

For balance: absorption (months of supply). For your decision: building-and-line comparables. Medians and averages are context, not conclusions.

Are days-on-market numbers reliable?

Directionally — though relisting practices reset clocks and vary by platform. Trend within a consistent source over quarters is the usable signal.

Should I wait for reports before deciding?

Reports describe months-old deals; signings and current inventory describe now. Decision-grade data is the narrow, current set your agent assembles — reports are background.

Where can I check data myself?

ACRIS for closed prices, the listing platforms for inventory and history, city rolls for taxes — all public. Our market pages carry the macro layer refreshed monthly.

Let’s talk first

Deciding something specific? We will assemble the twenty rows that answer it — and translate whatever the headlines are shouting.

Real estate brokerage services are provided through R New York.

Important notice

The figures on this page are general information as of August 2026 and do not represent an offer, a quote, or a guarantee of any transaction terms. Reinvent NY does not provide legal, tax, or investment advice. Confirm anything material with an attorney and a CPA before you act on it. Nothing here is a solicitation to invest, and no return is promised. Real estate brokerage services are provided through R New York.