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Will Mamdani freeze NYC rents before 2027?

This market will resolve to “Yes” if both the following occur: 1.

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Current leader
No 66%
Leader 24h
-0%
24h volume
107.7
Liquidity
9.9K

Top outcomes

2 outcomes

No

66%

-0% 24h

Yes

34%

+0% 24h

Market rules, made readable

Official description

How this market is decided

See what is changing

Resolves Yes

This market will resolve to “Yes” if both the following occur: 1.

Resolves No

If Mamdani is confirmed to have lost the 2025 NYC Mayoral election by a consensus of credible reporting, this market will immediately resolve to “No.” The resolution source for this market will be a consensus of credible reporting and official Rent Guidelines Board materials.

Zohran Mamdani wins the 2025 NYC Mayoral election. 2. The New York City Rent Guidelines Board implements rent adjustments at 0.0 % for both one-year and two-year renewal leases for rent-stabilized apartments citywide by December 31, 2026, 11:59 PM ET. The policy will be considered implemented only if a 0.0 % increases for both one-year and two-year renewal leases is in effect by the resolution date.

An announced intention or proposed order not yet effective will not qualify. Orders that are blocked, enjoined, or otherwise prevented from taking effect by the deadline will not qualify. If the policy is enacted through another official mechanism, including but not limited to a mayoral executive order, local legislation, or state law, and goes into effect by the resolution date it will qualify.

Read the complete resolution rules

Orders that apply only to one lease term (e.g., 0 % on one-year but > 0 % on two-year), apply only to specific unit types (e.g., hotels or SROs), or relate to non-stabilized units will not qualify.

Policies which include limited exceptions — such as exclusions for specific categories of rent-stabilized units (e.g., hardship exemptions, temporarily exempt buildings, or administrative carveouts) — will still qualify as long as a general policy of 0 % rent adjustment for both one-year and two-year renewal leases on rent-stabilized apartments and lofts is in effect citywide.

Living timeline · 1 significant update

Yes odds fell despite reports that NYC approved Mamdani rent freeze

Odds chart

Probability over time

Odds chart showing latest No probability of 8%.

Story so far

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No story summary has been written yet.

No major update has changed the story in 20 days.

Latest update

Yes odds fell despite reports that NYC approved Mamdani rent freeze

Polymarket showed Yes down 3.5 points, from 37.5% to 34.0%, over June 23-24. Matched sources published later reported NYC’s rent board approved a two-year rent freeze tied to Mamdani’s pledge.

Why this matters

Market moves can show where expectations are changing. PolySays adds the source trail so the price is not treated as proof on its own.

Known catalysts

  • No catalyst has been confirmed yet.

Unresolved questions

  • No open questions have been logged yet.

People and institutions to watch

Nothing specific is being tracked yet.

Source trail

No public sources are attached yet.

Living timeline

Significant updates

  1. The market’s Yes outcome moved lower by 3.5 percentage points, from 37.5% to 34.0%, during the supplied 24-hour window from 2026-06-23T19:22:14.231Z to 2026-06-24T19:22:14.231Z. The matched source set is clustered on June 26 and reports that New York City’s Rent Guidelines Board approved or enacted a rent freeze, with several headlines describing it as fulfillment of Mayor Mamdani’s campaign pledge. Because those articles appear after the odds-movement window, the available context supports a confirmed news development but does not establish that the later reporting caused the earlier odds plunge. The move may reflect market positioning before the final vote, uncertainty about market resolution language, or other factors not documented in the supplied sources.

    What changed

    Yes fell from 37.5% to 34.0%, a 3.5-point drop, before the matched June 26 reports describing approval of the rent freeze.

    What to watch next

    Watch for official resolution language, effective dates, and any clarification on whether the board action satisfies the market’s “before 2027” criteria.

    Sources