Scan: Will become law in New York City before Jan 1, 2027?

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Will become law in New York City before Jan 1, 2027? — Yes

KXNYCTAXBILLIONS-27JAN01 · Politics · 2026-04-15

Agent

16%

Market Price

-9.0%

Edge

72%

Confidence

Volume: 37,964

Spread: 4.0c

Days to resolution: 260

Markets in event: 1

Final Rationale

The question specifically requires a tax on 'incomes over $1 billion' — a threshold no US jurisdiction has ever enacted and for which no specific legislation has been introduced in NY. All active legislative proposals target $5M+ incomes, which would NOT satisfy resolution criteria. The Devil's Advocate correctly identified my 2-week post-budget-deadline information gap, which I adjust for modestly (+2-3%), but even budget deals incorporate proposals already under active discussion, not unprecedented $1B thresholds. The market at 16% likely reflects confusion between the $5M+ proposals gaining momentum and the $1B+ threshold this question actually requires; with only moderate liquidity, I believe the market is partially mispriced on resolution criteria.

Price vs. prediction

How the market moved after the agent's call. Solid blue line is the actual market price; dashed line is the agent's static forecast at $t{=}0$.

$n = 58$ follow-ups

1. Planner Opus · Fermi decomposition + tool plan

Tools chosen: kalshi_data article_search web_search wikipedia_lookup

Sub-questions (Fermi decomposition)

Will the New York State legislature pass a billionaire income tax surcharge bill affecting NYC residents before Jan 1, 2027? (w=0.45)
Will New York Governor Hochul sign a billionaire income tax surcharge bill into law before Jan 1, 2027? (w=0.35)
Is there currently active legislative momentum (introduced bills, committee votes, or budget negotiations) for a NYC billionaire tax surcharge in 2026? (w=0.20)

Planner reasoning

This question asks whether New York City will enact a new personal income tax bracket or surcharge specifically targeting incomes over $1 billion before January 1, 2027. Key analytical considerations: 1. **Legislative pathway**: NYC cannot unilaterally create new income tax structures — this requires New York State legislation (since NYC income tax is authorized at the state level). So the path is: NYS legislature passes bill → Governor Hochul signs → effective for NYC. The NY legislature is controlled by Democrats, which is favorable, but Governor Hochul has historically been cautious about tax increases on wealthy residents due to concerns about outmigration. 2. **Reference class**: NY has enacted 'millionaire tax' surcharges before (e.g., the 2009 millionaire tax, extended multiple times, and the 2021 top bracket increase). However, a $1 billion threshold is far more targeted and politically easier to sell. Progressive advocacy groups have long pushed for this. The reference class of 'has NY ever created a new ultra-high-income bracket' suggests occasional success but not certainty. 3. **Temporal analysis**: With 260 days until resolution (Jan 1, 2027), the NY legislature's 2026 session runs roughly through June 2026. For YES to occur, a bill would need to pass both chambers and be signed before end of 2026. The budget process (April 2026 adopted budget) may have already passed or be near completion — if it wasn't included in the FY2027 budget, standalone legislation becomes harder. Any mid-year special session is possible but less likely. 4. **Political dynamics**: Governor Hochul has faced pressure from progressives but has resisted aggressive wealth taxes previously. The federal political environment (Trump era) may create state-level revenue pressure, but may also heighten Hochul's caution about competitiveness. NYC Mayor Adams has his own political challenges. National Democratic politics around taxing billionaires is popular but implementation at state level faces lobbying resistance. 5. **Key distinguishing factors**: The $1 billion threshold is extremely high — this would affect very few people (perhaps dozens in NYC). This makes it politically easier to pass but also raises revenue concerns about behavioral response. This is different from a broader millionaire tax. 6. **Base rate estimate**: NY has enacted new top income tax brackets roughly 3-4 times in the past 20 years, or about once every 5-7 years. Given current progressive political pressure and the narrow targeting, maybe 15-25% probability, contingent heavily on whether this was included in the 2026 budget and Hochul's stance.

2. Research Parallel tool calls · legacy v2

Tool	Status	Time	Items
kalshi_data	OK	1.9s	-
article_search	OK	0.2s	-
web_search	OK	46.8s	-
wikipedia_lookup	OK	1.3s	-

3. Evidence Synthesis Sonnet · 12 items · legacy v2

#	Strength	Credibility	Direction	Source	Claim	Priced In
1	STRONG	82	↑ UP	web_search	Both the NY State Senate and Assembly included income tax surcharges on high earners (incomes $5M+) in their March 2026 one-house budget proposals, reflecting active legislative momentum for taxing top earners.	Yes
2	STRONG	82	↓ DOWN	web_search	The legislative proposals focus on incomes over $5 million (not $1 billion), meaning the specific $1B threshold in the question is NOT currently the centerpiece of legislative debate — the proposals are broader millionaire/high-earner surcharges.	No
3	MODERATE	75	↑ UP	web_search	NYC Mayor Zohran Mamdani has been pushing for tax increases on high earners, with both legislative chambers incorporating his proposals into their budget frameworks.	Yes
4	MODERATE	72	↑ UP	web_search	A 54% majority of NY voters and 62% of NYC voters support a tax hike on incomes over $1 million, per a Siena poll, indicating public support for the general direction of legislation.	Yes
5	STRONG	80	NEUTRAL	web_search	As of March 31, 2026, the NY legislature had failed to pass the state budget on time, with taxing high earners remaining the key sticking point in negotiations.	No
6	STRONG	78	↓ DOWN	web_search	Both chambers' proposals target incomes of $5M+ rather than $1B+, meaning a specific $1 billion surcharge has not been the focus of legislative votes or formal proposals identified in current reporting.	No
7	MODERATE	78	NEUTRAL	web_search	Senate proposed a 0.5% surcharge on top two income brackets ($5M-$25M and $25M+) expected to generate $1.1B; Assembly sought $2B from individuals making more than $5M annually.	Yes
8	STRONG	85	↓ DOWN	web_search	Governor Hochul did NOT include any income tax increases in her executive budget proposal and has 'steadfastly refused to raise income taxes,' representing a major barrier to signing any surcharge bill.	Yes
9	MODERATE	72	↓ DOWN	web_search	Hochul appears more open to corporate tax hikes than personal income tax increases, suggesting any potential compromise would likely not include a personal income tax surcharge.	Yes
10	WEAK	65	↓ DOWN	web_search	Republican Assembly Minority Leader warned that NYC income taxes would be 'a disaster,' signaling unified GOP opposition, though Democrats control both chambers.	Yes
11	MODERATE	60	↓ DOWN	kalshi_data	The Kalshi market for this question prices YES at 16%, up 4% in the past 7 days and up 5% in the past 30 days, indicating modest upward trend likely reflecting recent legislative activity.	Yes
12	MODERATE	58	NEUTRAL	kalshi_data	Kalshi market volume averages 290 contracts/day with a price range of 8-19% over 131 days, suggesting a moderate but real market with some uncertainty about the outcome.	Yes

Information Gaps

No data on whether a specific $1 billion income threshold bill has been formally introduced in either chamber — all evidence points to $5M+ brackets being the focus, not $1B+
No post-March 31 budget resolution data — unclear whether a budget deal was struck in April 2026 and whether it included any income tax surcharges
No information on Hochul's specific position on a $1B+ ultra-high-income surcharge as distinct from broader millionaire taxes
No data on whether the corporate surcharge authorization proposal for NYC advanced further
Unknown whether the budget stalemate resolved with any income tax compromise after March 31, 2026
No information on specific $1 billion threshold bills being introduced, hearings held, or committee votes taken

Key Uncertainties

Whether the $5M+ surcharge proposals in the legislature's one-house budgets could be narrowed or amended to a $1B+ threshold during negotiations
Whether Hochul will ultimately capitulate on income tax increases as part of a broader budget deal, given the stalemate
Whether any final enacted law would meet the specific '$1 billion' threshold required for YES resolution, vs. a lower threshold like $5M or $25M
How the budget impasse resolves post-March 31 — a late budget could still include tax provisions
Whether progressive pressure from Mayor Mamdani and the legislature is sufficient to move Hochul off her opposition to income tax hikes
The distinction between a NYC-specific surcharge vs. a statewide income tax increase — the question asks specifically about NYC residents

Market Context

Price: 0.16 · 7d: +0.04 · 30d: +0.05
Volume: MODERATE · Depth: MEDIUM
Reliability: MEDIUM — moderate volume (290 contracts/day), 131 days of data, price range suggests real uncertainty but market is not deeply liquid

4. Independent Forecaster Opus · No market price · legacy v2 Did NOT see market price

Independent estimate: 3% (82% confidence)

base rate

82% conf

evidence driven

82% conf

contrarian

82% conf

Spread

0pp

Low disagreement

sq1: Will the New York State legislature pass a billionaire income tax surcharge bill affecting NYC residents before Jan 1, 2027?

Base rate: NY has enacted new top income tax brackets roughly 3-4 times in 20 years, but these have always been broader millionaire-type taxes, never a $1B+ threshold. The critical evidence here is that ALL current legislative proposals target $5M+ incomes, NOT $1B+. No specific $1B threshold bill has been identified as introduced in either chamber. The legislature would need to either: (1) introduce and pass an entirely new $1B-specific bill, or (2) amend existing $5M+ proposals to narrow them to $1B+. Option 2 is counterintuitive — legislators want more revenue, not less, and narrowing from $5M to $1B would dramatically reduce revenue (from ~$1-2B to perhaps tens of millions). Option 1 has no legislative momentum. Even the broader $5M+ proposals face uncertainty due to the budget stalemate. The probability that the legislature specifically passes a $1B+ threshold bill (as opposed to a $5M+ or $25M+ bracket) is very low. Push DOWN strongly (~15-20%) from any base rate because the specific $1B threshold is essentially not being pursued. Final estimate: ~4%.

sq2: Will New York Governor Hochul sign a billionaire income tax surcharge bill into law before Jan 1, 2027?

35%

This is conditional on sq1 (the legislature passing such a bill). IF somehow a $1B+ surcharge bill made it through the legislature, would Hochul sign it? Hochul has 'steadfastly refused to raise income taxes' and excluded all income tax increases from her executive budget. However, a $1B+ threshold is politically much easier to accept than a $5M+ threshold — it affects perhaps 20-50 people in all of NYC, generates minimal revenue, and is extremely popular. If the legislature somehow passed this specific measure, Hochul might sign it as a low-cost political concession. But her general opposition to income tax increases is strong evidence against. Conditional probability of signing given passage: ~35%.

sq3: Is there currently active legislative momentum (introduced bills, committee votes, or budget negotiations) for a NYC billionaire tax surcharge in 2026?

There IS active momentum for taxing high earners generally — both chambers included $5M+ surcharges in one-house budgets, Mayor Mamdani is pushing hard, and public support exists. However, the specific $1B threshold is NOT the focus. No evidence of any introduced bill targeting $1B+ specifically. The momentum is for broader millionaire taxes, not billionaire taxes. The $5M+ proposals push UP slightly for general direction, but the absence of any $1B-specific bill pushes DOWN significantly. The distinction matters enormously for resolution. Active momentum for a $1B+ NYC-specific surcharge: ~8%.

Show full reasoning trace

base rate: NY enacts new top income tax brackets roughly once every 5-7 years, but these have always been millionaire-level thresholds ($1M-$5M), never $1B+. No US state has ever enacted a $1B+ income threshold. Base rate for this specific type of law is essentially 0% historically, though structural conditions (progressive legislature, budget pressure) create some non-zero probability.

evidence updates: Strong DOWN: No $1B-specific bill has been introduced; all proposals target $5M+. Strong DOWN: Hochul opposes all income tax increases. Moderate DOWN: Legislature's focus on $5M+ means $1B threshold would require a completely separate legislative effort with no current momentum. Slight UP: General progressive energy around taxing wealthy, Mayor Mamdani's advocacy, budget stalemate creating pressure. Net effect: heavily downward from any reasonable base rate.

combination method: Conditional: P(law enacted) = P(legislature passes $1B+ bill) × P(Hochul signs | passed) = 0.04 × 0.35 ≈ 0.014. Cross-checked with sq3 momentum assessment. Adjusted slightly upward to 0.03 to account for unknown developments post-March 31 (budget deal could theoretically include unexpected provisions) and the possibility that a $1B threshold could emerge as a political compromise.

final: The probability is very low (~3%) because: (1) no $1B-specific legislation exists or is being actively pursued, (2) all legislative energy targets $5M+ thresholds which would NOT resolve this question YES, (3) the Governor opposes income tax increases generally, and (4) even if some income tax increase passes in a budget deal, it would almost certainly use the $5M/$25M brackets already proposed. The 3% accounts for small residual probability of unexpected developments.

ensemble: {'ensemble_count': 3, 'perspectives': {'base_rate': {'p_yes': 0.03, 'confidence': 0.82}, 'evidence_driven': {'p_yes': 0.03, 'confidence': 0.82}, 'contrarian': {'p_yes': 0.03, 'confidence': 0.82}}, 'spread': 0.0, 'individual_p_yes': {'base_rate': 0.03, 'evidence_driven': 0.03, 'contrarian': 0.03}}

5. Devil's Advocate Sonnet · legacy v2 Market price revealed

Missing Info Reasoning Flaw Asymmetric Evidence Time Awareness Issue

Challenges

The forecaster assumes the question requires a $1B+ income threshold specifically, but the question text simply says 'billionaire income tax surcharge.' A $5M+ surcharge that applies to billionaires could potentially qualify depending on the exact resolution criteria. The forecaster should verify whether a broader high-income surcharge that captures billionaires would resolve YES — if so, the probability should be dramatically higher since $5M+ proposals have significant legislative momentum.
The forecaster has a critical information gap: no post-March 31 budget data exists in their evidence. With today being April 15, 2026 — two weeks after the budget deadline — it's entirely possible a budget deal was struck in early April that included income tax surcharges. Late NY budgets are common and often include tax provisions as part of grand bargains. The forecaster acknowledges this gap but doesn't adequately adjust upward for it.
The ensemble shows zero spread (all three perspectives at exactly 3%), which suggests the forecaster didn't genuinely consider alternative framings. A true contrarian perspective should have meaningfully diverged, particularly given the ambiguity in what 'billionaire income tax surcharge' means for resolution purposes.
The market has been trending upward (+4% in 7 days, +5% in 30 days) at moderate volume, which could reflect participants with access to more recent news about budget negotiations that post-date the forecaster's March 31 evidence cutoff. This informational asymmetry is a legitimate concern — the market may be incorporating April developments the forecaster cannot see.
The conditional probability of Hochul signing (35%) seems reasonable but possibly too low if we consider that a budget deal often involves horse-trading. If the legislature makes income tax surcharges a condition of the budget, Hochul might accept them as part of a package deal even if she opposed them in isolation. Historical precedent: Hochul agreed to extend temporary millionaire tax rates in previous budget deals despite initial opposition to tax increases.
The forecaster treats the $1B threshold interpretation as the only valid reading without seeing the actual question text (which is truncated — 'Will [blank] become law'). The missing question text is a significant issue — the forecaster may be answering the wrong question or applying the wrong resolution criteria.

Suggested adjustment: +7pp

The forecaster has two major reasoning issues: (1) a critical 2-week information gap since the budget deadline passed, during which a deal including income tax surcharges may have been struck — this alone warrants significant upward adjustment; (2) the question text is truncated and the forecaster may be applying an overly narrow interpretation of what qualifies (strictly $1B+ threshold vs. any surcharge affecting billionaires). The zero-spread ensemble also suggests insufficient consideration of alternative scenarios. The market's upward trend likely reflects post-March 31 information the forecaster lacks. Adjusting from 3% to ~10% to account for these gaps while still reflecting the genuine difficulty of passing new tax legislation.

Market comparison: Forecaster: 3%, Market: 16%. The 13-point divergence is likely partially explained by the forecaster's information gap (no data after March 31 despite April 15 date) and potentially by differing interpretations of the resolution criteria. However, some divergence may be justified if the question truly requires a $1B+ specific threshold. The market's moderate liquidity and upward trend suggest it may be incorporating real information about April budget developments.

6. Aggregator Opus · final calibrated forecast

7% (72% confidence)

7. Entry Decision Opus Trader

Side

Position Size

$1000

Contracts

1190

Trader Confidence

72%

Trade Rationale

The forecast at 7% is well below the market price of 16%, giving a 9% edge on the NO side. The key insight is that this market requires a tax on incomes over $1 BILLION — a threshold no US jurisdiction has ever enacted. Active NY proposals target $5M+ incomes, which wouldn't satisfy resolution criteria. The market price likely reflects confusion between millionaire tax proposals gaining momentum and the specific billionaire threshold required. The sub-question forecasts strongly support this: only 4% chance the legislature passes such a bill, and only 8% chance of active legislative momentum for this specific threshold. Forecaster confidence is 0.72, which is solid.

Allocation Logic

A 9% edge with 0.72 forecaster confidence warrants a standard $1000 position. The edge is meaningful but not enormous, and the 260-day horizon introduces some uncertainty. The Devil's Advocate flagged a 2-week information gap and suggested +7% adjustment, which the forecaster partially incorporated but the core thesis (no $1B threshold legislation exists) remains very strong.

Entry price: $0.84

Current: $0.92

Status: OPEN

P&L: $95.24