SimpleFunctions
10 source contracts·Kalshi 3 + Polymarket 7·refreshed just now·Closes Jan 20, 2029 · 957d

How many pieces of legislation will Trump sign into law in April?

Bracket4

Liquidity-weighted aggregate sits at 26% across 10 contracts. Kalshi at 25%, Polymarket at 26%.

Implied probability

26%
0%50%100%

Kalshi

25%

3 contracts

Polymarket

26%

7 contracts

Cross-venue gap

1pp

tight

24h move

no pin

24h volume

$48

10 contracts

Closes

Jan 20, 2029

957 days

30-day trend

0%50%100%-30d-3w-2w-1wtodayAggregate: 25% (30 days, 30 points)Aggregate: 25% on 2026-06-07
Aggregate of 10 contracts · 30d

Bracket families

3 clusters across 10 contracts.

These contracts were grouped by title similarity. The headline aggregate combines all clusters; verify the cluster you actually need before quoting a number.

Analysis

This market estimates the probability that Trump will sign exactly four pieces of legislation into law during April 2026. The 21% aggregate probability reflects a significant disagreement between venues, with Kalshi traders pricing it 18 percentage points higher than Polymarket participants. Legislative output depends on the Republican majority's agenda priorities, procedural speed in Congress, and whether bills face significant opposition requiring compromise. The main drivers of the current probability are the baseline pace of legislative activity under unified Republican control and how contested or streamlined priority bills are. Resolution hinges on official records of bills signed in April 2026, which will be definitively documented by the White House legislative tracking system.

  • Republican legislative priorities and scheduled floor votes in April 2026
  • Average pace of bill signings in prior months under current Republican control
  • Whether major legislation faces filibuster or requires 60-vote Senate consensus
  • Time spent on procedural matters versus substantive legislative debate
  • Cross-venue disagreement suggests material uncertainty about April legislative output that historical data alone may not resolve

What moved the line

  • Jun 6214pp3246¢ · Kalshi
  • Jun 4311pp3322¢ · Kalshi
  • Jun 447pp103¢ · Kalshi
  • Jun 1101-1k6pp1521¢ · Polymarket
  • Jun 4500-600k6pp1925¢ · Polymarket

Recently closed in trump

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How we compute these odds

SimpleFunctions aggregates live prediction-market contracts from Kalshi and Polymarket. Each slug groups contracts that resolve on the same underlying event, identified by venue event_id.

For binary slugs, the headline probability is the liquidity-weighted mid-price across all bound contracts. For multi-outcome slugs (e.g. elections with 3+ candidates), the headline is the leader’s price; we never arithmetically average disjoint outcomes — that would produce a number with no real-world meaning.

Snapshots refresh every 5 minutes during market hours; daily aggregates are computed at 04:00 UTC. The 30-day sparkline is drawn from per-ticker daily means stored in market_indicator_daily; 24h delta and movement events are derived from the same source.

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