Arbitrage Radar

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7 Active Trades
Billionaire one-time wealth tax on California ballot?

Will a one-time tax on billionaires ballot initiative in California pass? [In 2026]

+29.0%
Cost: $0.710
BUY [NO] on Polymarket ($0.31) AND BUY [YES] on Kalshi ($0.4) (SUBSET FREE-ROLL)
Polymarket Trade ↗
YES
$0.700
NO
$0.310
Kalshi Trade ↗
YES
$0.400
NO
$0.620
Catalyst Intel: The news snippets confirm the existence of a proposed 'Billionaire Tax Act in California' and outline the common arguments for (funding education and healthcare) and against it (harming innovation, economic instability, relocation of wealth). While this information is directly relevant to the market, it does not present a new, massive, and decisive event or development that would significantly alter the probability of the ballot initiative passing beyond what is already understood about such proposals. The articles describe the current state of the debate rather than introducing a game-changing catalyst.
Found: Apr 7, 2026 10:24 AM
Legal Reasoning: Market A resolves to 'Yes' if a specific ballot initiative is certified by June 25, 2026, for the November 3, 2026 California election. Market B resolves to 'Yes' if such an initiative 'passes' voter approval. For Market B to resolve to 'Yes', the initiative must first be certified and appear on the ballot. Market A imposes a stricter, earlier deadline (June 25, 2026) for this certification compared to the implicit requirements for Market B. If an initiative is certified after June 25, 2026, but still makes it onto the November 3, 2026 ballot and passes voter approval, Market B would resolve to 'Yes' while Market A would resolve to 'No'. This scenario indicates that Market A's conditions are stricter or have an earlier deadline for a prerequisite event compared to Market B's resolution condition, fitting the definition of A_SUBSET_OF_B, despite the parenthetical clause in the definition not being strictly met due to the possibility of certification by June 25 but failure to pass voter approval.
Found: Apr 7, 2026 10:24 AM
Texas Senate Election

Will GOP Nominee be Ken Paxton AND General Election Winner be Republican for Jan 2027? [Paxton beats Talarico]

+18.0%
Cost: $0.820
BUY [NO] on Polymarket ($0.45) AND BUY [YES] on Kalshi ($0.37)
Polymarket Trade ↗
YES
$0.560
NO
$0.450
Kalshi Trade ↗
YES
$0.370
NO
$0.640
Catalyst Intel: No news was provided to evaluate for a catalyst regarding Ken Paxton's nomination or the general election outcome.
Found: Mar 30, 2026 8:00 AM
Legal Reasoning: For Market A to resolve to 'Paxton beats Talarico', Ken Paxton must be the Republican nominee and win the 2026 Texas U.S. Senate election. This outcome directly matches the conditions for Market B to resolve 'Yes' (GOP Nominee: Ken Paxton, General Election Winner: Republican). The timeframe for a 2026 election, including potential run-offs, would typically see the winner determined and called by news sources (Market A's primary resolution method) well before Market B's 'before Jan 2027' deadline. Assuming standard political definitions and avoiding pedantic edge cases, the conditions and timeframes are virtually identical.
Found: Mar 30, 2026 8:00 AM
Texas Senate Election

Will GOP Nominee be Ken Paxton AND General Election Winner be Republican for Jan 2027? [Paxton beats Talarico]

+18.0%
Cost: $0.820
BUY [NO] on Polymarket ($0.45) AND BUY [YES] on Kalshi ($0.37)
Polymarket Trade ↗
YES
$0.560
NO
$0.450
Kalshi Trade ↗
YES
$0.370
NO
$0.640
Catalyst Intel: No news was provided to evaluate for a catalyst regarding Ken Paxton's nomination or the general election outcome.
Found: Mar 30, 2026 8:00 AM
Legal Reasoning: Market B has stricter conditions. Market A resolves 'Yes' if Ken Paxton wins the 2026 midterm Texas U.S. Senate election, regardless of his party affiliation (e.g., if he wins as an independent). Market B, however, requires two specific conditions: Ken Paxton must be the GOP Nominee AND a Republican must win the General Election. Therefore, if Market B resolves 'Yes', Market A must also resolve 'Yes' (because Paxton, as the GOP nominee, won). However, Market A could resolve 'Yes' (if Paxton wins as an independent) while Market B resolves 'No' (because Paxton was not the GOP nominee). This means Market B's conditions are a subset of Market A's conditions for a 'Yes' resolution regarding 'Paxton defeats Talarico'.
Found: Mar 30, 2026 8:00 AM
Hottest year ever

Will 2026 be the hottest year on record? [Hottest]

+10.0%
Cost: $0.900
BUY [NO] on Polymarket ($0.64) AND BUY [YES] on Kalshi ($0.26) (SUBSET FREE-ROLL)
Polymarket Trade ↗
YES
$0.370
NO
$0.640
Kalshi Trade ↗
YES
$0.260
NO
$0.790
Catalyst Intel: Multiple regions, including Lubbock, Texas, and the UK, have already experienced record-breaking warm temperatures in early 2026 (March and April respectively). This indicates a strong trend towards 2026 being a globally hot year. The WMO Climate Report 2025 also highlights alarming global warming trends, providing a broader context for these specific regional records.
Found: Apr 7, 2026 5:06 PM
Legal Reasoning: Market A determines the numerical rank of 2026 among all years. If Market A resolves that 2026 is the #1 hottest year on record, this means its temperature value is higher than all preceding years, including 2025. Furthermore, applying real-world logic as per instructions, if 2026 is the hottest year on record, its temperature value will almost certainly exceed 1.28 degrees Celsius. Therefore, if Market A resolves to 2026 being the #1 hottest year, Market B's conditions (2026 > 2025 AND 2026 > 1.28 C) would be met. However, Market B's conditions can be met (e.g., 2026 is hotter than 2025 and above 1.28C) without 2026 being the absolute #1 hottest year on record (e.g., if an earlier year like 2023 was even hotter than 2026). Thus, the outcome where Market A resolves to 2026 being #1 is a stricter condition that implies Market B's conditions are met.
Found: Apr 7, 2026 5:06 PM
Filibuster change this year?

Filibuster weakened before 2027 [Before 2027]

+6.0%
Cost: $0.940
BUY [NO] on Polymarket ($0.75) AND BUY [YES] on Kalshi ($0.19) (SUBSET FREE-ROLL)
Polymarket Trade ↗
YES
$0.390
NO
$0.750
Kalshi Trade ↗
YES
$0.190
NO
$0.830
Catalyst Intel: The news indicates that Republicans are actively using "filibuster-proof" legislative processes, such as reconciliation, to bypass Democratic obstruction and pass their priorities. This demonstrates a practical weakening of the filibuster's power in legislative action, occurring before 2027.
Found: Apr 7, 2026 9:06 AM
Legal Reasoning: Market A requires a specific event: a cloture motion passing with fewer than three-fifths of Senators on a legislative matter. For such a motion to pass, the filibuster threshold must first have been lowered for the legislative process. Market B is broader, resolving to "Yes" if the filibuster threshold is lowered in any capacity (e.g., for legislative matters, confirmations, or both) and does not require an instance of a cloture motion passing. If Market A resolves "Yes," it inherently means the filibuster threshold was lowered, making Market B also resolve "Yes." However, Market B could resolve "Yes" without Market A resolving "Yes" if: 1) the threshold is lowered only for confirmations (which Market A explicitly excludes), or 2) the threshold is lowered for legislative matters, but no actual cloture motion passes under the new threshold before the deadline. Therefore, Market A's conditions are stricter than Market B's.
Found: Apr 7, 2026 9:06 AM
Annual GDP

GDP growth in 2026? [0.0 or below]

+5.1%
Cost: $0.949
BUY [NO] on Polymarket ($0.879) AND BUY [YES] on Kalshi ($0.07)
Polymarket Trade ↗
YES
$0.135
NO
$0.879
Kalshi Trade ↗
YES
$0.070
NO
$0.950
Catalyst Intel: Multiple economic forecasts for 2026, including those for Canada, ASEAN+3, and India, explicitly cite the ongoing Middle East conflict/Iran war as a significant source of uncertainty and a downside risk to GDP growth projections. The ASEAN+3 Macroeconomic Research Office (AMRO) specifically states its 2026 growth forecast would be higher if not for the Iran war, indicating a widespread negative impact on global economic prospects.
Found: Apr 7, 2026 2:36 PM
Legal Reasoning: Market A specifies the exact data source and methodology (BEA Advance Estimate for Q4 2026, seasonally adjusted and annualized GDP growth rate for full year 2026) for the condition 'GDP growth in 2026 below 0.0'. Market B uses a more general phrasing 'GDP growth in 2026 below 0.0'. Assuming standard definitions for economic data, Market B implicitly refers to the same official metric specified by Market A. Therefore, the conditions and resolution criteria are virtually identical.
Found: Apr 7, 2026 2:36 PM
California Governor's race winner.

Who will win the governorship in California? [:: Democratic]

+5.1%
Cost: $0.949
BUY [YES] on Polymarket ($0.269) AND BUY [NO] on Kalshi ($0.68) (SUBSET FREE-ROLL)
Polymarket Trade ↗
YES
$0.269
NO
$0.734
Kalshi Trade ↗
YES
$0.330
NO
$0.680
Catalyst Intel: None
Found: Apr 8, 2026 2:16 AM
Legal Reasoning: Market B's condition (a Democratic candidate wins) is a specific party outcome that is a subset of the broader 'who wins' outcome of Market A. If a Democratic candidate wins (Market B's condition), then a specific candidate must have won, fulfilling a potential outcome of Market A. However, Market A can resolve to a non-Democratic winner, in which case Market B's condition is not met. Market A also includes a deadline for confirmation, after which it resolves to 'Other', a scenario not explicitly covered by Market B's template; however, this is treated as a rare edge case per instructions and does not fundamentally alter the subset relationship.
Found: Apr 8, 2026 2:16 AM