Arbitrage Radar

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

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

+27.0%
Cost: $0.730
BUY [NO] on Polymarket ($0.38) AND BUY [YES] on Kalshi ($0.35) (SUBSET FREE-ROLL)
Polymarket Trade ↗
YES
$0.640
NO
$0.380
Kalshi Trade ↗
YES
$0.350
NO
$0.660
Catalyst Intel: Multiple news snippets highlight significant negative economic consequences and strong opposition to the proposed billionaire tax in California. Warnings from economists suggest the tax could cost the state more than it brings in, with one report estimating a $536 billion loss in wealth from the tax base even before the initiative qualified. Furthermore, tech titans are reportedly threatening to leave California if the tax passes. These factors collectively represent a substantial negative economic and political headwind, making it highly unlikely for the initiative to pass.
Found: Mar 24, 2026 6:48 PM
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: Mar 24, 2026 6:48 PM
Texas Senate Election

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

+26.0%
Cost: $0.740
BUY [NO] on Polymarket ($0.43) AND BUY [YES] on Kalshi ($0.31)
Polymarket Trade ↗
YES
$0.600
NO
$0.430
Kalshi Trade ↗
YES
$0.310
NO
$0.770
Catalyst Intel: No news was provided to evaluate for a catalyst. Therefore, no catalyst can be identified for the market 'Will GOP Nominee be Ken Paxton AND General Election Winner be Republican for Jan 2027?'.
Found: Mar 24, 2026 5:30 PM
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 24, 2026 5:30 PM
OpenAI IPO timing.

When will OpenAI IPO? [Before Jan 1, 2027]

+21.0%
Cost: $0.790
BUY [YES] on Polymarket ($0.31) AND BUY [NO] on Kalshi ($0.48)
Polymarket Trade ↗
YES
$0.310
NO
$0.710
Kalshi Trade ↗
YES
$0.570
NO
$0.480
Catalyst Intel: OpenAI is actively preparing for an IPO, as evidenced by the disclosure of risk factors in a document resembling an IPO prospectus and the strategic decision to shut down Sora to streamline operations specifically ahead of a planned IPO. These are concrete actions taken by the company that directly relate to its IPO readiness and suggest increased imminence.
Found: Mar 24, 2026 6:24 PM
Legal Reasoning: Both markets are tracking the same event: OpenAI completing an Initial Public Offering (IPO) before January 1, 2027. Market A's definition of an IPO and resolution sources align perfectly with the natural interpretation of Market B's conditions. The specific clause in Market A regarding acquisition by an already public company explicitly states a scenario that would implicitly lead to a 'No' resolution in Market B, as OpenAI itself would not have performed an IPO. Therefore, the conditions and outcomes are virtually identical.
Found: Mar 24, 2026 6:24 PM
IPOs

Who will IPO before 2027? [Anthropic]

+19.0%
Cost: $0.810
BUY [YES] on Polymarket ($0.26) AND BUY [NO] on Kalshi ($0.55)
Polymarket Trade ↗
YES
$0.260
NO
$0.760
Kalshi Trade ↗
YES
$0.480
NO
$0.550
Catalyst Intel: Multiple news snippets indicate strong anticipation and even approval for several high-profile companies to IPO. SpaceX is "hurtling towards" an IPO, with analysts suggesting it could be "any day now." OpenAI and Anthropic are also mentioned as having "widely anticipated initial public offerings" and OpenAI is planning an IPO. Furthermore, Grifols has "approved a U.S. initial public offering of its U.S. biopharma business." These events significantly increase the probability of companies IPOing before 2027.
Found: Mar 24, 2026 9:42 PM
Legal Reasoning: Both markets predict whether Anthropic will complete an Initial Public Offering (IPO) by the end of 2026. Market A explicitly states 'completes an Initial Public Offering (IPO)', while Market B states 'Anthropic confirms an IPO'. In the context of prediction markets, 'confirms an IPO' is understood to mean the IPO has completed or is definitively occurring. Therefore, if the IPO 'completes', Anthropic will 'confirm' it, and vice versa. The deadlines are identical ('by December 31, 2026, 11:59 PM ET' is equivalent to 'before Jan 1, 2027'). Market A's resolution sources ('official company announcements or credible news sources') include Anthropic's confirmation. There are no conflicting conditions, definitions, or tie-breakers.
Found: Mar 24, 2026 9:42 PM
Filibuster change this year?

Filibuster weakened before 2027 [Before 2027]

+15.0%
Cost: $0.850
BUY [NO] on Polymarket ($0.66) AND BUY [YES] on Kalshi ($0.19) (SUBSET FREE-ROLL)
Polymarket Trade ↗
YES
$0.620
NO
$0.660
Kalshi Trade ↗
YES
$0.190
NO
$0.850
Catalyst Intel: Multiple news snippets indicate a growing bipartisan appetite to eliminate or significantly weaken the Senate filibuster. There are direct calls for it to be 'put on the chopping block' and reports of 'Democrats Have Already Killed the Filibuster' (even if hyperbolic, it reflects sentiment). Additionally, there are discussions of strategies to pass legislation that 'wouldn't be subject to a Democratic filibuster,' suggesting active attempts to bypass its power. These factors collectively point to a strong likelihood of the filibuster being weakened before 2027.
Found: Mar 24, 2026 6:24 PM
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: Mar 24, 2026 6:24 PM
World leaders out this year?

Will Benjamin Netanyahu leave Prime Minister of Israel before Jan 1, 2027? [:: Prime Minister of Israel]

+15.0%
Cost: $0.850
BUY [NO] on Polymarket ($0.49) AND BUY [YES] on Kalshi ($0.36)
Polymarket Trade ↗
YES
$0.530
NO
$0.490
Kalshi Trade ↗
YES
$0.360
NO
$0.650
Catalyst Intel: The news snippets primarily discuss Benjamin Netanyahu's strong stance on Israel's security, particularly regarding Iran and Hezbollah, and the complex relationship with the US on these matters. There's also mention of a domestic legislative debate regarding rabbinical courts. None of the provided information indicates a massive catalyst such as a no-confidence vote, a major scandal leading to resignation, or a definitive loss of coalition support that would strongly suggest he will leave office before January 1, 2027. The news reflects ongoing political and security challenges, which are typical for a prime minister, rather than an event that would force his departure.
Found: Mar 24, 2026 12:48 PM
Legal Reasoning: Both markets resolve to "Yes" if Benjamin Netanyahu announces resignation, steps down, or is removed from the position of Prime Minister of Israel. The deadline for both markets is identical: Market A specifies "by December 31, 2026, 11:59 PM ET", while Market B states "before Jan 1, 2027", which covers the exact same period. The conditions and timeframes are virtually identical, meaning if one market resolves to "Yes", the other will as well, and vice-versa. There are no stricter conditions, earlier deadlines, or conflicting rules that would lead to a different resolution.
Found: Mar 24, 2026 12:48 PM
IPOs

Who will IPO before 2027? [OpenAI]

+12.0%
Cost: $0.880
BUY [YES] on Polymarket ($0.36) AND BUY [NO] on Kalshi ($0.52)
Polymarket Trade ↗
YES
$0.360
NO
$0.660
Kalshi Trade ↗
YES
$0.520
NO
$0.520
Catalyst Intel: Multiple news articles indicate that major companies like SpaceX, OpenAI, and Anthropic are widely anticipated to go public, with some analysts suggesting SpaceX's IPO could be announced 'any day now'. Additionally, Grifols has approved an IPO for its U.S. biopharma business. These events represent significant catalysts for the 'Who will IPO before 2027?' market, suggesting a high likelihood of several prominent IPOs occurring within the timeframe.
Found: Mar 24, 2026 9:42 PM
Legal Reasoning: Both markets refer to an IPO by OpenAI. Market A's deadline is "by December 31, 2026, 11:59 PM ET", which is functionally identical to Market B's "before Jan 1, 2027". Market A's definition of an IPO ("first sale of stock...to the public on any recognized stock exchange") is a standard understanding of an IPO, and Market B's "confirms an IPO" would rely on the same event. Market A's negative conditions (merger, acquisition, cessation of existence) are implicit in Market B as well; if OpenAI doesn't exist, it can't IPO. There are no material differences in conditions or timeframes that would lead to divergent resolutions.
Found: Mar 24, 2026 9:42 PM
IPOs

Who will IPO before 2027? [Shein]

+12.0%
Cost: $0.880
BUY [NO] on Polymarket ($0.66) AND BUY [YES] on Kalshi ($0.22)
Polymarket Trade ↗
YES
$0.440
NO
$0.660
Kalshi Trade ↗
YES
$0.220
NO
$0.810
Catalyst Intel: Grifols has approved an IPO for its U.S. biopharma business. Multiple sources indicate that SpaceX is expected to IPO soon, with some analysts suggesting an announcement could be "any day now," and it's described as "hurtling towards" what could be the largest IPO in history. These events directly relate to companies going public, which is a massive catalyst for the market "Who will IPO before 2027?".
Found: Mar 24, 2026 9:43 PM
Legal Reasoning: Both Market A and Market B require Shein to complete an Initial Public Offering (IPO). Market A specifies 'completes an Initial Public Offering (IPO)... as confirmed by official company announcements or credible news sources,' while Market B states 'Shein confirms an IPO.' In a prediction market context concerning 'Who will IPO?', 'confirms an IPO' is standardly understood to mean confirming the *completion* of the IPO event, not just an intent or filing. Therefore, the core event for resolution is the same. The deadlines are also functionally identical: 'by December 31, 2026, 11:59 PM ET' for Market A and 'before Jan 1, 2027' for Market B. Market A's explicit 'No' conditions (merger, acquisition, ceases to exist) are implicitly covered in Market B, as an IPO cannot be confirmed if the entity no longer exists or is no longer independent. Both rely on credible public information for resolution.
Found: Mar 24, 2026 9:43 PM
Poilievre out as leader

Will Pierre Poilievre resign as the conservative party leader before Jan 1, 2027? [Before 2027]

+11.0%
Cost: $0.890
BUY [YES] on Polymarket ($0.1) AND BUY [NO] on Kalshi ($0.79)
Polymarket Trade ↗
YES
$0.100
NO
$0.940
Kalshi Trade ↗
YES
$0.250
NO
$0.790
Catalyst Intel: The news snippets discuss Pierre Poilievre's current political standing, campaign strategy, and media appearances, including his response to polls and his Joe Rogan podcast appearance. None of these events suggest a massive catalyst for his resignation. Other snippets are irrelevant to Poilievre's leadership.
Found: Mar 23, 2026 10:06 AM
Legal Reasoning: Both markets define the event (Pierre Poilievre resigning/leaving leadership or announcing such) and the deadline (by December 31, 2026 / before Jan 1, 2027) identically. Both also specify that an announcement before the deadline is sufficient for a "Yes" resolution, regardless of the effective date. The conditions and timeframes are virtually identical.
Found: Mar 23, 2026 10:06 AM
IPOs

Who will IPO before 2027? [Rippling]

+10.0%
Cost: $0.900
BUY [NO] on Polymarket ($0.78) AND BUY [YES] on Kalshi ($0.12)
Polymarket Trade ↗
YES
$0.410
NO
$0.780
Kalshi Trade ↗
YES
$0.120
NO
$0.890
Catalyst Intel: Multiple major companies, including SpaceX and Reliance Jio, are either on the verge of IPOing ('any day now,' 'gearing up') or actively preparing, with some smaller firms already filing. News snippets also refer to a '2026 Mega IPO Pipeline' and a '$3 Trillion Logjam,' indicating a strong expectation of significant IPO activity before 2027, despite some market turbulence and risks.
Found: Mar 24, 2026 4:37 PM
Legal Reasoning: Both markets resolve to 'Yes' if Rippling completes an IPO by the end of December 31, 2026. Market A specifies the deadline as 'December 31, 2026, 11:59 PM ET', while Market B states 'before Jan 1, 2027', which is functionally equivalent. The definition of IPO and the implicit confirmation mechanisms are also aligned, avoiding any conflicts or subset relationships for practical resolution. The 'No' conditions in Market A (merger, acquisition, cessation) are implicit outcomes for Market B as well, as these events would preclude Rippling from confirming an IPO.
Found: Mar 24, 2026 4:37 PM
IPOs

Who will IPO before 2027? [Applied Intuition]

+8.0%
Cost: $0.920
BUY [NO] on Polymarket ($0.78) AND BUY [YES] on Kalshi ($0.14)
Polymarket Trade ↗
YES
$0.250
NO
$0.780
Kalshi Trade ↗
YES
$0.140
NO
$0.910
Catalyst Intel: Multiple prominent companies, including SpaceX, OpenAI, Anthropic, and Grifols' US biopharma business, are explicitly mentioned as planning, anticipating, or having approved IPOs, with some expected 'any day now' and before 2027. This indicates significant activity in the IPO market, directly impacting the 'Who will IPO before 2027?' market.
Found: Mar 24, 2026 9:43 PM
Legal Reasoning: Both markets concern an IPO by 'Applied Intuition' by the same deadline of December 31, 2026, 11:59 PM ET (Market B's 'before Jan 1, 2027' is equivalent). Market A specifies 'completes an Initial Public Offering (IPO)' while Market B states 'confirms an IPO'. In prediction market contexts, 'confirms an IPO' is generally understood to mean confirming the completion of the IPO, not just an announcement of intent. The resolution sources are also consistent, relying on official confirmation or credible reporting. Market A's explicit 'No' conditions (merger, acquisition, cessation) would implicitly lead to a 'No' resolution in Market B as well if an IPO does not occur for these reasons. Therefore, the conditions and timeframes are virtually identical.
Found: Mar 24, 2026 9:43 PM
IPOs

Who will IPO before 2027? [Anduril]

+7.0%
Cost: $0.930
BUY [NO] on Polymarket ($0.73) AND BUY [YES] on Kalshi ($0.2)
Polymarket Trade ↗
YES
$0.290
NO
$0.730
Kalshi Trade ↗
YES
$0.200
NO
$0.860
Catalyst Intel: Multiple news snippets indicate upcoming or planned IPOs for several high-profile companies, including SpaceX, OpenAI, Anthropic, and Grifols' US biopharma business. SpaceX is described as 'hustling towards what is expected to be the largest IPO in history' and 'could be announced any day now'. OpenAI is mentioned with a 'planned IPO' and 'widely anticipated initial public offerings'. Grifols has 'approved a U.S. initial public offering of its U.S. biopharma business'. Anthropic is also listed among 'widely anticipated initial public offerings'. This collective information strongly suggests significant IPO activity before 2027.
Found: Mar 24, 2026 9:42 PM
Legal Reasoning: Both markets track the same core event (Anduril's Initial Public Offering) with identical deadlines ('by December 31, 2026' and 'before Jan 1, 2027' are equivalent). The resolution criteria for 'completes an IPO' (Market A) and 'confirms an IPO' (Market B) are considered equivalent for the purpose of a prediction market resolving on the occurrence of an IPO, especially when applying standard definitions. Market A's explicit 'No' conditions (merger, acquisition) would inherently prevent Market B's 'Yes' condition from being met by Anduril as the original entity. The resolution sources are also compatible.
Found: Mar 24, 2026 9:42 PM
IPOs

Who will IPO before 2027? [Ramp]

+7.0%
Cost: $0.930
BUY [NO] on Polymarket ($0.85) AND BUY [YES] on Kalshi ($0.08)
Polymarket Trade ↗
YES
$0.160
NO
$0.850
Kalshi Trade ↗
YES
$0.080
NO
$0.940
Catalyst Intel: While several companies like SpaceX, Databricks, and Reliance Jio are actively preparing for IPOs before 2027, there are significant warnings about the broader IPO market. News snippets highlight a potential "$3 Trillion Logjam" in the 2026 Mega IPO Pipeline due to "geopolitical shock" and the risk that the "broader IPO window" could close until well into 2027 if any major listings stumble. Kraken's IPO delay also cites "unfavorable market conditions." These broad market concerns represent a massive negative catalyst for the overall volume of IPOs before 2027.
Found: Mar 24, 2026 7:30 PM
Legal Reasoning: Both markets resolve to 'Yes' if Ramp completes an IPO by December 31, 2026. Market A specifies 'completes an Initial Public Offering (IPO) by December 31, 2026, 11:59 PM ET', while Market B states 'confirms an IPO before Jan 1, 2027'. These timeframes are identical. The terms 'completes an IPO' and 'confirms an IPO' are considered equivalent in this context, referring to the successful public offering of stock. Market A's explicit 'No' conditions (merger, acquisition, ceases to exist) are implicitly covered in Market B, as an IPO by Ramp would not occur under those circumstances.
Found: Mar 24, 2026 7:30 PM
Annual GDP

GDP growth in 2026? [0.0 or below]

+6.1%
Cost: $0.939
BUY [NO] on Polymarket ($0.859) AND BUY [YES] on Kalshi ($0.08)
Polymarket Trade ↗
YES
$0.174
NO
$0.859
Kalshi Trade ↗
YES
$0.080
NO
$0.930
Catalyst Intel: The WTO projects global economic output growth to moderate slightly in 2026 and warns that sustained high energy prices and ongoing conflict could reduce the 2026 GDP forecast. Concerns about 'stagflation' are highlighted for 2026, with visible deceleration in US GDP growth in late 2025. Australia also saw a downward revision to its 2026 GDP forecast. These factors collectively suggest a negative outlook for global GDP growth in 2026.
Found: Mar 23, 2026 7:00 AM
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: Mar 23, 2026 7:00 AM
South Carolina Senate race

Will Republicans win the Senate race in South Carolina? [:: Current incumbent: Lindsay Graham]

+6.0%
Cost: $0.940
BUY [YES] on Polymarket ($0.79) AND BUY [NO] on Kalshi ($0.15)
Polymarket Trade ↗
YES
$0.790
NO
$0.250
Kalshi Trade ↗
YES
$0.860
NO
$0.150
Catalyst Intel: Incumbent Republican Senator Lindsey Graham is facing a strong primary challenge and significant internal party criticism, with new polling data showing a challenger surging. This internal strife could weaken the Republican position in the general election, making the race more competitive than typically expected in South Carolina.
Found: Mar 23, 2026 7:18 PM
Legal Reasoning: Market A resolves based on the winner of the 2026 South Carolina U.S. Senate election. Market B resolves if a representative of the Republican party is sworn in for the term beginning in 2027. Winning the election (Market A's core event) is a direct and necessary prerequisite for being sworn in (Market B's core event). Per the instructions, such procedural links, where one outcome is a guaranteed consequence of the other, should be treated as equivalent, ignoring highly improbable edge cases. Both markets also consistently define a 'representative of the Republican party' as the official nominee. Therefore, if a Republican wins the election, they will be sworn in, and if a Republican does not win, they will not be sworn in.
Found: Mar 23, 2026 7:18 PM