Arbitrage Radar

Live Risk-Free Spreads

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

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

+26.0%
Cost: $0.740
BUY [NO] on Polymarket ($0.39) AND BUY [YES] on Kalshi ($0.35) (SUBSET FREE-ROLL)
Polymarket Trade ↗
YES
$0.640
NO
$0.390
Kalshi Trade ↗
YES
$0.350
NO
$0.660
Catalyst Intel: The news explicitly states that billionaires are now funding a campaign to kill the tax entirely. This well-funded and organized opposition, coupled with the demonstrated loss of $27 billion in potential revenue from billionaires who have already left California (including $25 billion from Larry Page and Sergey Brin alone), constitutes a massive catalyst against the ballot initiative's passage.
Found: Mar 18, 2026 6:54 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 18, 2026 6:54 PM
Filibuster change this year?

Filibuster weakened before 2027 [Before 2027]

+22.0%
Cost: $0.780
BUY [NO] on Polymarket ($0.62) AND BUY [YES] on Kalshi ($0.16) (SUBSET FREE-ROLL)
Polymarket Trade ↗
YES
$0.490
NO
$0.620
Kalshi Trade ↗
YES
$0.160
NO
$0.850
Catalyst Intel: Multiple news snippets indicate a significant and ongoing debate about the filibuster, with both Republicans (e.g., Sen. Cornyn reconsidering his stance) and Democrats (e.g., calls to 'Kill the Filibuster') expressing willingness to change or eliminate it. Specifically, the 'SAVE America Act' advancing in March 2026 and facing a filibuster threat provides a concrete, near-term scenario where the filibuster's existence is a direct impediment to legislative goals, increasing the likelihood of it being weakened before 2027.
Found: Mar 18, 2026 9:54 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 18, 2026 9:54 PM
Annual GDP

GDP growth in 2026? [0.0 or below]

+10.0%
Cost: $0.900
BUY [NO] on Polymarket ($0.82) AND BUY [YES] on Kalshi ($0.08)
Polymarket Trade ↗
YES
$0.182
NO
$0.820
Kalshi Trade ↗
YES
$0.080
NO
$0.950
Catalyst Intel: The news presents a mixed picture for 2026 GDP growth. The US Federal Reserve projects 'slightly higher' or 'slightly stronger' GDP growth for 2026 and anticipates one rate cut, which could be stimulative. Major economies like India and Germany are projected to show strong growth. However, there are also downward revisions for Q4 2025 GDP in the US and New Zealand, and potential headwinds such as rising oil prices (for Thailand) and general market index losses in early 2026. While there are positive indicators, none of them individually or collectively represent a 'massive catalyst' that would overwhelmingly drive global GDP growth in one direction. The overall outlook is nuanced rather than massively bullish or bearish.
Found: Mar 18, 2026 10:36 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: Mar 18, 2026 10:36 PM
OpenAI IPO timing.

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

+9.0%
Cost: $0.910
BUY [YES] on Polymarket ($0.41) AND BUY [NO] on Kalshi ($0.5)
Polymarket Trade ↗
YES
$0.410
NO
$0.620
Kalshi Trade ↗
YES
$0.540
NO
$0.500
Catalyst Intel: OpenAI is actively preparing for an IPO, including hiring a CFO and building out its finance team specifically for an IPO debut. Multiple reports indicate the company is 'eyeing an IPO this year' and is under pressure to generate more revenue, which could accelerate IPO plans. While potential lawsuits from Microsoft and Elon Musk are noted as complications that could affect the timeline, the internal actions and stated intent represent a significant push towards an IPO.
Found: Mar 19, 2026 1:00 AM
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 19, 2026 1:00 AM
IPOs

Who will IPO before 2027? [Databricks]

+9.0%
Cost: $0.910
BUY [NO] on Polymarket ($0.73) AND BUY [YES] on Kalshi ($0.18)
Polymarket Trade ↗
YES
$0.280
NO
$0.730
Kalshi Trade ↗
YES
$0.180
NO
$0.860
Catalyst Intel: The news indicates a strong '2026 IPO Resurgence' with a 'Hectocorn Horizon' and an '800-Unicorn Logjam,' suggesting a significant number of companies are poised to go public. Crucially, major players like SpaceX and OpenAI are explicitly mentioned with concrete timelines (SpaceX targeting June 2026, OpenAI late 2026/early 2027) supported by 'internal filings and strategic restructurings.' This points to a high probability of significant IPO activity before 2027, making it a strong catalyst for the market.
Found: Mar 19, 2026 1:36 AM
Legal Reasoning: Both markets concern an IPO by Databricks with identical deadlines (Market A: 'by December 31, 2026, 11:59 PM ET'; Market B: 'before Jan 1, 2027'). Market B's confirmation source ('Databricks confirms an IPO') is a subset of Market A's ('official company announcements or credible news sources'). In practice, if an IPO occurs and is confirmed by official company announcements or credible news sources, Databricks itself would almost certainly have confirmed it. The 'No' conditions in Market A are standard implicit understandings for IPO markets and do not create a conflict or a scenario where one market resolves 'Yes' and the other 'No' for the same event. Therefore, the conditions and timeframes are virtually identical.
Found: Mar 19, 2026 1:36 AM
Who will leave the Trump administration

Will Susie WIles leaves Chief of Staff in before 2027? [:: Chief of Staff]

+7.0%
Cost: $0.930
BUY [YES] on Polymarket ($0.34) AND BUY [NO] on Kalshi ($0.59) (SUBSET FREE-ROLL)
Polymarket Trade ↗
YES
$0.340
NO
$0.680
Kalshi Trade ↗
YES
$0.430
NO
$0.590
Catalyst Intel: Susie Wiles is facing an early breast cancer battle. While this is a significant personal event, news reports explicitly state that her decision is to 'keep working' and that the diagnosis 'Doesn't Pause the Job.' This indicates she does not intend to leave her Chief of Staff position due to this health issue. There are no other news items provided that suggest a catalyst for her leaving before 2027.
Found: Mar 19, 2026 2:00 AM
Legal Reasoning: Market B resolves to 'Yes' if Susie Wiles actually leaves the Chief of Staff role before 2027. This event (actual departure) would necessarily mean she 'ceases to be a member of the Trump Administration by December 31, 2026,' which is a condition for Market A to resolve 'Yes.' Market A, however, has a broader 'Yes' condition: it can resolve 'Yes' based solely on an announcement of departure before the deadline, even if the actual departure takes place after the deadline. In such a scenario, Market A would resolve 'Yes,' but Market B would resolve 'No' (as the actual leaving did not occur before 2027). Therefore, Market B's conditions are stricter, and if Market B resolves 'Yes,' Market A must also resolve 'Yes.'
Found: Mar 19, 2026 2:00 AM
IPOs

Who will IPO before 2027? [Glean]

+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
$0.980
Catalyst Intel: OpenAI is actively preparing for an IPO by the end of the current year, having hired a former CFO for investor relations. This is a direct and strong indication of a major company IPOing before 2027. Additionally, Jio is also in IPO preparation.
Found: Mar 18, 2026 4:07 PM
Legal Reasoning: Both markets concern Glean completing an IPO by the exact same deadline (December 31, 2026, 11:59 PM ET / before Jan 1, 2027). The resolution sources are standard and compatible. Market A's explicit 'No' conditions (merger, acquisition, cessation of existence) are implicitly covered by Market B's 'Yes' condition, as an IPO would not occur if these events happened instead. There are no conflicting definitions or resolution criteria.
Found: Mar 18, 2026 4:07 PM
IPOs

Who will IPO before 2027? [OpenAI]

+6.0%
Cost: $0.940
BUY [YES] on Polymarket ($0.41) AND BUY [NO] on Kalshi ($0.53)
Polymarket Trade ↗
YES
$0.410
NO
$0.610
Kalshi Trade ↗
YES
$0.480
NO
$0.530
Catalyst Intel: News indicates "concrete market preparation" for high-profile IPOs like SpaceX (June 2026 debut) and OpenAI (late 2026/early 2027 window), along with a general "2026 IPO resurgence" and a watchlist of other major companies. This suggests significant IPO activity before 2027.
Found: Mar 19, 2026 1:36 AM
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 19, 2026 1:36 AM
IPOs

Who will IPO before 2027? [Anysphere (Cursor)]

+6.0%
Cost: $0.940
BUY [NO] on Polymarket ($0.84) AND BUY [YES] on Kalshi ($0.1)
Polymarket Trade ↗
YES
$0.190
NO
$0.840
Kalshi Trade ↗
YES
$0.100
NO
$0.960
Catalyst Intel: News indicates a strong '2026 IPO Resurgence' with specific mentions of major companies like SpaceX and OpenAI having concrete plans for IPOs. SpaceX is rumored for a 'June 2026 debut' and OpenAI for 'late 2026 or early 2027'. While some companies like Kraken have paused their IPOs, the explicit timelines for high-profile companies like SpaceX and OpenAI constitute a significant catalyst for the market 'Who will IPO before 2027?'.
Found: Mar 19, 2026 1:36 AM
Legal Reasoning: Both markets resolve to "Yes" if Anysphere (Cursor) completes an IPO by December 31, 2026. Market A's deadline of "December 31, 2026, 11:59 PM ET" is equivalent to Market B's "before Jan 1, 2027". While Market A explicitly mentions negative resolution for mergers/acquisitions/cessation, it is a standard assumption that an IPO for the named entity would not occur if it were acquired or ceased to exist, meaning Market B would also implicitly resolve "No" in such scenarios. The conditions and timeframes are virtually identical.
Found: Mar 19, 2026 1:36 AM