Individual traders drove Kalshi’s rise. Now, it’s going for Wall Street

Cnbc · 🇺🇸 public United States · Jun 01, 2026 · 1002 words · By Davis Giangiulio

Institutional Adoption of Prediction Markets Financial Market Infrastructure Retail vs. Institutional Trading Dynamics

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What to know about Institutional Adoption of Prediction Markets

Prediction market platform Kalshi processed more than $17 billion in various trading contracts in May, a record amount up more than 2500% from a year ago.

Claims checked 13

Techniques found 1

Topics 3

Coverage spectrum

Coverage gap: Low Left coverage

Left0%

Center67%

Right33%

3 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

Prediction market platform Kalshi processed more than $17 billion in various trading contracts in May, a record amount up more than 2500% from a year ago.

Why it matters

But while individuals drove Kalshi's astronomical growth over the past year, the company has focused on a new push in 2026: institutional adoption.

Common ground

Less than a year after trading volumes started marching consistently higher in September, Kalshi — the largest prediction market platform in the U.S.

Perspective signals

The tension in the story is sharpened by Loaded Language: language that can make the dispute feel more urgent, personal, or adversarial than the underlying facts alone.

Follow-up questions

What new context would change how readers understand this Institutional Adoption of Prediction Markets story?
What evidence would most clearly confirm or weaken the claim that Over the prior six months, institutional trading volumes were up more than 800%, the company said?
How does this story connect Institutional Adoption of Prediction Markets with Financial Market Infrastructure over the next few days?

open_in_new Read the original article: https://www.cnbc.com/2026/06/01/individual-traders-drove-kalshis-rise-now-its-go…

psychologyPropaganda Techniques Detected

eFinder identified 1 propaganda technique in this article. These signals explain how wording, emphasis, or missing context can shape a reader's interpretation.

warning

Loaded Language 70% confidence

Using words with strong emotional connotations to influence an audience.

Found in this article: eFinder flagged this technique because the story's framing or source language may guide readers toward a particular interpretation. Review the claim checks and evidence below to separate what is directly supported from what is implied by wording or emphasis.

Why it matters: Recognizing loaded language helps readers compare the article's framing with the underlying facts and with coverage from other sources.

fact_checkClaims Checked

eFinder analyzed this article and checked 13 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 6

schedule Pending 3

help Insufficient Evidence 2

cancel Disputed 1

verified Verified 1

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Claim 1: “Over the prior six months, institutional trading volumes were up more than 800%, the company said”

CORROBORATED

CNBC and another web source specifically report that institutional trading volumes were up more than 800% over the prior six months.

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wikipedia NEUTRAL — George Anthony Devolder Santos (born July 22, 1988) is an American former politician and convicted felon. He served as the U.S. representative for New York's 3rd congressional district from January to…
https://en.wikipedia.org/wiki/George_Santos

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wikipedia NEUTRAL — Kalshi Inc. is a prediction market platform based in Manhattan, New York City, that launched in July 2021. The platform is used primarily for sports betting, which constitutes more than 90% of site ac…
https://en.wikipedia.org/wiki/Kalshi

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wikipedia NEUTRAL — Prediction markets, also known as betting markets, information markets, decision markets, idea futures, or event derivatives, are open markets that enable the prediction of specific outcomes using fin…
https://en.wikipedia.org/wiki/Prediction_market

+ 3 more evidence sources

schedule

Claim 2: “Kalshi has waived fees for block trade transactions of 100,000 or more contracts executed, and a regulatory filing shows that the company will offer that rebate until September 1.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 3: “In February, Kalshi beefed up its internal surveillance and enforcement work through a partnership with Solidus Labs”

CORROBORATED

Three independent web sources confirm the partnership with Solidus Labs in February 2026 for surveillance and enforcement.

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web search NEUTRAL — ... partnership with Solidus Labs to implement institutional-grade surveillance across its 4,000+ markets. As a CFTC-regulated entity, Kalshi is setting a new ...
https://www.soliduslabs.com/post/prediction-market-regulatio…

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web search NEUTRAL — Feb 5, 2026 ... Partnership with Solidus Labs. Solidus Labs provides trade surveillance technology to detect, investigate, and address market abuse. Kalshi ...
https://nexteventhorizon.substack.com/p/news-kalshi-announce…

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web search NEUTRAL — Feb 5, 2026 ... Kalshi announced an independent surveillance advisory committee, new partnerships with Solidus Labs ... Solidus Labs, and new head of enforcement.
https://news.kalshi.com/p/kalshi-surveillance-insider-tradin…

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Claim 4: “The same month, the company partnered with Tradeweb Markets to expand access to Kalshi's data”

INSUFFICIENT EVIDENCE

No evidence was found in the provided search results regarding a partnership with Tradeweb Markets in February.

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Claim 5: “in April, when it completed the first block trade on a prediction market platform. The transaction was between a Texas environmental hedge fund and a market maker on a contract related to California carbon allowances.”

DISPUTED

While sources confirm a first block trade occurred in April, the specific parties differ. One source mentions a trade with 'Jump Trading' acting as market maker, while the claim specifies a 'Texas environmental hedge fund'. The general event is verified, but the specific participants are not consistently corroborated across the provided evidence.

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web search NEUTRAL — In April, Kalshi completed its first block trade, a securities transaction negotiated between two institutions off the public platform.
https://www.nytimes.com/2026/06/17/business/dealbook/hedging…

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web search NEUTRAL — Kalshi Inc. is a prediction market platform based in Manhattan, New York City, that launched in July 2021. The platform is used primarily for sports betting, which constitutes more than 90% of site ac…
https://en.wikipedia.org/wiki/Kalshi

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web search NEUTRAL — Prediction Markets Platform Kalshi Completes First Block Trade with Jump Trading.Kalshi, a U.S.-regulated prediction markets platform overseen by the CFTC, for the first time executed a bespoke block …
https://bitcoinfoundation.org/news/prediction-markets/kalshi…

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Claim 6: “a record amount up more than 2500% from a year ago”

CORROBORATED

Multiple independent sources (CNBC and two other web results) explicitly state that the May volume was a record amount, up more than 2500% from a year ago.

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wikipedia NEUTRAL — Tarek Mansour is a Lebanese-American entrepreneur, billionaire, and co-founder and CEO of the online prediction market Kalshi. His net worth is estimated at $2.6 billion in June 2026.
https://en.wikipedia.org/wiki/Tarek_Mansour

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wikipedia NEUTRAL — Luana Lopes Lara (born 1996) is a Brazilian entrepreneur and former ballerina, who currently serves as the chief operating officer (COO) of the online prediction market site Kalshi, which she co-found…
https://en.wikipedia.org/wiki/Luana_Lopes_Lara

+ 3 more evidence sources

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Claim 7: “Prediction market platform Kalshi processed more than $17 billion in various trading contracts in May”

CORROBORATED

Three independent news sources (CNBC, and two other web results) confirm that Kalshi processed more than $17 billion in trading contracts in May.

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+ 3 more evidence sources

help

Claim 8: “In March, Kalshi announced it partnered with Fidelity National Information Service — a financial technology company — to develop programming to clear trades on prediction markets.”

INSUFFICIENT EVIDENCE

No evidence was found in the provided search results regarding a partnership with Fidelity National Information Service (FIS) in March.

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Claim 9: “Clear Street, a broker to institutional traders, and Interactive Brokers, which services both retail and institutional investors, both in May announced they were integrating some Kalshi contracts onto their platforms.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 10: “CNBC and Kalshi have a commercial relationship that includes customer acquisition and a minority investment.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 11: “In Kalshi's announcement of its $22 billion valuation on May 7”

CORROBORATED

Three independent sources (including The New York Times and a press release) confirm the announcement of a $22 billion valuation on May 7, 2026.

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+ 3 more evidence sources

verified

Claim 12: “Kalshi — the largest prediction market platform in the U.S.”

VERIFIED

The App Store description explicitly calls it 'America's #1 prediction market platform' and other sources describe it as the largest legal and federally regulated prediction market app in the U.S.

travel_explore

web search NEUTRAL — Kalshi Inc. is a prediction market platform based in Manhattan, New York City, that launched in July 2021. The platform is used primarily for sports betting ...
https://en.wikipedia.org/wiki/Kalshi

travel_explore

web search NEUTRAL — Kalshi is a regulated exchange & prediction market where you can trade on the outcome of real-world events. Buy and sell Event Contracts.
https://kalshi.com/

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web search NEUTRAL — Kalshi is America's #1 prediction market platform. Get in on the action by trading on real-world events like elections, sports, crypto, and weather. This ...
https://apps.apple.com/us/app/kalshi-trade-the-cup/id1632713…

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Claim 13: “Kalshi was previously valued at $11 billion in December”

CORROBORATED

Multiple independent sources, including Reuters, The New York Times, and CNBC, confirm Kalshi had an $11 billion valuation in December 2025.

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+ 4 more evidence sources

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.