Key Takeaways
Polymarket’s “Imitators” file logs roughly a dozen incidents it says present Kalshi copying its launches.Kalshi overtook Polymarket in April 2026 with $5.42B in taker quantity to Polymarket’s $1.99B, per Dune.Polymarket tinted its SoHo home windows this spring over fears Kalshi backer Paradigm was viewing screens.
Tinted Home windows and a Rival Throughout the Road
Polymarket has accused its primary rival, Kalshi, of company espionage, alleging they copied its product launches and could also be surveilling its Manhattan workplaces, per a New York Put up report. Having compiled an inner file it calls “The Imitators,” logging roughly a dozen incidents it deems suspicious, it has opened an inner investigation and gone to the press.
“There have been a pair too many coincidences,” Polymarket head of promoting Matthew Modabber advised the Put up. “There’s unhealthy intention in how they copy us. They’re respiration down our neck.” Polymarket says it had set a free grocery pop-up in New York for February 12, just for Kalshi to stage the same voucher-driven promotion about 9 days earlier.
The perpetual-futures timing drew the sharpest suspicion. Polymarket deliberate to unveil its tackle the product on April 21; roughly an hour earlier than the announcement, tech outlet The Info reported Kalshi was getting ready its personal. “They appeared to know we had been going to announce that day,” one insider mentioned.
Paradigm, a enterprise agency that backs Kalshi, leases workplaces instantly throughout from Polymarket’s SoHo headquarters, with sightlines into components of the ground and probably staff’ screens, sources advised the Put up. Polymarket tinted some home windows this spring, and workers have privately raised the prospect of Kalshi “moles” contained in the agency.
Each corporations rejected the claims. “That is unhappy and borderline delusional,” Kalshi spokesperson Jack Such advised the Put up, including Kalshi had constructed its perps product since 2024 and that The Info doubtless caught wind of it from an April 13 teaser on X. A Paradigm spokesperson referred to as the surveillance considerations “laughable.” No public proof of espionage has surfaced thus far, and the allegations are unproven.
The feud displays how excessive the stakes have grown as the 2 companies swallow the sector. Kalshi overtook Polymarket in April taker quantity for the primary time ($5.42 billion to $1.99 billion, per Dune Analytics) after the pair dominated a report $25.7 billion in March. Polymarket has run on-chain since 2020; Kalshi gained CFTC approval in 2021 as the primary federally regulated U.S. prediction alternate.
The rival corporations have intently shadowed one another’s roadmaps throughout the years with overlapping merchandise, promotions and authorized fights – a resemblance Polymarket now frames as theft slightly than coincidence.





