Polymarket Lures Bettors With Highest 4% Yield Amid Kalshi’s Weekly Volume Surge

Polymarket has introduced a new incentive for prediction market participants, offering a 4% annualized yield on certain long-term ￰3￱ reward, which is paid out daily, is designed to keep long-term pricing accurate and is currently funded through the Polymarket ￰4￱ to the exchange , the yield applies to positions in a set of political and geopolitical markets, including the 2028 ￰5￱ race, the balance of power in the 2026 midterms, and leadership outcomes in countries such as Russia, China, Turkey, Israel, and ￰6￱ captured 62% of on-chain prediction market volume from Sept. 11–17, reaching over $500M in weekly trades and $189M in open interest, according to Dune data. > Polymarket trailed with $430M in volume and $164M in open interest, reflecting its longer-term market structure… ￰7￱ — Marco Manoppo (@ManoppoMarco) September 23, 2025 Positions are valued based on the number of “Yes” and “No” shares held and the most recent mid-price, with rewards distributed after an hourly random sampling of ￰8￱ 4% rate is variable and may be adjusted or capped at the company’s ￰9￱ Market Rivalry Heats Up as Kalshi Tops Polymarket by Volumes While Polymarket’s new holding rewards seek to attract long-term bettors, competitor Kalshi has been dominating in terms of trading ￰10￱ three consecutive weeks, Kalshi has posted higher volumes than Polymarket, recording $728 million in trades last ￰11￱ figure is nearly 60% higher than Polymarket’s volume and close to Kalshi’s record $749 million during the run-up to the 2024 ￰12￱ election.) July 22, 2025 Despite the differences in structure and oversight, both platforms continue to grow, with Kalshi solidifying its lead in weekly volume and Polymarket focusing on user retention through higher yields and long-term ￰13￱ Clears Polymarket for ￰14￱ as Kalshi Faces State Lawsuit The prediction market space is entering a new phase as regulators in the ￰15￱ divergent approaches to two of its biggest ￰16￱ September 3, the CFTC cleared Polymarket to re-enter the ￰17￱ a no-action letter covering event contracts. @PolymarketHQ gets US green light from CFTC after year of strategic moves including $112M acquisition. #Polymarket #US ￰0￱ — ￰18￱ (@cryptonews) September 3, 2025 The move marks Polymarket’s official return after a 2022 settlement forced it to block American ￰19￱ Shayne Coplan hailed the clearance as “a green light” for U.

S. operations, noting that it gives the company space to scale ￰20￱ breakthrough comes as Polymarket pursues a valuation of up to $10 billion , more than triple its last known $1 billion valuation in ￰21￱ prediction market @Polymarket is preparing a return to the United States as it eyes a potential $10 billion valuation. #Polymarket #Crypto ￰1￱ — ￰22￱ (@cryptonews) September 13, 2025 The firm rose to prominence after its markets accurately predicted Donald Trump’s 2024 victory, drawing major institutional backing and user ￰23￱ Polymarket is regaining ground, rival Kalshi is facing legal ￰24￱ September 13, Massachusetts Attorney General Andrea Joy Campbell filed a civil lawsuit accusing Kalshi of running unlicensed sports betting disguised as “event contracts.” Massachusetts sues Kalshi over alleged unlicensed sports betting with $1B in wagers as platform claims federal CFTC oversight protection. #Kalshi #Lawsuit ￰2￱ — ￰25￱ (@cryptonews) September 13, 2025 The suit alleges that between January and June 2025, 70–75% of Kalshi’s $1 billion in wagers came from sports markets, rivaling licensed operators like ￰26￱ say the platform allowed underage betting and lacked safeguards required by state ￰27￱ Polymarket moves forward with regulatory cover, Kalshi’s future could hinge on a growing clash between state gambling laws and federal commodities oversight.