Kalshi Crosses $100B Milestone as World Cup Drives Daily Volume Over $1B
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Kalshi crossed $100 billion in lifetime notional quantity and recorded its first-ever billion-dollar single days on Saturday and Sunday, pushed by World Cup group-stage buying and selling and NBA/NHL finals.
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Kalshi posted $6.38B in weekly notional for the week of June 8, up 43% week over week and the most important single week on file, whereas Polymarket Global rose 22% to $2.33B.
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Kalshi’s lifetime whole of $102.30B now leads Polymarket’s $93.28B, with the hole widening as World Cup quantity accelerates via the group stage.
Kalshi crossed $100 billion in lifetime notional quantity final week, and adopted it up with its first-ever billion-dollar buying and selling days on Saturday and Sunday. Kalshi’s notional quantity whole for the week of June 8 got here in at $6.38 billion, up 43% from $4.46B the prior week, marking one more weekly quantity file by a large margin. To put the week into perspective, Kalshi posted $6.6 billion for your entire month of December.
Polymarket Global posted $2.33 billion notional quantity the week of June 8, up 22% week over week for its strongest week in latest information. Combined, the 2 platforms accounted for almost $8.7B in notional quantity, roughly what Kalshi alone was doing on a month-to-month foundation simply three months in the past.
Kalshi’s lifetime notional quantity now stands at $102.30B, forward of Polymarket’s $93.28B, based on Dune Analytics. The hole displays how sharply the 2 platforms’ development trajectories have diverged since April, when Kalshi first pulled forward on month-to-month quantity and transactions. Both platforms are on an upward development when it comes to weekly quantity with World Cup buying and selling in full swing.
Kalshi vs. Polymarket Last 8 Weeks (Thru June 14)
World Cup group stage hits each platforms
The World Cup group stage, which opened June 11, is the first driver of this week’s surge on each platforms. On Kalshi, Sports quantity jumped 52% to $3.38B and Exotics, the platform’s parlay-style combo contracts, crossed $2 billion in a single week for the primary time, reaching $2.06B (+56% WoW). Together, Sports and Exotics accounted for 85% of Kalshi’s weekly notional, in keeping with the focus development that’s outlined the platform’s quantity combine year-to-date. Kalshi election markets, which had surged to $115.8M the prior week on California major and LA mayoral exercise, fell again to $38.6M as these contracts resolved.
Polymarket’s Sports class almost doubled, rising 80% to $1.61B as World Cup winner and group-stage markets dominated the platform’s high contracts. That surge offset a pointy pullback in Crypto, which dropped 60% to $280M after the prior week’s $664M spike. Bitcoin value stabilization seems to have pulled exercise out of that class. Politics held at $247M, with Trump-tagged markets doubling to $111M.
First billion-dollar days
The weekend numbers are spectacular. On Saturday, June 13, Kalshi hit $1.224B in each day notional for its first-ever billion-dollar day. Sunday, June 14 got here in at $1.236B, topping it. Polymarket ran $374M and $479M on the identical two days, respectively. The desk beneath reveals each day notional for each platforms throughout the six most up-to-date weekend days tracked:
| Date | Kalshi | Polymarket | Key occasions |
|---|---|---|---|
| May 30Sat | $800.6M | $277.5M | NHLStanley Cup Final Game 4
Hurricanes 5, Golden Knights 3
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| May 31Sun | $589.5M | $282.1M | — |
| Jun 6Sat | $658.8M | $243.6M | World CupTournament opens
Mexico 2–0 South Africa · South Korea 2–1 Czechia
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| Jun 7Sun | $611.1M | $252.0M | World CupDay 2
Canada 1–1 Bosnia · USMNT 4–1 Paraguay
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| Jun 13Satfile | $1.22B | $374.1M | NBAFinals Game 5 — Knicks win championship
World CupBrazil 1–1 Morocco · Qatar 1–1 Switzerland · Scotland 1–0 Haiti
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| Jun 14Sunfile | $1.24B | $479.0M | UFCFreedom 250 at White House — Topuria vs. Gaethje
NHLStanley Cup Final Game 6 — Hurricanes win Cup
World CupGermany 7–1 Curaçao · Netherlands 2–2 Japan · Australia 2–0 Türkiye · Ivory Coast 1–0 Ecuador |
Notional quantity through Dune Analytics. Kalshi and Polymarket Global solely. Weekend days proven.
Compared to the earlier weekend, Kalshi’s each day volumes almost doubled. The driving power isn’t any secret as the weekend was full of sports activities motion. On Saturday, the Knicks closed out the Spurs in Game 5 to win New York’s first NBA title since 1973, whereas three World Cup group-stage matches ran concurrently.
Sunday’s sports activities slate was much more packed. The Hurricanes gained the Stanley Cup in Game 6 in Las Vegas, 5 World Cup matches have been performed throughout the globe, and UFC Freedom 250, the primary UFC occasion held on the South Lawn of the White House, headlined by Ilia Topuria vs. Justin Gaethje for the undisputed light-weight title, drew what Dana White projected can be Super Bowl-level viewership. It was essentially the most concentrated single-day sports activities calendar of 2026, and the prediction market volume mirrored it.
Kalshi crossed its main $100 billion milestone on Friday, Dustin Gouker famous in his Event Horizon publication, earlier than the weekend surge pushed the lifetime whole additional.
What to look at
The World Cup knockout rounds start June 29. If group-stage weekend quantity is sustaining billion-dollar each day totals on Kalshi, the single-elimination format, the place every match is terminal, may push per-match contract exercise greater nonetheless. The Fed’s June 16–17 assembly provides a near-term macro catalyst, with each Kalshi and Polymarket pricing a 99% probability of no fee change. Both platforms may simply maintain their present peak volumes via the 2026 FIFA World Cup finals.
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