Prediction market data discovery tools for researchers, reporters, and analysts.
Joined June 2026
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TickerTracker retweeted
More than 70% of Kalshi's volume came from parlays for the seven-day period that ended on Sunday, per @TickerTracker_.
TickerTracker retweeted
Fascinating data from @Eric_Ramsey @TickerTracker_:
Combos with 20 or more legs at Kalshi went from 3.5% of the total in July to 17% in September, and the average combo contract went from 8 legs to 13 over that span.
About 10% of all combos traded in September settled Yes, a hit rate that falls to 2.7% for combos with 10+ legs and 1.5% for those with 20 or more. Across the combos with 100 or more legs, two have settled Yes and 5,272 settled No.
More in this morning’s Event Horizon.
TickerTracker retweeted
Polymarket US crypto volume doing well since 15-min up/down launch < 30d ago 📈
TickerTracker retweeted
I do a weekly podcast about prediction markets at The Event Horizon, and I am terrible at sharing clips from. This week, talked PM volume with @Eric_Ramsey of @TickerTracker_. Available on Spotify and Apple Podcasts
TickerTracker retweeted
Nah, Kalshi has a fee accumulator to prevent rounding-up from costing you more than 1c per market. So it's maybe losing $26.13/day not $432/day. Likely just someone farming volume for a higher rate limit tier if I had to guess!
TickerTracker retweeted
Kalshi did $15.3 billion in notional volume last week. About 60% -- or $9.1 billion -- of that volume was on parlays, which are almost entirely based on sports events.
My read is it's going to be increasingly difficult to frame this as non-gambling activity.
Data per @TickerTracker_
RT @DustinGouker: Some Saturday prediction market data from @TickerTracker_ :
Kalshi: $2.4 billion in volume, new daily record. $1.5 billi…
TickerTracker retweeted
Six months ago, Kalshi told us sports would be a small piece of the pie very soon. As football season begins, it's still most of the pie.
h/t @nickdevor_ tweetering, @Eric_Ramsey & @TickerTracker_ data
nexteventhorizon.substack.co…
TickerTracker retweeted
Saturday was the most-bet day in Kalshi history, with a record $2.3B in notional trading volume. Nearly 60% came from parlays.
Just 7 days in, September 2026 already ranks Top 7 all-time in monthly volume, per @TickerTracker_.
TickerTracker retweeted
On Saturday, 58% of Kalshi’s $1.9 billion in volume came on combos, per @TickerTracker_.
Definitely not sports betting! Just people hedging risk on unrelated sports events.
TickerTracker retweeted
Great stuff/data from @Eric_Ramsey / @TickerTracker_ on Kalshi ahead of football season.
nexteventhorizon.substack.co…
TickerTracker retweeted
Parlays are the No. 1 traded category on Kalshi so far this month, per @TickerTracker_.
In July:
Sports = 46% of platform volume
Exotics = 37%
YTD:
Sports = 55%
Exotics = 29%
TickerTracker retweeted
Whether it’s the World Cup or Taylor Swift’s wedding, tens of millions are betting on the outcomes of almost anything using prediction markets.
Go inside the world of this legal but controversial form of gambling in INSTADOCS: THE PREDICTION GAMES. Premiering July 26.
TickerTracker retweeted
NEW from me:
Kalshi says it’s not a sports gambling app.
Since the World Cup started, it’s taken in $40 billion in sports bets, 10 times more than what DraftKings and FanDuel are expected to see.
Kalshi ran a digital ad campaign across YouTube, FB and Snapchat encouraging people to switch to Kalshi from sportsbooks.
I calculated that state-licensed sports betting apps contribute about $4 billion a year in state taxes, which go toward schools, roads, problem gambling programs. Kalshi, which is regulated by the Trump administration, doesn’t pay these taxes.
A gaming scholar put it to me this way: "If I were just some guy in a smokey back room of a bar doing what Kalshi and Polymarket are doing, I'd be in jail."
npr.org/2026/07/17/nx-s1-588…
