The Event Horizon
Prediction markets news, analysis and legal insights covering Kalshi, Polymarket, Robinhood, sports event contracts, regulation and the prediction markets industry.
- Top in Finance
- #455
- Subscribers
- 4.0K
- Badge
- Bestseller 100
- Podcast
- Yes
rounded by Substack
Growth history
Subscribers (thousands, nightly)
4.0K on Sep 10, 2026 → 4.0K on Sep 30, 2026
Followers (thousands, nightly)
Rank in Substack’s finance leaderboard: #455 today · #442 a week ago
Stats worth sharing
Tracked since Sep 10, 2026 — 21 daily snapshots so far. The card below is built from what we track and refreshes nightly.
- Percentile
- Top 87%
- Best rank seen
- #428
- Rank, 7 days
- −13 places
- Posts
- 8
- Reactions per post
- 9
- Reactions tracked
- 106
- Tickers covered
- 1
of 525 ranked finance newsletters
on Sep 11, 2026
last 30 days
average, recent posts
across 12 posts
in tracked posts
Most-reacted post we have seen: Robinhood Cometh? — 15 reactions on Sep 2, 2026.
Recent posts
- So Are Sports ‘A Small Piece Of The Pie’ At Kalshi As Football Season Starts? Nope.
- Two More Losses For Kalshi In Federal Court, And A Problematic Map For Sports Event Contracts
- Episode 31: News With Front Office Sports’ Ben Horney; Data With Grandstand’s Matt Restivo
- Betting On Prediction Markets Going To SCOTUS? Don’t Bet On It ... Sort Of.
- News | NFL Sends Letter To Prediction Markets: Stop Offering ‘Objectionable Bets’
- Four Questions And Answers About New Jersey, Kalshi, And SCOTUS
- Robinhood Cometh?
- Episode 30: Is Prediction Markets Vs. States Coming To SCOTUS?
- Are ‘Will Players Compete’ (Or Injury) Markets In Trouble?
- Ninth Circuit Says Sports Contracts ‘Likely Not Swaps’ In 3-0 Decision Against Kalshi
- It Would Be Neat If Prediction Markets Were 21+
- Connecticut Sues Kalshi For Offering ‘Illegal, Unlicensed Sports Betting’
← All trending finance newsletters
Data: Substack public leaderboards and publication archives, refreshed nightly, plus public beehiiv sitemaps and recommendation pages, refreshed weekly. Source for this page: The Event Horizon. Subscriber counts are Substack’s own rounded public figures, so week-on-week changes move in steps. beehiiv audience sizes are self-reported by the publisher and are not verified. Last snapshot: Sep 30, 2026.