Catie Di Stefano

Founder & Editor-in-Chief

Catie Di Stefano has spent 15 years in the regulated gambling industry, starting at Betsson Group in Malta and spending nearly five years at Gaming Innovation Group (GiG) before building an independent consultancy across European and US iGaming brands, including a licensed engagement with Hard Rock Hotel & Casino Atlantic City under a New Jersey DGE vendor license. She's been interviewed by the California Business Journal on the rise of online gambling in the US, and spoke on a 2022 Next.io panel specifically about California's gaming market.

Guides

Prediction Market Player Props for California Traders

How California traders can use Kalshi's growing menu of player-prop event contracts — strategy, sizing, and finding edges.

Catie Di Stefano 27 Mar 2026

Guides

Prediction Markets vs. Sports Betting: A California 2026 Comparison

California has no legal online sports betting after Props 26 and 27 failed. Here's how Kalshi compares to traditional sportsbooks for CA residents.

Catie Di Stefano 24 Mar 2026

News

Recap: NFL Draft 2026 Prediction Markets for California Traders

How California traders can play the 2026 NFL Draft on Kalshi — first overall, position runs, and team-by-team props.

Catie Di Stefano 17 Mar 2026

Guides

Crypto & Bitcoin Prediction Markets for California Traders: The Kalshi Guide

California's tech and crypto scene drives heavy Kalshi volume on BTC and ETH price markets. Here's how to trade them.

Catie Di Stefano 15 Mar 2026

Guides

OG Prediction Market California Review 2026

An honest California-trader review of OG Prediction Market — markets, fees, and how it stacks up to Kalshi.

Catie Di Stefano 12 Mar 2026

News

Kalshi Now Controls 89% of the US Prediction Market — What It Means for California Traders

A Bank of America report confirmed Kalshi's 89% US market share in April 2026. Here's what that dominance means for California traders.

Catie Di Stefano 7 Mar 2026

Guides

DraftKings Predictions California Review 2026: Is It Worth It?

DraftKings Sportsbook can't operate in California — but DraftKings Predictions can. Our honest review for existing DK users.

Catie Di Stefano 3 Mar 2026

Guides

California Prediction Markets Content Calendar 2026: When to Trade What

Your month-by-month prediction market trading calendar for California — from the June primary to wildfire season to the World Cup.

Catie Di Stefano 2 Mar 2026

Guides

Entertainment & Pop Culture Prediction Markets in California: Oscars, Music & More

Los Angeles is the center of the entertainment industry — and that creates real edges in Kalshi's pop culture markets. Here's how to trade them.

Catie Di Stefano 2 Mar 2026

Guides

Kalshi Fees Explained: What California Traders Actually Pay

Kalshi charges 1–7% on winnings only — no deposit, withdrawal, or subscription fees. Here's exactly what California traders pay.

Catie Di Stefano 27 Feb 2026

Guides

Robinhood Prediction Markets California: Full 2026 Review & Guide

Already on Robinhood? You can trade Kalshi's markets through the app you already use. Everything California traders need to know.

Catie Di Stefano 20 Feb 2026

Guides

FanDuel Predicts California Review 2026: Sports, Markets & Bonuses

FanDuel Predicts is one of the few legal FanDuel sports products available in California. We compare it to Kalshi on markets, fees, and CA coverage.

Catie Di Stefano 20 Feb 2026