Blog
Prediction Market Fees - Polymarket, PredictIt, and Kalshi
By Sam Vega · 2025-10-02
How Polymarket, PredictIt, and Kalshi charge fees today—and why it matters for traders and market efficiency.
fees
polymarket
predictit
kalshi
education
Kamala Harris Divorce in 2025?
By Sam Vega · 2025-09-22
Assessing rumors versus evidence and whether ~2% on Polymarket is fair.
politics
opinion
polymarket
Taylor Swift pregnant in 2025?
By Sam Vega · 2025-09-22
Rumors vs. reality on whether Swift is expecting; markets mostly reflect noise.
entertainment
opinion
rumors
How to Check for Arbitrage
By Sam Vega · 2025-09-16
Add outcomes and compare to $1; a quick checklist for real‑world execution.
arbitrage
guide
education
Best Sites for Political Betting
By Sam Vega · 2025-08-13
Our take on the best platforms for political betting in 2025 and who each is best for.
guide
platforms
education
How to Read Prediction Market Prices (Without Getting Misled)
By Sam Vega · 2025-08-12
How to interpret market prices correctly: use midpoints, account for fees, and watch for uneven information.
basics
probability
education
The Mirage of "Free Money": A Story of Cross-Exchange Arbitrage
By Sam Vega · 2025-08-11
Why "free" arbitrage often isn’t: contract mismatches, invisible costs, and execution risk.
arbitrage
strategy
Liquidity Lies: How Surface Prices Can Mislead Traders
By Sam Vega · 2025-08-10
Same price ≠ same trade: depth, spread, stability, and compounding slippage behind the quote.
liquidity
execution