Independent, reproducible answers to the most common questions in prediction market trading: exact Kalshi taker fee formulas, 60-second settlement TWAPs, true breakeven win rate hurdles, and cross-venue spread audits.
Kalshi does not charge a flat percentage fee like stock brokerages. Instead, Kalshi taker fees follow a parabolic quadratic formula peaking at exactly 1.75¢ per contract for 50¢ contracts and scaling ...
Polymarket markets are often marketed as 'zero fee,' but retail traders face Polygon network gas fees, dynamic automated market maker (AMM) or order book slippage, and USDC bridging and withdrawal cha...
A common source of confusion among prediction market participants is assuming that Kalshi's 15-minute Bitcoin contracts (KXBTC15M) resolve based on the price of Bitcoin on Coinbase or Binance at the c...
In a zero-fee binary market, purchasing a contract at 50¢ requires a 50.00% win rate to break even. In reality, with exchange taker fees added to the cost basis, the required win rate shifts significa...
In response to the 2026 Vanderbilt University study asserting prediction markets suffer from herd mispricing, QuanterraOS conducted the first independent, fully reproducible calibration audit of Kalsh...
Aggregator terminals frequently claim cross-venue spreads represent 'risk-free arbitrage' (e.g. buying Kalshi YES at 48¢ and Polymarket NO at 49¢ for a claimed 3.0¢ gross profit). This analysis expose...
When trading event contracts across venues, participants often assume both platforms resolve identically. Kalshi relies on the CME CF Bitcoin Real-Time Index (BRTI), a regulated, automated 60-second T...
Commercial alert tools (like Stand.Trade and Unusual Whales) promote 'whale alerts' and copy-trading features that encourage retail traders to mirror massive 6-figure positions. This strategy fails be...
Use our suite of free, independent tools before entering any order: