If the simple average of the sixty seconds of CF Benchmarks' Bitcoin Real-Time Index (BRTI) before 5 PM EDT is between 116750-117249.99 at 5 PM EDT on Sep 19, 2025, then the market resolves to Yes.

Not all cryptocurrency price data is the same. While checking a source like Google or Coinbase may help guide your decision, the price used to determine this market is based on CF Benchmarks' corresponding Real Time Index (RTI). At the last minute before expiration, 60 RTI prices are collected. The official and final value is the average of these prices.

Series KXBTC-25SEP1917 Event KXBTC-25SEP1917 Market KXBTC-25SEP1917-B117000