Too popular: Bitcoin futures ETF in danger of hitting upper limit for contracts Post author:MiamiCrypto Post published:October 22, 2021 Post category:Bitcoin / BITO / ETF / Futures / ProShares / Valkyrie Unprecedented demand for the ProShares futures fund could result in longer contracts that may stray from Bitcoin prices. You Might Also Like The Bitcoin treasury model is breaking, but Strategy’s isn’t. Here’s why July 15, 2025 Price analysis 11/11: SPX, DXY, BTC, ETH, SOL, BNB, DOGE, XRP, ADA, TON November 11, 2024 Ethereum ‘about to go parabolic’ against Bitcoin as analysts weigh BTC bear case December 3, 2021