IMC-Chicago disclosed holdings in XRP ETFs and reported millions in options positions linked to multiple XRP ETF trades. The firm, described as a proprietary trading firm and market maker with $418 billion in AUM, also increased its bullish calls (options betting on higher prices), signaling a more constructive stance on those XRP ETF positions. The source, however, does not provide the underlying filing details, dates, or position-by-position figures needed to support a fuller market report.