Clear Street builds cross-margin multi-asset prime

This move turns Clear Street from a stock prime broker into a broader market utility that can hold, finance, and settle more of a client’s portfolio in one place. BASIS gave it the core software needed to clear listed futures, which matters because futures require separate clearing connections, margin logic, and back office workflows. BitGo then filled the digital asset gap with regulated custody and settlement rails, so hybrid funds can manage crypto beside traditional positions instead of stitching together multiple vendors.

• The React deal was mainly about speed to market. Clear Street said in July 2023 that it was acquiring React and its cloud native BASIS platform to enter futures clearing, and industry coverage noted the acquisition reduced the build time needed to launch a futures clearing broker.
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• Futures clearing is not just another trading product. A broker needs to calculate variation margin, connect to futures exchanges and clearinghouses like CME, and process daily settlement correctly. By 2025, Clear Street disclosed membership in CME and said the 2023 BASIS acquisition advanced its global futures rollout.
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• BitGo adds the missing regulated vault for digital assets. Its core role in the market is to keep client coins in qualified custody while enabling settlement and trading workflows. For Clear Street, that makes it possible to serve funds that trade both securities and crypto without forcing them to move assets to a separate crypto prime stack.
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The next step is a true cross margin, multi asset prime account. If Clear Street can price risk across equities, options, futures, fixed income, FX, and crypto on one ledger, it can win clients from legacy brokers that still run each asset class in separate systems and make customers reconcile the pieces by hand.