- Traders flock to U.S.-listed options on Credit Suisse as shares tumble 31%.
- Options volume jumps to 597,000 contracts, 27 times the daily average.
- Credit Suisse puts outnumber calls 1.7-to-1.
- European banks' U.S.-listed options also surge, leaning toward defensive put contracts.
- Worries over Credit Suisse's future impact U.S. bank stocks, with a bearish bias on Financial Select Sector SPDR Fund options.
Credit Suisse plunge sends traders flocking to its U.S-listed options
Traders piled into U.S.-listed options on Credit Suisse at a record pace on Wednesday, as worries over the future of the embattled Swiss bank hammered its shares and added to concerns about instability in the financial sector.
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