b'
Option Block 337: Looking Back on the Flash Crash
\\nTrading Block:\\xa0 Options traders were preparing for 10% swings of Tesla before week\'s end based on a straddle. On Wednesday, volume in Twitter options increased fivefold, all but erasing value in a series of bullish contracts. ICE reports record Q1 profit. After its June IPO, Euronext plans to be listed on three of its exchanges. May 6 marks the fourth anniversary and it\'s a reminder that not much has changed.\\xa0
\\nOdd Block: Put sellers in BBEP, call spreads trade in Cameco Corp., calls trade in DLX, closing put seller in FTR.
\\nStrategy Block: Calendars vs. verticals, part deux.\\xa0
\\nAround the Block: Some earnings left: CSCO, TTWO, CBOE, GRPN. Macro, macro, macro, 10-year, 30-year, the Fed. Will social media/tech stocks hold up?
'