BREAKING:$6.4 Trillion worth of US stock and ETF options will expire today.Expect massive volatility. https://t.co/fG9ymwWiL1 ...

Friday will also see the quarterly rebalancing of the S&P 500 index. - MarketWatch photo illustration/iStockphoto Friday is the first day of spring. It is also the first “triple-witching” options expiration during what has already been a busy year for markets. Investors are bracing for what could be a doozy of a trading session. Most Read from MarketWatch The notional value of contracts due to expire is slightly lower than the record amount that rolled off in December. Friday’s expiration tally is abo ...

Joining us now is Wells Fargo senior global market strategist Scott Ren along with our senior markets commentator Mike Santoy. We asked him to come back on set. He did it.Yeah. >> Yeah. Uh >> I'm going to start with you on this one and we touched on it at the top of the show, but the fact you had the largest options expiration in history signals what about this market.Well, first of all, just on a basic level, it signals that the size of the market is bigger than it's ever been, and therefore all the deriva ...