June is typically a quiet month for the markets, with trading volumes generally tapering off as summer kicks in. However, this week presents an event known as 'Triple Witching.' This phenomenon involves the simultaneous expiration of various stock-index futures, stock-index options, single stock options, and single stock futures. The event, which occurs on Friday, is expected to bring increased volatility and trading volumes. Market participants should brace for potentially messy and volatile trading sessions as a result of this quarterly futures roll. Additionally, Friday’s options expiration, referred to as quad witching, may provide short-term market swings.