RE: Re Triple witching15 Sep 2023 11:41
Friday could be a historic day for the U.S. options market, according to a derivatives strategist at Goldman Sachs Group.
As trading in U.S. stock options, especially extremely short-dated zero day to expiration options, continues to boom, contracts attached to $3.4 trillion worth of U.S. stocks, exchange-traded funds and equity indexes like the S&P 500 are set to expire Friday during September’s expiry for monthly and quarterly options, according to the latest figures from John Marshall, head of derivatives research at the investment bank that were accurate as of midweek.
That is on track to be the largest September expiry on record, raising the possibility that markets could finish the week on a volatile note.
In a breakdown of notional value due to expire, Goldman showed that nearly $2 trillion of S&P 500 index options are due to expire Friday morning, while single-stock options with a notional value of $555 billion will expire later in the day, along with a host of other contracts.
In options-market parlance, notional value refers to the value of the underlying securities or indexes controlled by the option. Typically, index options are settled in cash, while options on single stocks and ETFs are settled in shares.
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A call option is the right to buy a stock at a specific price by an expiration date, and a put option is the right to sell a stock at a specific price by an expiration date.
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A put option is a contract tied to a stock. You pay a premium for the contract, giving you the right to sell the stock at the strike price. You're able to execute the contract at any point until its expiration date.