David is comprehensively experienced in many facets of financial and legal research and publishing. As an Investopedia fact checker since 2020, he has validated over 1,100 articles on a wide range of ...

Learn about exercise prices, also known as strike prices, and how they determine option value for call and put trades.

Bitcoin's put-call ratio has increased ahead of a major options expiry, indicating a growing interest in put options. Over $14 billion worth of bitcoin options are set to expire on Deribit, with a ...

The Schaeffer's put/call open interest ratio (SOIR) is one of many sentiment indicators we use at Schaeffer's to identify expectations for a stock, exchange-traded fund, or sector. The SOIR measures ...

It’s been a tumultuous few months for stocks, and option buyers have been chasing the momentum. That’s what I gather from the 10-day buy-to-open (BTO) call/put ratio for current S&P 500 Index (SPX) ...