SAN FRANCISCO (CBS.MW) - Enterprising statisticians draw a number of clues from daily stock-market activity to assess investor sentiment. The "put/call ratio" is among the most popular. Depending on ...

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 ...

Bitcoin's BTC $111,958.71 put-call ratio has jumped ahead of Friday's multi-billion-dollar options expiry on Deribit, but its traditional bearish interpretation may not tell the full story this time.