Q Q ratio or Tobin's Q ratio Quadratic programming Qualification period Qualified endorsement Qualified opinion Qualified plan or trust Qualifying annuity Qualifying share Qualifying stock option Qualitative analysis Qualitative research Quality of earnings Quality option Quality spread Quant Quantitative analysis Quantitative research Quantize Quanto swap Quantos Quarter stock Quarterly Quasi-public corporation Quick assets Quick ratio Quid pro quo Quiet period Quorum Quotation Quotation board Quoted price