29.03.2013 Views

SEC Follow Up Exhibits Part C SEC_OEA_FCIC_001760-2501

SEC Follow Up Exhibits Part C SEC_OEA_FCIC_001760-2501

SEC Follow Up Exhibits Part C SEC_OEA_FCIC_001760-2501

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Reg SHO Pilot Report 2/12/2007<br />

Table of Contents<br />

I Introduction........................................................................................................................... 3<br />

A. Background......................................................................................................................... 3<br />

B. Overview ............................................................................................................................. 5<br />

II History of Price Restrictions.............................................................................................. 12<br />

III Previous Evidence............................................................................................................... 16<br />

A. Effectiveness of the Rule ................................................................................................... 17<br />

1. Shorting in a Declining Market........................................................................................ 17<br />

2. Short Sale Execution Quality........................................................................................... 18<br />

3. Manipulation.................................................................................................................... 20<br />

B. Effect on Market Quality................................................................................................... 20<br />

IV Construction of the Samples .............................................................................................. 22<br />

A. Selection of Pilot and Control Stocks ............................................................................... 22<br />

B. Data and Sample Statistics ............................................................................................... 24<br />

V Methods................................................................................................................................ 28<br />

A. Comparing Pilot and Control Stocks................................................................................ 28<br />

B. Behavior of Stock Prices Surrounding the Pilot Initiation ............................................... 29<br />

C. Measuring Large Price Reversals .................................................................................... 30<br />

D. Autoregression Methodology for Measuring Reversals ................................................... 32<br />

E. Small and Low-Volume Stocks.......................................................................................... 33<br />

VI Results and Analysis ........................................................................................................... 34<br />

A. The Nature of Short Selling .............................................................................................. 34<br />

1. Short Selling Activity ...................................................................................................... 34<br />

2. Option Activity ................................................................................................................ 36<br />

3. Mechanical Effects........................................................................................................... 38<br />

B. Market Quality.................................................................................................................. 40<br />

1. Liquidity Measures .......................................................................................................... 40<br />

2. Return Volatility .............................................................................................................. 42<br />

C. Effect on Stock Prices ....................................................................................................... 45<br />

D. Market Manipulation ........................................................................................................ 47<br />

E. Small and Low-Volume Stocks.......................................................................................... 51<br />

VII Summary and Conclusions ................................................................................................ 54<br />

References.................................................................................................................................... 58<br />

Tables ........................................................................................................................................... 60<br />

Appendix A: Concurrent Regulation SHO Pilot Studies....................................................... 85<br />

Prepared by the Office of Economic Analysis 2

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!