SEC Follow Up Exhibits Part C SEC_OEA_FCIC_001760-2501

Reg SHO Pilot Report 2/12/2007
Tables
Table 1: Sample characteristics
This table shows the number of sample stocks categorized by whether they are in the Pilot, their listing status, and
whether they have tradable options on them. The Pilot stocks are those designated in the first Pilot Order that are
trading on Amex, Nasdaq NM, or NYSE as of May 2, 2005. The Control stocks are the ones that were eligible to be
selected for the Pilot but were not. The Control stocks are limited to those trading on Amex, Nasdaq NM, and
NYSE as of May 2, 2005. Listed Stocks are stocks listed on NYSE or Amex. This table shows the sample sizes as
of October 31, 2005 as well. To avoid survivor biases, we retain stocks in the sample even if they stocks cease
trading on Amex, Nasdaq NM, or NYSE before the end of our sample period on October 31, 2005. This table shows
the sample sizes as of October 31, 2005 as well. Stocks are considered optionable if they have traded options at
some point in the four months prior to the start of the Pilot. Short-term options are options with experations within
one year.,
Variable Listed Stocks Nasdaq Stocks
Pilot Control Pilot Control
# Stocks (first day of the Pilot) 504 973 439 917
# Stocks (last day of the Sample Period) 496 949 423 877
# Optionable Stocks (all options) 350 690 278 573
(69.44%)
# Optionable Stocks (short-term options) 350
(69.44%)
(70.77%)
688
(70.56%)
(63.33%)
277
(63.10%)
(62.28%)
567
(61.63%)
Prepared by the Office of Economic Analysis 60