SIMPLEX TRADING, LLC

Q3 2015 13F Holdings Report, Options Holdings

Signature - Title
Erik Swanson - Chief Executive Officer
Location
Chicago, IL
Options holdings as of
30 Sep 2015
Notional value
$717,653,000
Number of holdings
3,645
Filing time
08 Oct 2015, 12:48:44 UTC
Description
All US holdings of this investor are reported in this report.
Previous filing
Q2 2015 - 08 Jul 2015
Next filing
Q4 2015 - 20 Jan 2016
Stock holdings
Showing options holdings, see here for stock holdings
Sym Company Class Option Share Change Activity * Price $ Shares Notional Value
Filing 2015 Q3 compared to 2015 Q2 by default. Changes are calculated vs the previous SEC filing.
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.

Person Signing this Report on Behalf of Reporting Manager:

Name Title City, State Date
Erik Swanson Chief Executive Officer Chicago, Illinois 08 Oct 2015