SIMPLEX TRADING, LLC

Q4 2019 13F Holdings Report, Options Holdings

Options holdings as of: 31 Dec 2019
Options notional value: $31,519,593,160
Option positions: 5,345
What this filing covers: Period
Q4 2019
Calendar quarter covered by the filing.
Option positions
5,345
Parsed option rows from the information table.
Reported notional
$31,519,593,160
SEC-reported option notional, not total AUM.
Accepted by SEC
05 Feb 2020
EDGAR acceptance date.
How to read this filing
Use this page alongside the equity portfolio view; option notional is not directly comparable with reported 13F market value.
Open the table below for issuer-level option positions and then verify unusual rows against the original filing.
SEC classifies this as a holdings report: this manager reports its visible U.S.-listed equity holdings in this filing.
Manager signature: Erik Swanson - Chief Executive Officer
Manager location: Chicago, IL
Accepted by SEC: 05 Feb 2020, 10:34:44 UTC
Prior SEC filing: Q3 2019 - 15 Oct 2019
Next SEC filing: Q1 2020 - 29 Apr 2020
Stock holdings: Showing options holdings. Open equity holdings.

13F options

Reported options holdings

Option rows with security, activity, price, shares, and notional value.

Notional

$31,519,593,160

Period

Q4 2019

Filing

Form 13F

Sym	Company	Class	Option	Share Change	Activity	SEC-reported price	Shares	Notional Value

This view compares filing 2019 Q4 with 2019 Q3. Changes are calculated against the previous SEC filing.

Compare Q4 2019 to

SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held.
^* marks a reported price that did not pass the local price check.

Person Signing this Report on Behalf of Reporting Manager:

Name	Title	City, State	Date
Erik Swanson	Chief Executive Officer	Chicago, Illinois	05 Feb 2020