SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

CurrencyShares Japanese Yen Trust

(Name of Issuer)

Exchange Traded Fund

(Title of Class of Securities)

23130A102

(CUSIP Number)

December 31, 2012

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

x Rule 13d-1(b)

o Rule 13d-1(c)

o Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No.  23130A102  SCHEDULE 13G Page 2 of 8 Pages

1	NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)  Walleye Trading, LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) o (b) x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware, United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER 0
		6	SHARED VOTING POWER  75,057
		7	SOLE DISPOSITIVE POWER 0
		8	SHARED DISPOSITIVE POWER 75,057
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 75,057
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions)			o
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 6.39%
12	TYPE OF REPORTING PERSON (See Instructions) BD

CUSIP No.  23130A102  SCHEDULE 13G Page 3 of 8 Pages

1	NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)  Walleye Trading Advisors, LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) o (b) x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Minnesota, United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER 0
		6	SHARED VOTING POWER 75,057
		7	SOLE DISPOSITIVE POWER 0
		8	SHARED DISPOSITIVE POWER 75,057
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 75,057
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions)			o
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 6.39%
12	TYPE OF REPORTING PERSON (See Instructions) PN

CUSIP No.  23130A102  SCHEDULE 13G Page 4 of 8 Pages

Item 1. (a) Name of Issuer

CurrencyShares Japanese Yen Trust

(b) Address of Issuer’s Principal Executive Offices

805 King Farm Boulevard, Suite 600

Rockville, Maryland 20850

Item 2. (a) Name of Person Filing

(i) Walleye Trading, LLC

(ii) Walleye Trading Advisors, LLC, the Manager of Walleye Trading, LLC

Walleye Trading, LLC and Walleye Trading Advisors, LLC are herein referred to as the "Reporting Persons".

(b) Address of Principal Business Office, or, if none, Residence

14601 27th Ave. N, Suite. 102

Plymouth, MN 55447

(c) Citizenship

Please refer to Item 4 on each cover sheet for each filing person

(d) Title of Class of Securities

Exchange Traded Fund

(e) CUSIP No.:

23130A102

CUSIP No.  23130A102  SCHEDULE 13G Page 5 of 8 Pages

Item 3. If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

(a)	x	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	¨	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	¨	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	¨	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	o	An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);
(f)	¨	An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);
(g)	¨	A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);
(h)	¨	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	¨	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	¨	A non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J);
(k)	¨	A group, in accordance with §240.13d-1(b)(1)(ii)(K). If filing as a non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J), please specify the type of institution:

CUSIP No. 23130A102  SCHEDULE 13G Page 6 of 8 Pages

Item 4. Ownership

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

A. Walleye Trading, LLC

(a) Amount beneficially owned: 75,057

(b) Percent of class: 6.39%

(c) Number of shares as to which the person has:

(i) Sole power to vote or to direct the vote: 0

(ii) Shared power to vote or to direct the vote: 75,057

(iii) Sole power to dispose or to direct the disposition of: 0

(iv) Shared power to dispose or to direct the disposition of: 75,057

B. Walleye Trading Advisors, LLC

(a) Amount beneficially owned: 75,057

(b) Percent of class: 6.39%

(c) Number of shares as to which the person has:

(i) Sole power to vote or to direct the vote: 0

(ii) Shared power to vote or to direct the vote: 75,057

(iii) Sole power to dispose or to direct the disposition of: 0

(iv) Shared power to dispose or to direct the disposition of: 75,057

CUSIP No.  23130A102  SCHEDULE 13G Page 7 of 8 Pages

Item 5. Ownership of Five Percent or Less of a Class

Not Applicable

Item 6. Ownership of More Than Five Percent on Behalf of Another Person

Not Applicable

Item 7. Identification and Classification of the Subsidiary which Acquired the Security Being Reported on by the Parent Holding Company or Control Person

Not Applicable

Item 8. Identification and Classification of Members of the Group

Not Applicable

Item 9. Notice of Dissolution of Group

Not Applicable

Item 10. Certification

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under §240.14a–11.

CUSIP No. 23130A102  SCHEDULE 13G Page 8 of 8 Pages

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: February 14, 2013

Walleye Trading, LLC
By:	Peter Goddard
	Name:	Peter Goddard
	Title:	Chief Compliance Officer

Walleye Trading Advisors, LLC
By:	Peter Goddard
	Name:	Peter Goddard
	Title:	Chief Compliance Officer