As filed pursuant to Rule 424(b)(3) Registration No. 333-156219
PRICING SUPPLEMENT (To Prospectus dated December 17, 2008 as supplemented by the Prospectus Supplement dated December 17, 2008)
CALCULATION OF REGISTRATION FEE
Title of Each Class of Securities Offered				Proposed Maximum Aggregate Offering Price				Amount of Registration Fee(1)(2)
(1) Calculated in accordance with Rule 457(r) of the Securities Act. (2) Paid herewith.
HSBC Finance Corporation - Registration No. 333-156219 Rule 424(b)(3) Preliminary Pricing Supplement No. 18 Dated Monday, October 26, 2009
CUSIP Number	Principal Amount		Gross Concession		Net Proceeds	Coupon Type	Coupon Rate			Coupon Frequency	Day Count Basis
40429XWR3	[ --]		1.250%		[ -- ]	FIXED	4.250%			Semi-Annual	30/360
Maturity Date	1st Coupon Date		1st Coupon Amount		Survivors Option	Product Ranking				Moody’s Rating	S & P Rating
11/15/2014	05/15/2010		$22.43		YES	Senior Unsecured Notes				A3	A
Redemption Information: Non-Callable
Joint Lead Managers and Lead Agents: Banc of America Securities LLC, HSBC Securities (USA) Inc. and INCAPITAL, LLC. Agents: Charles Schwab & Company, Incorporated, Citigroup Global Markets Inc., Edward D. Jones & Co., L.P., Fidelity Capital Markets Services, a division of National Financial Services, LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated, Morgan Stanley & Co. Incorporated, RBC Capital Markets Corporation, UBS Securities LLC, and Wachovia Securities LLC. If the maturity date or an interest payment date for any note is not a Business Day (as term is defined in Prospectus), principal, premium, if any, and interest for that note is paid on the next Business Day, and no interest will accrue from, and after, the maturity date or interest payment date. The notes represent obligations of HSBC Finance Corporation and are not obligations of, nor guaranteed by, HSBC Holdings plc or any of its affiliates.
HSBC Finance Corporation 26525 N. Riverwoods Blvd. Mettawa, IL 60045		Offering Dates: Monday, October 26, 2009 through Monday, November 2, 2009 Trade Date: Monday, November 2, 2009 @ 12:00 PM ET Settlement Date: Thursday, November 5, 2009 Minimum Denomination/Increments: $1,000.00/$1,000.00 Initial trades settle flat and clear SDFS: DTC Book Entry Only DTC Number: 0235 via RBC Dain Rauscher Inc. InterNotes® is a registered trademark of Incapital Holdings LLC All rights reserved.							HSBC Finance Corporation HSBC Finance InterNotes Prospectus Supplement dated December 17, 2008 to Prospectus dated December 17, 2008