FLTB Fidelity Limited Term Bond ETF

49.285

0.005 (0.01%)

25 Jun 2024 - Closed

Delayed by 15 minutes

Name	Symbol	Market	Type
Fidelity Limited Term Bond ETF	AMEX:FLTB	AMEX	Exchange Traded Fund

	Price Change	% Change	Price	High Price	Low Price	Open Price	Traded	Last Trade
	0.005	0.01%	49.285	49.42	49.25	49.42	9,040	21:15:00

Certification of No Change in Definitive Materials. (497j)

31/12/2019 3:37pm

Edgar (US Regulatory)

245 Summer Street

Fidelity® Investments

Boston, MA 02210

December 31, 2019

U.S. Securities & Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549

Attention: File Room

RE:

Fidelity Merrimack Street Trust (the trust): File Nos. 333-186372 and 811-22796
Fidelity Corporate Bond ETF
Fidelity Limited Term Bond ETF
Fidelity Low Duration Bond Factor ETF
Fidelity Total Bond ETF

(the fund(s))

________________________________________________________________________

Ladies and Gentlemen:

Transmitted herewith pursuant to Rule 497(j) under the Securities Act of 1933 is certification that the Prospectus(es) and Statement(s) of Additional Information with respect to the above referenced fund(s) do not differ from those filed in the most recent post-effective amendment, which was filed electronically.

Very truly yours,

/s/Cynthia Lo Bessette

Cynthia Lo Bessette

Secretary of the Trust