** Shares of Myer Holdings MYR.AX fall as much as 18.8% to A$0.930, their biggest intraday pct loss since Sept 10, 2020

** Stock hits lowest level since Nov 15, 2024

** The department store owner says operating gross profit was about A$560 mln ($344.85 mln) YTD, a decrease of about A$15 mln on pcp

** Says total annual sales so far were A$1,592 mln, down 0.8% from the previous year

** About 6.5 mln shares change hands, 3.8 times the 30-day average volume of 1.7 mln

($1 = 1.6239 Australian dollars)

(Reporting by Manasi Dasa Sundeep in Bengaluru)

((Manasi.DasaSundeep@ThomsonReuters.com))