A) OIL
https://www.investopedia.com/articles/etfs/top-inverse-oil-etfs/
http://etfdb.com/themes/inverse-short-oil-etfs/
PROSHARE ULTRA SHORT OIL
B) DOW30
ProShare Ultra short Dow30=
http://www.proshares.com/funds/dxd.html
https://finance.yahoo.com/quote/DXD?p=DXD
Search in RHB platform : Select "ASE" in Exchange, search PROSHARE ULTRA SHORT Dow30