If you are bearish on KLSE, then you should consider the PUT warrants that are available:
AIRASIA-HA, AXIATA-HA, BIMB-HA, CIMB-HA, GAMUDA-HA, JCY-HA, MBMR-HA, MBSB-HA/HB, MHB-HB, RHBCAP-HA
Do you home work first before deciding. Some stock are in strong bull trend, some has been beaten down a lot. Some just about perfect for a bearish trade.