Is IDX open on Friday 16 February 2018?

No. IDX is closed on Friday 16 February 2018 for Lunar New Year. It reopens on Monday 19 February 2018.

Lunar New Year

Related markets on 16 Feb 2018

TSE Tokyo	09:00–15:00
HKEX	Chinese New Year
SSE	Chinese New Year (Spring Festival)
KRX	Seollal (New Year's Day by the lunar)
NSE	09:15–15:30
SGX	Chinese New Year
ASX	10:00–16:00
NYSE	09:30–16:00
Nasdaq	09:30–16:00
TSX	09:30–16:00