Big move · Indonesia stocks
PT Mitrabahtera Segara Sejati Tbk (MBSS) plunges 11.1% to IDR 4,000.00
Its biggest one-day fall in 5 months, on 3.5 times its 20-day average volume.
- Close
- IDR 4,000.00
- On the day
- −11.1%
- Volume
- 3.5× average
- vs 52-week high
- −11.1%
PT Mitrabahtera Segara Sejati Tbk closing prices
The last 90 closes up to 8 October 2026. The live chart is on the MBSS page.
What happened
PT Mitrabahtera Segara Sejati Tbk (MBSS) closed at IDR 4,000.00 on 8 October 2026, down 11.1% from IDR 4,500.00 the session before.
It was MBSS's biggest one-day fall in 5 months. Over 5 sessions the price is up 37.5%, and over 20 sessions it is up 38.9%.
The close is 11.1% below the highest close of the past year (IDR 4,500.00 on 7 Oct 2026) and 217.5% above the lowest (IDR 1,260.00 on 14 Oct 2025).
Trading was heavy: volume was 3.5 times its average of the sessions before.
Across the 15 IDX stocks we track, 2 closed higher and 8 closed lower that day, with a median change of −0.28%. MBSS's change was −11.1%.
This page reports what the price and volume data show. It does not say why the price moved.
The numbers
| Previous close | IDR 4,500.00 |
|---|---|
| Close | IDR 4,000.00 |
| Change on the day | −11.11% |
| Change over 5 sessions | +37.46% |
| Change over 20 sessions | +38.89% |
| Volume | 13.88 Million |
| Average volume, up to 20 sessions before | 4.00 Million |
| Volume against that average | 3.5 times |
| Highest close in the past year | IDR 4,500.00 (7 Oct 2026) |
| Lowest close in the past year | IDR 1,260.00 (14 Oct 2025) |
The full chart and history are on PT Mitrabahtera Segara Sejati Tbk (MBSS). More from this market: IDX news today.