Big move · South Africa stocks
Master Drilling Group Limited (MDI) falls 7.3% to ZAc 1,482.00
Its biggest one-day fall in 3 months, on 4.7 times its 20-day average volume.
- Close
- ZAc 1,482.00
- On the day
- −7.3%
- Volume
- 4.7× average
- vs 52-week high
- −22.8%
Master Drilling Group Limited closing prices
The last 90 closes up to 7 October 2026. The live chart is on the MDI page.
What happened
Master Drilling Group Limited (MDI) closed at ZAc 1,482.00 on 7 October 2026, down 7.3% from ZAc 1,599.00 the session before.
It was MDI's biggest one-day fall in 3 months. Over 5 sessions the price is down 3.1%, and over 20 sessions it is down 6.4%.
The close is 22.8% below the highest close of the past year (ZAc 1,920.00 on 2 Feb 2026) and 12.2% above the lowest (ZAc 1,321.00 on 8 Jul 2026).
Trading was heavy: volume was 4.7 times its average of the sessions before.
Across the 39 JOHANNESBURG stocks we track, 8 closed higher and 28 closed lower that day, with a median change of −1.29%. MDI's change was −7.3%.
This page reports what the price and volume data show. It does not say why the price moved.
The numbers
| Previous close | ZAc 1,599.00 |
|---|---|
| Close | ZAc 1,482.00 |
| Change on the day | −7.32% |
| Change over 5 sessions | −3.14% |
| Change over 20 sessions | −6.38% |
| Volume | 246,718 |
| Average volume, up to 20 sessions before | 52,157 |
| Volume against that average | 4.7 times |
| Highest close in the past year | ZAc 1,920.00 (2 Feb 2026) |
| Lowest close in the past year | ZAc 1,321.00 (8 Jul 2026) |
The full chart and history are on Master Drilling Group Limited (MDI). More from this market: JOHANNESBURG news today.