Big move · Thailand stocks
Osotspa Public Company Limited (OSP) rises 6.1% to THB 17.50
Its biggest one-day rise in at least a year, on 4.5 times its 20-day average volume.
- Close
- THB 17.50
- On the day
- +6.1%
- Volume
- 4.5× average
- vs 52-week high
- −6.9%
Osotspa Public Company Limited closing prices
The last 90 closes up to 21 October 2026. The live chart is on the OSP page.
What happened
Osotspa Public Company Limited (OSP) closed at THB 17.50 on 21 October 2026, up 6.1% from THB 16.50 the session before.
It was OSP's biggest one-day rise in at least a year. Over 5 sessions the price is up 6.1%, and over 20 sessions it is up 8.7%.
The close is 6.9% below the highest close of the past year (THB 18.80 on 19 Feb 2026) and 25.0% above the lowest (THB 14.00 on 23 Mar 2026).
Trading was heavy: volume was 4.5 times its average of the sessions before.
Across the 26 THAILAND stocks we track, 10 closed higher and 7 closed lower that day, with a median change of 0.00%. OSP's change was +6.1%.
This page reports what the price and volume data show. It does not say why the price moved.
The numbers
| Previous close | THB 16.50 |
|---|---|
| Close | THB 17.50 |
| Change on the day | +6.06% |
| Change over 5 sessions | +6.06% |
| Change over 20 sessions | +8.70% |
| Volume | 40.64 Million |
| Average volume, up to 20 sessions before | 8.99 Million |
| Volume against that average | 4.5 times |
| Highest close in the past year | THB 18.80 (19 Feb 2026) |
| Lowest close in the past year | THB 14.00 (23 Mar 2026) |
The full chart and history are on Osotspa Public Company Limited (OSP). More from this market: THAILAND news today.