New high · Taiwan stocks
Formosa Petrochemical Corporation (6505) closes at a 52-week high of TWD 119.00
Its fourth new 52-week high in 5 sessions. Up 36.0% over 20 sessions.
- Close
- TWD 119.00
- On the day
- +7.7%
- Volume
- 2.4× average
- vs 52-week high
- New high
Formosa Petrochemical Corporation closing prices
The last 90 closes up to 13 October 2026. The live chart is on the 6505 page.
What happened
Formosa Petrochemical Corporation (6505) closed at TWD 119.00 on 13 October 2026, up 7.7% from TWD 110.50 the session before.
It was the fourth higher close in a row. It is the fourth new high in the last 5 sessions. Over 5 sessions the price is up 19.0%, and over 20 sessions it is up 36.0%.
That close is above every close of the past year. The previous highest was TWD 110.50 on 8 Oct 2026, and the new close is 7.7% above it.
Trading was heavy: volume was 2.4 times its average of the sessions before.
Across the 23 TAIWAN stocks we track, 8 closed higher and 15 closed lower that day, with a median change of −1.97%. 6505's change was +7.7%.
This page reports what the price and volume data show. It does not say why the price moved.
The numbers
| Previous close | TWD 110.50 |
|---|---|
| Close | TWD 119.00 |
| Change on the day | +7.69% |
| Change over 5 sessions | +19.00% |
| Change over 20 sessions | +36.00% |
| Volume | 69.20 Million |
| Average volume, up to 20 sessions before | 29.09 Million |
| Volume against that average | 2.4 times |
| Highest close in the past year | TWD 110.50 (8 Oct 2026) |
| Lowest close in the past year | TWD 40.80 (14 Oct 2025) |
The full chart and history are on Formosa Petrochemical Corporation (6505). More from this market: TAIWAN news today.