# Thai Bourse Updates Trading Rules

> Thailand's stock exchange adjusts short-selling and high-frequency trading rules to boost market stability.
- Title: Thai Bourse Updates Trading Rules · mint | Shortify
- Summary: Thailand's stock exchange adjusts short-selling and high-frequency trading rules to boost market stability. Thailand's Stock Exchange will revise…
- Keywords: stock exchange, short selling, high frequency trading, thailand, set, securities and exchange commission, money, business, Thai, Bourse, Updates, Trading
- Source: mint — https://livemint.com/market/thai-bourse-revises-short-selling-high-frequency-trading-rules-11791695810333.html
- Published: 2026-10-11T05:16:49+00:00
- Read time: 1 min
- Topics: stock exchange, short selling, high frequency trading, thailand, set, securities and exchange commission, money, business
## New Trading Rules Effective
Thailand's stock exchange will roll out revised rules from November 16, including changes to short-selling and high-frequency trading.
## Smaller Price Increments for Stocks
The exchange will allow stocks priced between 5 baht and 50 baht to trade in smaller price increments.
## Short Selling Restrictions
The bourse will limit short selling to more liquid securities including SET100 shares and exchange-traded funds.
## New Trading Fees and Rules
Investors will be allowed to short-sell a security at a value equal to or higher than its latest traded price.
## Key takeaway

Thailand's Stock Exchange will revise short-selling and high-frequency trading rules starting November 16 to improve market stability and investor confidence.