Thailand’s plan to extend scrutiny on high-frequency trades — in impact from Monday — follows steps from China, the place programmed buying and selling will quickly be topic to real-time monitoring. Whereas authorities anticipate the strikes to reinforce transparency, the rising management over sure trades has raised concern that liquidity could tighten and make these markets general much less enticing.
“The present pattern of regulators tightening the regulation of excessive frequency buying and selling is considerably comprehensible but additionally worrying,” mentioned Gary Dugan, chief govt officer of the World CIO Workplace. “The exercise of the HFT funds additionally brings liquidity to the markets – higher liquidity ought to result in the development within the environment friendly pricing of belongings.”
The controversial nature of such restrictions is on full show in South Korea, the place a short-selling ban harm its makes an attempt to win an improve from MSCI Inc. These developments present the difficulties policymakers have in maintaining with more and more subtle buying and selling methods and their impression on monetary markets, a problem that’s solely set to develop with the adoption of synthetic intelligence.
The restrictions, usually launched when inventory markets have been underneath stress, have managed to cease the bleeding however their longer-term impression is underneath debate given the expansion of computer-aided buying and selling.
Quantitative methods are based mostly off information science and systematic methods, with some utilizing huge information to time markets, observe tendencies or execute arbitrage trades.
China’s clampdown on quant buying and selling got here in February when the inventory market was at multi-year lows. With the added assist from purchases by state funds, shares staged a rebound however have began to fall once more since late Might.Thailand’s SET Index has fallen about 8% this 12 months, turning it into one of many area’s worst nation benchmarks. The inventory trade mentioned it’ll require high-frequency merchants to register earlier than they’ll place orders. The measures are a part of a package deal of guidelines to revive calm amid concern over the impression of unlawful quick promoting, program buying and selling and company scandals.“Policymakers in these markets would possibly view volatility as the first perpetrator for underperformance,” mentioned Hebe Chen, an analyst at IG Markets Ltd. “In smaller markets like Malaysia, the place the mixture of efficiency and volatility is extra much like China and Korea, the chances of making their very own security web can’t be dominated out.”
Chen added that nations which can be extra intently linked to international traders, resembling Japan and Singapore, are unlikely to use such restrictions as they search to align with the “common guidelines of the sport.”
ETMarkets.comAs restrictions look set to remain for now, market watchers warn of a chilling impression on buying and selling actions and a possible blow to the governments’ repute.
China’s quantitative hedge funds noticed their belongings drop within the first quarter for the primary time since late 2022, in keeping with estimates by Citic Securities Co.
In South Korea, quant funds are eyeing elsewhere as the federal government prolonged the short-sale ban via the top of March 2025.
“Because it grew to become inconceivable to make use of varied methods in South Korea, they’re saying goodbye to the South Korean market and doing arbitrage trades as an alternative in Japan and Hong Kong,” mentioned Jung In Yun, chief govt officer at Fibonacci Asset Administration World Pte.
To make sure, some have welcomed the restrictions as they’ll scale back short-term speculative trades. George Molina, head of buying and selling for Templeton World Investments, mentioned the principles are “wanted to regulate for what have been arguably loopholes within the system.”
It’s a view echoed by Wei Li, multi-asset quant options portfolio supervisor for BNP Paribas Asset Administration, who mentioned such measures can contribute to a extra steady and clear market atmosphere and in the end profit all contributors.
Governments in superior nations together with the US and Europe have additionally resorted to short-term restrictions in instances of economic stress, such because the 2008 ban on quick promoting of economic shares within the US and varied curbs on the onset of the pandemic.
The “final impression” will depend upon how properly laws are balanced to guard traders with out stifling market effectivity and innovation, mentioned Charu Chanana, a strategist at Saxo Markets. “AI can result in extra algorithmic buying and selling that stay susceptible to sudden and excessive market actions. Regulation in Asia will possible be gradual to answer developments in AI, and precautionary measures could subsequently stay extra stringent.”
