When is the time to increase the range of stock market fluctuations?

According to Trade News, the time to increase the amplitude of the fluctuation Exchange It was found?
Quoted from the world of economy, The Board of Directors of the Stock Exchange and Securities Organization, during a meeting on Wednesday, in order to increase efficiency and increase the liquidity of the capital market, decided to increase the volatility range by one percent symmetrically in the first market of Tehran Stock Exchange and OTC Iran from 29 April 1401.
Announcing this news, Seyed Mehdi Parchini said: “One of the demands of market participants in recent months was to increase the range of price fluctuations.”
Accordingly, the stock exchange organization has been investigating this issue in recent months.
The Director of Stock Exchanges added: “Finally, the proposal to gradually increase the volatility was raised in the meeting of the Board of Directors of the Stock Exchange and Securities Organization and approved by the members of the Board of Directors.”
This change in the market microstructure in trading systems will be operational from Monday (April 29).