Market voices want the Securities and Exchange Board of India (SEBI) to refine the reformatory initiative of Call Auction Session (CAS) mechanism, rather than abandoning it, noting that the massive feedback received by the regulator shows that stakeholders want the reform to be implemented accurately. Venkatachalam Shunmugam, Partner at MCQube, was of the view that SEBI is likely to stick with the blended CAS mechanism to avoid unraveling the progress traders have made in adapting to the auction system since its August rollout.