Finshots Daily Finshots Daily

How traders allegedly gamed CAS

Aug 21, 2026 · 9m

Summary

Host Shashank signs off after two years, introducing Saad as the new anchor for Finshots Daily. The episode examines alleged Sensex manipulation by Koptal and Mancy during the new Closing Auction Session (CAS). It explains how traders exploited CAS loopholes to influence index prices for option profits. The discussion evaluates potential regulatory fixes, such as restricting order cancellations, while weighing impacts on market participation and price discovery.

Topics discussed

Host transition: Shashank steps down, Saad takes over Intro: CAS downsides and insurance masterclass promo SEBI action against Koptal and Mancy for manipulation How the Closing Auction Session (CAS) works Koptal's aggressive buying to spike Sensex Mancy's sell orders to suppress Sensex price Why CAS is vulnerable to spoof and pull tactics Global safeguards: NYSE, Thailand, and Hong Kong India's current rules and the limit order dilemma Participation drop and potential regulatory solutions
Listen ad-free on Castria