What Happened
Nithin Kamath, co-founder of Zerodha, stated that the sharp, unpredictable swings observed during the new 20-minute Closing Auction Session (CAS) in Indian markets are due to structural weaknesses, not flaws in the mechanism itself. These moves have caused losses for options traders and algo desks.
Why It Matters (for you)
This development is significant for market participants, especially those involved in derivatives and algorithmic trading. Increased volatility and unpredictable price movements during the closing session introduce higher risk and can lead to substantial losses, potentially impacting trading strategies and overall market confidence.
Impact on Indian Markets
The increased volatility could negatively impact brokerage firms like Zerodha (unlisted, but representative of the broking sector) and other listed financial services companies that cater to active traders and algo desks. While not directly impacting specific stocks, it creates a more challenging trading environment, potentially affecting trading volumes or increasing risk for market makers and institutional investors. Companies like MCX, which thrive on trading activity, could see mixed effects depending on how participants adapt.
What Traders Should Watch Next
Traders should closely monitor SEBI's response to calls for changes or a rollback of the CAS. Observe how market participants, especially algo desks, adapt their strategies to this new volatility. Any further commentary from market leaders or regulatory bodies on market structure and volatility will be crucial.
Key Evidence
- Zerodha co-founder Nithin Kamath said sharp swings under the new Closing Auction Session (CAS) reflect structural weaknesses.
- The new 20-minute auction has caused unpredictable late-day moves.
- Caused losses for options traders and algo desks.
- Fuelling calls for changes or a rollback.
- Risk flag: Continued high volatility in closing sessions