New Delhi, April 30 -- The Securities and Exchange Board of India's (Sebi) clarification that opinion trading does not fall within its purview has left platforms allowing people to bet on real-world events in a regulatory grey zone.

The markets regulator on 29 April warned people against engaging with opinion trading platforms, which let users wager money on the outcome of future events framed as binary propositions-typically "yes" or "no".

Such apps, the regulator said, mimic investment platforms by using terms closely associated with securities trading, such as profits, stop loss, trading, etc. "Opinion trading does not fall within Sebi's regulatory purview, as what is traded is not a security. Investors/participants should be aware t...