Mumbai Rain Trading Explained: How NCDEX RAINMUMBAI Weather Futures Work? Who Can Trade On Them?

The National Commodity Derivatives Exchange Limited (NCDEX) is all set to launch a first-of-its-kind weather derivatives contract. RAINMUMBAI, India's first SEBI-approved, exchange-traded weather derivatives contract, will be launched on May 29 and is aimed at helping participants hedge financial exposure against fluctuations in rainfall

What is RAINMUMBAI?

RAINMUMBAI is an exchange-traded weather derivative contract, based on Monsoon Cumulative Deviation Rainfall (CDR). It is a daily measure of how much Mumbai's actual monsoon rainfall deviates from its three decade historical average.

These contracts do not cover physical damage, but they respond to measured conditions. These value changes with actual rainfall recorded in a location over a defined period.

Who Can Trade On RAINMUMBAI?

RAINMUMBAI is designed to cater for a wide range of participants, mostly those who are directly affected by the situation of monsoon in India. From farmers, construction companies, power utilities, banks with agricultural loan portfolios, and logistic operators, etc.

Excess rain brings a different set of potential RAINMUMBAI buyers, including construction firms dealing with stalled projects and cost overruns. Beach resorts, outdoor tourism operators, and airlines hit by flight disruptions or schedule changes may also hedge.

How NCDEX's RAINMUMBAI Works?

The NCDEX RAINMUMBAI contract is based on the Monsoon Cumulative Deviation Rainfall (CDR). RAINMUMBAI contracts will be available only for four monsoon months, ie June, July, August and September. RAINMUMBAI can not serve as an alternative of insurance and it settles purely on actual IMD rainfall data.

"RAINMUMBAI hedges against revenue and volume impact caused by rainfall deviation-even when there is no physical crop loss. It is also exchange-traded, transparent, highly liquid, and requires no government intervention for settlement," as per the press release.

Once RAINMUMBAI becomes operational, retail traders, organisations, financial institutions and proprietary traders can also buy or sell the futures contracts.

RAINMUMBAI Trading Time, Order Size, Other Info

NCDEX stated that the derivatives contract will come with a tick size of 1mm and a lot multiplier of Rs 50 per mm. Trading hours are scheduled from Monday to Friday between 10:00 AM and 11:30/11:55 PM, with a maximum order size capped at 50 lots. The operational model relies strictly on standardized scientific readings to calculate final settlement prices.

RAINMUMBAI Data

The rainfall data used for RAINMUMBAI will purely depend on IMD's surface rainfall observations at two base stations in Mumbai's Santacruz and Colaba. The rainfall data is recorded manually at these two rainfall weather stations. The main purpose of RAINMUMBAI is risk management for weather sensitive sectors and companies.

RAINMUMBAI Weather Derivatives: Eligibility of Retail Investors

Like other NCDEX commodity futures, RAINMUMBAI contracts are open to retail participants, subject to standard rules. "RAINMUMBAI is designed primarily as a risk management (hedging) instrument for entities with genuine weather-linked economic exposure. However, like all exchange-traded futures contracts, it can also be accessed by market participants - including financial institutions and proprietary traders - who act as liquidity providers and market makers. Speculation without underlying exposure carries its own risks and should be approached with caution," the exchange said.