Daily Settlement price: Calculated based on last half an hour weighted average price
Final settlement price (Contract expiry): RBI Reference rate on the contract expiry date, contract expires two days prior to the last business working day of the expiry month at 12 noon.
The settlement of currency contracts will be fixed based on the Reserve Bank of India Reference Rate at 12.00 noon on the Last Trading Day. All contracts will net settle in INR.
The weighted average price obtained from the weekly auction of 91day GOI Treasury Bill on the day of expiry of the contract (notified by the RBI in its press release announcing the auction results of the day) shall be used for arriving at the weighted average discount yield as per the below formula specified in the RBI.
On the expiry day all the open positions in currency future contracts are marked to the final settlement price which is determined by the RBI reference rate of such futures contract on the last trading day. And all the open positions in futures contract cease to exist after their last trading day.
The final profit/loss is credited/debited on T+2 day which is the difference between trade price/previous day’s settlement price with the RBI reference of such contract on the last trading day.
The position shall be automatically squared up and no open position will be left on the date of expiry. As the reference rate fixed by RBI on last trading day will be taken as the settlement price.
Daily Settlement price is Calculated based on last half an hour weighted average price.
and
On expiry day settlement price is RBI calculates reference rate between 11:45 and 12:15 PM. Trading is allowed till 12:15 PM. Reference rate is issued at 12:30 and all current month open contracts settled at the Reference rate.