Price of future and cash market become same on expiry day?

[nithin]

@kishy

If price of future and cash market become same on expiry day why are the closing prices of future and cash market on expiry day different on charts. For e.g: SBIN Future price closing on 29th june 2017 is 274.4 and cash market closing on same day is 272.45.

All futures contracts on expiry day after market close is settled to the adjusted closing price of the underlying stock. So the last traded price for futures can be different to what is the actual settled price (settlement price is calculated after market close).

Check this answer also

Why is the closing price in the marketwatch and the chart different?

Closing price on marketwatch is the last 30 mins adjusted average closing price (that is how exchanges determine closing price of the day, check this link). Closing price on the chart is the last traded price. Last 30 mins as the chart shows, the market has moved quite a bit, hence the adjusted price is 111.9 whereas last traded price was 114.75. If you change the time frame to day, you will see that marketwatch closing and chart last traded price matches. This is because we collect end of da…