EOD Open Interest Data

The Data shown below Indicates the daily activity in Derivatives segment of Nifty and Bank Nifty by different market participants.

But as a general trend market moves with the positions taken by FIIs Hence we focus only on the activity of FIIs which will be analyzed as follows.

Firstly Index Futures Segment 

If FIIs are Net Long/Short Index Futures (Long-Short) > 15000 on a Particular day It indicates strong bullish(net longs) strong bearish(net shorts) momentum in Nifty

Secondly Index Options Segment : 

An activity of more than 30000 contracts to particular side results in approximately a 150 point movement in nifty and 400 Points in Bank Nifty

Calls :

If Call Longs-Call Shorts > 30000 It indicates strong bullish Momentum.

If Call Shorts-Call Longs > 30000 It indicates strong bearish Momentum.

Any activity less than 30000 contracts is nor considered as reliable as it does not result in a significant momentum(this is based on the past observation)

Puts :

If Put Longs-Put Shorts > 30000 It indicates strong bearish Momentum.

If Put Shorts-Put Longs > 30000 It indicates strong bullish Momentum.

Any activity less than 30000 contracts is nor considered as reliable as it does not result in a significant momentum (this is based on the past observation)