Volatility to spike up as option expiry day approaches

The option expiry day is approaching and the volatility is picking up steam in NIFTY.

So far, NIFTY has reached the previous high which is a liquidity zone. However, there has
been a lack of follow through buying.

So, there could be a pullback to the 15600 level again over the next two days as the expirty
on June 24 approaches.

I will be shorting the index between 15870-15920 with SL above 15950.
Looking at 15600 as a target