If you follow this chart pattern then stick with this plan.
New Update to take a position for the buy-side If price branch level of 269.75 and hold position 270-271for 10 to 15 min with proper closing then you take a trade for long side and trail your stop-loss.
As per Option Chain ultimate support levels are: 265, 260 & 250
Resistence Levels are: 270 & 280.
*** Following chart timing is 15min candlestick.
Using Bollinger Band with default setting best use with MACD indicator.
Hope you will get nice profit...
and don't forget like button :)