NIFTY-50 has witnessed a sharp reversal from the lower support range of 22,200 levels making a higher support zone for the up move. f The highest put OI of 22,200 was protected and we witnessed a swift recovery led by private banks with positive momentum. The intra hour retracement was healthy testing the lower range and bounced with current momentum to test 22,700 levels over the next few days. f Highest call OI has moved to 22,600 strike while on the downside the highest put OI is at 22,300 for the weekly expiry