The short-term trend of Nifty is choppy with range-bound action. Any upside from here could encounter strong resistance around 22,800 levels. Immediate support is at 22,550 levels and a slide below the support could trigger some more weakness ahead, Nagaraj Shetti of HDFC Securities said. Open Interest (OI) data showed that on the Call side, the highest OI was observed at 22,700.