The volatility in the market is likely to continue as June series nears expiry. With just three days to go for current months expiry the Sensex may display wide siwings on both sides.The Sensex may open flat to marginally higher. On the upside, the index is likely to face resistance around 10,218-10,270-10,325 levels. On the downside the index may take support around 9865-9810-9755 levels.