Alex Mathew, head - research centre, Geojit Financial Services said, ``The overall trend for the market remains dull, ahead of F&O expiry. The rollover figures were not so encouraging. Nifty rollover was around 48% which is too low comparing with the previous rollovers. The low rollover is partly due to inflation figure, which is expected to be above 12.85%.`` ``The Nifty futures volumes were also too low, may be participants are expecting subdued trend to continue for some more time. Nift