As on 1st October 2014 Rahu, Sun & Venus in Virgo, Saturn & Mercury in Libra, Mars in Scorpio, Moon in Sagitarius, Ketu in Pisces and Jupiter in Cancer. Planetary transits in October: 16th Mercury -> Virgo, 18th Sun -> Libra & Mars -> Sagitarius and 19th Venus -> Libra.
The planetary positions given above are at the time of Sunrise in India(Kerala) and Moon's conjunction effects on markets may be seen in countries (Asia / Europe / US) over which conjunction(0°) take places. When the angle difference between Moon and the planet is more than 5 degrees or conjunction occurs in Rasis(constellations) other than the Sun's Rasi, there may be a delay up to 24 hours in the conjuntion effect according to their positions. As Moon conjuncts with Mars on 28th, Nifty may move downwards on 28/29th. Moon conjuncts with Venus and Jupiter on market holidays and hene no effect. But, since Sun and 3 planets are nearby Rahu, caution is advised due to possibilities of natuaral calamities and political disturbances.
Please note that the Nifty futures lot sizes will be reduced to 25 with effect from 31st October 2014. Relevant circular is given below: