Section 43(5) defines what is considered as Speculation under Income Tax Act. In a very simple term, all transactions without actual delivery is defined as speculative transaction. So, upto 31/03/2005, every derivative transaction whether in share or commodity was SPECULATIVE transaction within the meaning of section 43(5) i.e for Income Tax Act purpose. Finance Act 2005 brought in amendment in section 43(5) , by which Futures & Option trade in case of SHARES transaction through stock exchange recognized by CBDT for THIS purpose was taken out of the definition of SPECULATION.
F & O on Shares is Business Activity
CBDT later recognized NSE, BSE & Others for the purpose of section 43(5) . So position in case of derivative trading ( F & O) in case of shares , the transaction is not speculative from 01/04/2006 (Asst Yr 2006-07) onwards.
F & O on Commodity is Business Activity
Finance Act 2013 has from 01/04/2014( Assessment Year 2014-15) has also brought in amendment to section 43(5) , by which commodity trade through recognized exchange will not be regarded as Speculative. CBDT vide NOTIFICATION NO. 92/2013 New Delhi, the 29th November, 2013 recognized Multi Commodity Exchange of India Limited under Rule 6DDD .
Thus any derivative trading in commodity through Multi Commodity Exchange of India Limited (mcxindia.com ) will be regarded as business activity from 01/04/2013 ( FY 2013-14)