They are followed by Shenzhen SE, NYSE and Shanghai SE, as per an analysis of data compiled by the World Federation of Exchanges
US-based Nasdaq OMX has emerged as the largest bourse in the world in terms of total number of equity trades so far in 2014, followed by India's National Stock Exchange (NSE) at the second spot.
In the same period last year (January-October of 2013), NSE was on the top, as per an analysis of data compiled by the World Federation of Exchanges (WFE).
The equity trade volumes on Nasdaq OMX stood at 144.2 crore, making it the top exchange among 52 global peers for the period January-October, 2014.
NSE which logged in 141.74 crore equity trade volumes comes a close second.
In the January-October period of 2013, Nasdaq was at the fifth place, after NSE, Shenzhen SE, NYSE and Shanghai SE in the first four places.
For this year, Nasdaq and NSE are followed by Shenzhen SE, NYSE and Shanghai SE among the top five.
Another major Indian bourse, BSE recorded 32.39 crore equity trades in the period under review, maintaining it place as the eight largest exchange in the world for this category.
The number of listed companies is much larger at BSE, but it lags behind NSE in terms of value and volume of trades.
While equity trades on Nasdaq have jumped 51 per cent year-on-year, the volumes on NSE surged by 16 per cent.
China's Shenzhen SE recorded about 128.4 crore equity volumes followed closely by NYSE with 128.25 crore trades.
Others among the top-ten included Korea Exchange (6th), Japan Exchange Group - Tokyo (7th), TMX Group (9th) and BM&FBOVESPA (10th).
As per WFE's data, the total number of equity trades globally rose by nearly 18 per cent to little over 1,000 crore.
Individually, Asia-Pacific region logged in a total of 616.76 crore equity trades, more than 554.73 crore trades in January-October 2013.
Meanwhile, the two other regions -- Americas and Europe-Africa-Middle East (EAME)-- saw 316.37 crore and 67.14 crore trades respectively -- much higher than volumes witnessed in the period year ago.