» Using TRIN To Create A Winning System; Search. Recent Posts. TRIN is unique to broad market indices (NYSE, SPX, Dow), so you can't neither diversify nor increase trade count. You can't diversify into markets with stock nomenclature substantially different from that of NYSE. That leaves you with the three I mentioned or their likes. Fast, Reliable, Affordable. Real time market data feeds and API for easy integration into your analysis applications. Compatible with all major 3rd party market data analysis software.