NYSE TICK

Some good reading about NYSE Tick

http://traderfeed.blogspot.com/2008/06/using-nyse-tick-to-interpret-market.html

http://www.trade-guild.net/2010/07/tick-and-trin-indexes.html

http://www.marketweb.com/ord/findings.htm

http://www.day-trading-stocks.org/nyse-tick-indicator.html

1.TICK extreme values change over time: A reading today is not what it once was years ago
2.TICK low extremes have been steadily increasing over the last four years while TICK highs have been decreasing
3.There is an inherent bullish bias in the NYSE TICK, which goes along with the natural bullish bias in stocks
4.You must adapt your strategies to current realities in the TICK…not historical realities