In fact, many valuation metrics have been displaying extreme readings for the past 12 to 15 months, yet stocks continue to grind their way higher. (netpicksetfinvestor.com)
This is what you like to see... however in the beginning of a bull market not in a late stage with extreme readings in margin debt & numerous distribution -LSB-...] (trendfollowingmentor.com)
Contrarian investors may use this market breadth indicator to buy or sell stocks when it gives extreme readings, i.e., below 30 % or above 70 %. (investopedia.com)