This updated chart shows in clearer terms the nature of the climax run in formation.
Notice how the upside spread between the low and high this past week was $18, the highest of all prior weeks.
“The price spread from the stock’s low to its high for the week will almost always be greater than that for any prior week since the beginning of the original move many months ago.” - William J. O'Neil, author of "How to Make Money in Stocks," on the signs of a Climax Run