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Stretch calculation

What is/are my error(s)?

Below I'm sharing attempts to manually calculate the Stretch calculation. I've been successfully applying the Stretch (and Fibonacci of the Stretch calculations) calculations to my trading; BUT I can not manually calculate the same Stretch as provided at www.mypivots.com. I am asking the minds of the forum for a solution.

These are the Stretch calculations I have manually produced but they are not the same as those provided at ... http://www.mypivots.com/dictionary/definition/206/stretch (The Stretch is calculated by taking the 10 period SMA of the absolute difference between the Open and either the High or Low, whichever difference is smaller.)

The ten day average for the first ten days of November is 42.9.

DATE OPEN-HIGH***OPEN-LOW**LESSER**MYPIVOTS STRETCH****MY CALCULATION
1 NOV 7 *339 ** 7 ****29 **** 44.1
2 NOV 143 58 **58 ***31 **** 44.9
3 NOV 242 174 **174 ***30 *** 55
4 NOV 27 218 ***27 ***42 ***55
7 NOV 65 237 65 46 ***53.2
8 NOV 139 204 139 46 ***65
9 NOV 8 432 8 44 ***60.6
10 NOV 189 74 74 ****51 ***63.3
11 NOV 287 319 287 ****52 87.5
14 NOV 74 144 74 ****58 91.3
15 NOV 75 138 75 ****65 97.1
17 NOV 42 199 42 64 90
18 NOV 118 45 45 56 89.1
19 NOV 4 301 4 50 83
22 NOV 55 123 55 49 74.6
23 NOV 17 252 17 50 75.5

Quid Pro Quo: The (3, -1) trending formula produces tradeable probabilities; however, as the futures expiration day approaches traders are shirking from gaming the markets as positions in the front month begin rotating around 1.618% and 2.618% of the Stretch price reversals. While the beginning of this counter trending [(3, -1), (3, -2) and (3, -3) counter trend formula] adjustment to price action starts to develop, the daily trading range continues to print close to the 4.25% of the Stretch calculation. Once the front month rolls over into the next contract, professional traders begin fading the first move ('gaming the market) and measuring three of that price measurement, from unchanged, towards the other direction. This (-1) of the (3, -1) price move is the trade entry, the fade. This price action has been repeated throughout the past 15 months.

So here I sit, poor math skills, but an ability to recognize price patterns and tradeable opportunities, ... the irony of bi-polar.