Add training workflow, datasets, and runbook

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874 Part VI: Measuring and Trading Volatility
FIGURE 40· 1 O.
Proiected delta, in 14 days.
6000
4500
3000
Cl) 1500 ~ ro .c
(/)
0 'E
(1)
80 85 ~ ·5 -1500
95
XYZ Stock Price
C"
UJ
-3000
-4500
Using the example data:
Loss, XYZ moves from 88 to 89: -$100 (the position delta)
Loss, XYZ moves from 89 to 90: -$100 (delta) - $600 (gamma)
: -$700
Total loss, XYZ moves from 88 to 90: -$100 x 2 - $600 = -$800
This can be verified by looking at the prices of the call and put after XYZ has jumped
from 88 to 90. One could use a model to calculate expected prices if that happened.
However, there is another way. Consider the following statements:
If the stock goes up by 1 point, the call will then have a price of:
p 1 = Po + delta
5.505 = 5.00 + 0.505 (if XYZ goes to 89 in the example)
If the stock goes up 2 points, the call will have an increase of the above amount
plus a similar increase for the next point of stock movement. The delta for that sec­
ond point of stock movement is the original delta plus the gamma, since gamma tells
one how much his delta is going to change.