Add training workflow, datasets, and runbook

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TABLE 2-10.
Return if unchanged-margin account.
Method 1
Unchanged stock value (500
shares at 43)
Plus dividends
Less margin interest charges
(10% on $10,910 debit for
6 months)
Less debit balance
Less net investment (margin)
Net profit if unchanged­
margin
$21,500
+ 500
545
10,910
- 9 470
$ 1,075
Part II: Call Option Strategies
Method 2
Profit if unchanged-cash
Less margin interest charges -
Net profit if unchanged­
margin
$1,620
545
$1,075
Return if unchanged = $ l ,075 = 11 .4%
$9,470
TABLE 2-11.
Break-even point-margin write.
Net margin investment
Plus debit balance
Less dividends
Plus margin interest charges
Total stock cost to expiration
Divide by shares held
Break-even point-margin
TABLE 2-12.
Percent downside protection-margin write.
Initial stock price
Less break-even price-margin
Points of protection
Divide by original stock price
Equals percent downside protection-margin
$ 9,470
+ 10,910
500
+ 545
$20,425
+ 500
40.9
43
-40.9
2.1
+43
4.9%
The return if exercised is 18.4% for the covered write using margin. In Example
1 the return if exercised for a cash write was computed as 11.2%. Thus, the return if
exercised from a margin write is considerably higher. In fact, unless a fairly deep in­
the-money write is being considered, the return on margin will always be higher than