2014 AM Q10D(Realized P/L) - Is answer wrong?

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June06

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Answer using (P_execution - P_decision)/ P_decision = Realized profit/loss
It’s not consistent with curriculum. Why?
Curriculum Example
  • On Monday, the shares of Impulse Robotics close at £10.00 per share.
  • On Tuesday, before trading begins, a portfolio manager decides to buy Impulse Robotics. An order goes to the trading desk to buy 1,000 shares of Impulse Robotics at £9.98 per share or better, good for one day. The benchmark price is Monday’s close at £10.00 per share. No part of the limit order is filled on Tuesday, and the order expires. The closing price on Tuesday rises to £10.05.
  • On Wednesday, the trading desk again tries to buy Impulse Robotics by entering a new limit order to buy 1,000 shares at £10.07 per share or better, good for one day. That day, 700 shares are bought at £10.07 per share. Commissions and fees for this trade are £14. Shares for Impulse Robotics close at £10.08 per share on Wednesday.
Realized profit/loss reflects the difference between the execution price and the relevant decision price (here, the closing price of the previous day). The calculation is based on the amount of the order actually filled:
[700*(10.07-10.05)]/1000*10
 
I get it right no issue with me. The equasion is the same as in the example. I used schwizer example.
 
You sure? Based on schweser example, the answer should be [(12.51-12.45)* 6000]/ (12.24*15000)
instead of [(12.51-12.45)* 6000]/ (12.45*15000)
12.24 is the closing price before the Day 1 trade instruction.
Both answer are very close but still different.
 
The realization profit. In basis point = ( (execustion price - decision price ) / decision price )* what you bought/ what you should have bought
 
The decision price must be 10 not 10.05 as you have calculated. The decision price is the price at where you had the decision. He decided in Tuesday before market open so the decision price is Monday close. Not Tuesday close .good luck
 
Schweser is clear that they consider the benchmark price to use for realized profit/loss if it extends beyond a day is the closing price on the prior day as June06 states. Either the answer is wrong or Schweser is wrong. Which one is it?
 
In the CFA text example, it appears as through two relevant decision prices exist : 10.05 and 10.00. While the 2014 exam has only 1 relevant decision price = 12.45
Imp shortfall always compares the actual portfolio to the paper portfolio, so that’s why the original $10.00 is used as denominator, while the more recent decision price of 10.05 is used in the numerator of realized profit/loss component. I think.
 
JSobes wrote:
Where are you getting the 12s from?
Click to expand...
2014 AM
Raffo is analyzing several equities to add to the portfolio. She finds a cement company, CTAC,
that she believes is trading at an attractive valuation. In establishing the CTAC position, the
sequence of events is as follows:

 On Monday, CTAC shares close at GBP 12.24.
 On Tuesday afternoon, Raffo directs Reynolds to buy 15,000 shares of CTAC.

The decision price is GBP 12.45. He purchases 6,000 shares at GBP 12.51.
Trading fees total an additional GBP 0.01 per share purchased. CTAC’s closing
price on Tuesday is GBP 12.50.

 On Wednesday, Reynolds decides to cancel the buy order for the remaining
9,000 shares and records a cancellation price of GBP 12.90.

D. Calculate the component of the implementation shortfall (in basis points) that is
attributable to realized profit/loss. Show your calculations.
 
green 7157 wrote:
Schweser is clear that they consider the benchmark price to use for realized profit/loss if it extends beyond a day is the closing price on the prior day as June06 states. Either the answer is wrong or Schweser is wrong. Which one is it?
Click to expand...
yes, it’s the point I feel confused…
 
Enemyofmyenemy wrote:
In the CFA text example, it appears as through two relevant decision prices exist : 10.05 and 10.00. While the 2014 exam has only 1 relevant decision price = 12.45
Imp shortfall always compares the actual portfolio to the paper portfolio, so that’s why the original $10.00 is used as denominator, while the more recent decision price of 10.05 is used in the numerator of realized profit/loss component. I think.
Click to expand...
Thanks, it makes sense.
So below information can be ignored!!!!
 On Monday, CTAC shares close at GBP 12.24.
Becase the decision price is given.
 
when they tell you clear enough that the decision price is 12.45 - does it matter what is stated in Schweser or what is done in the book?
 
Agree. If not told, DP will be 12.24. If told, using what exam given.
In 2014AM cast, we don’t have delay cost right?
 
THE WHOLE PREMISE IS WRONG
This equation is not the one used in IS (P_execution - P_decision)/ P_decision . For calculation of P/L in IS the denominator is not the same value as the decision price in the numerator. The denominator is the price of the day before the decision was taken. It’s the same d****d* denominator for all the calculations of the implicit cost in IS.
* the closer i get to the exam day, the more i’ll curse. After the exam, i’ll turn into the angel i always was.
 
Decision price (DP):
Schweser:
The market price of the security when the order is initiated. Often orders are initiated when the market is closed and the previous trading day’s closing price is used as the DP.
If based on schweser, it’s easily get the wrong DP for 2014 AM.
 
-On Monday, the shares of Impulse Robotics close at £10.00 per share. (that value goes down)
-The closing price on Tuesday rises to £10.05. (This price is the reference point for P/L)
-[700*(10.07-10.05)]/1000*10

-On Monday, CTAC shares close at GBP 12.24. (that goes down under)
-The decision price is GBP 12.45 . (This price is the reference point for P/L)
- [(12.51-12.45)* 6000]/ (12.24*15000)

Both are the same, both are correct, both are based on the text.
Again, what’s the issue?
 
Audacious wrote:
-On Monday, the shares of Impulse Robotics close at £10.00 per share. (that value goes down)
-The closing price on Tuesday rises to £10.05. (This price is the reference point for P/L)
-[700*(10.07-10.05)]/1000*10

-On Monday, CTAC shares close at GBP 12.24. (that goes down under)
-The decision price is GBP 12.45 . (This price is the reference point for P/L)
- [(12.51-12.45)* 6000]/ (12.24*15000)

Both are the same, both are correct, both are based on the text.
Again, what’s the issue?
Click to expand...
Then you lose 3 points. Please take a look at 2014 AM answer.
[(12.51-12.45)* 6000]/ (12.45*15000)
 
Tuesday AFTERNOON makes the difference. So trading day had already started with a new decision price. In this case the decision price is the one they have indicated (12.45)
This is different than the assumption in the OP “On Tuesday, before trading begins”
 
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