Questions tagged [adjustments]
The adjustments tag has no usage guidance.
15
questions
2
votes
0
answers
164
views
Rigorous formula for adjusted close price
I'm a mathematician who is new to the stock market, and I'm hoping to shine a rigorous light on a simple example of adjusting close prices for, say, dividends.
Let time $t$ represent today. Say that ...
0
votes
0
answers
45
views
Precision issue of dividend adjustment
I'm having an issue with calculation of dividend adjusted prices as I have some mismatches with adjusted prices on other data sources.
For example, here is a day when dividend ex_date of IBM happened:
...
1
vote
0
answers
145
views
Convexity Adjustment for Average Rate IRS
Suppose that one want to price an Interest Rate Swap with daily averaging, i.e. the floating leg looks like
$$Floating~Leg = \sum\limits_{i=1}^N P(T_i)\cdot\frac{\sum_{k=1}^m F(t_k, t_k+\delta)}{m}, ~...
0
votes
0
answers
46
views
What happens to options on a SPACs unit class post deal closure?
SPAC unit share classes are typically structured as following:
Unit = Stock + (1/5) Warrant
When the SPAC deal closes the ticker changes and the unit converts to ...
1
vote
1
answer
601
views
Work out example of Valuation adjustment
Currently, there are many valuation adjustments for the fair price of a derivative instrument, when pricing is based on RFR. One of such adjustment is ...
1
vote
0
answers
164
views
Currency of CDS and adjustment of interest rated for country risk
I have question concered currency of the CDS spreads.
In the analysis I am conducting, I perform adjustment of interest rates for country risk (CDS could be a reference to reflect a country risk).
...
0
votes
2
answers
314
views
Which convention drives what the result of "30 august 2017 + 6M" should be?
If I use c#'s AddMonths method, "30 august 2017 + 6M" will give "28 february 2018" (as the latter is the last day of the february month in the non leap year 2018). ...
0
votes
1
answer
339
views
Keep Saved IB Historical Data Accurately Adjusted
How have you dealt with adjusting saved historical data, specifically using the IB API?
As far as I can tell, currently, I need to perform the calculations described on Quandl's blog.
I haven't ...
10
votes
3
answers
3k
views
Why is there a convexity adjustment if the payment date differs from Libor end date?
A 3 month LIBOR that fixing at $T$, paying in 3 months does not have a convexity adjustment.
However, 3 month LIBOR fixing at $T$, paying in 6 months needs a convexity adjustment.
How is this shown ...
1
vote
1
answer
1k
views
What are necessary adjustments to returns in CRSP?
I guess this is a pretty straight forward and basic question.
I am using the entire CRSP universe from 1962-2016 and my goal is to replicate a research paper. However, I realized that the average (...
2
votes
4
answers
6k
views
Close or Adjusted Prices when Backtesting
I've been doing this for some years now, but recently, since I started fiddling around with an old pairs trading strat of mine again, when updating the databases before running the tests, I was ...
15
votes
3
answers
8k
views
What continous adjustment methods are firms using for futures backtesting?
There are several methods available between data vendors and associated software programs to adjust futures contract data for historical simulations.
Some of the methods are:
1) Back or forward ...
14
votes
3
answers
7k
views
Total Return measurement paradox w/ Adjusted Close Prices
Using total return calculations is critical in developing security selection models.
The standard way to measure total return is to develop a series of price-adjusted data. Investopedia describes the ...
29
votes
9
answers
20k
views
Any known bugs with Yahoo Finance adjusted close data ?
Yahoo Finance allows you to download tables of their daily historical stock price data.
The data includes an adjusted closing price that I thought I might use to calculate daily log returns as a ...
7
votes
2
answers
1k
views
Credit Valuation Adjustments -- computation issues
I'm currently working on my Masters project related to accelerating Greeks computations for CVA on mixed interest rate portfolios. I would like to know about the status of technology for CVA and its ...