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Hi, would someone mind explaining these two concepts? The way the official guide shows them is not clear to me.

Why does option valuation relies on these two concepts?

"The two-period binomial option valuation model illustrates two important concepts, self-financing and dynamic replication.

submitted by SalamanderDesperate9 to CFA [link] [comments]
Why does option valuation relies on these two concepts?

"The two-period binomial option valuation model illustrates two important concepts, self-financing and dynamic replication.

- Self-financing implies that the replicating portfolio will not require any additional funds from the arbitrageur during the life of this dynamically rebalanced portfolio. If additional funds are needed, then they are financed externally.
- Dynamic replication means that the payoffs from the option can be exactly replicated through a planned trading strategy.

I understand that when considering american options we always take the maximum of the expected future value vs early share value and then discount it to t=0. However, what should I do when there is a dividend payment? How can I reach the price of the option. I have 3-period binomial model of an american put and there is a %10 divident payment at t=2. Should I just ignore the dividend payments?

submitted by haveyoumetouz to options [link] [comments]
Is there any where any videos out there that could explain binomial option pricing other than MM and CFA level materials cause they are both hard to follow. Thank s 😊

submitted by hello_1234y to CFA [link] [comments]
Just curious to see peoples thoughts on which method they prefer to use. I have a lot of historical options data but unfortunately lack the greeks values. I am hoping to supplement the values by using either of these methods to have more information for my model along with implementing one of these methods into my model for future pricing to find ideal execution prices. Please let me know your thoughts and experiences with american options pricing!

submitted by Gaylien28 to algotrading [link] [comments]
I was checking my european options calculator i did on vba and wanted to improve it with the american option style but i did the european valuation using the expectancy of the present value of the option payoff with the binomial distribution obvioulsy but i have no idea how to code it for american style, my code basically is the present value of the expectancy of Max[0, Su^{i} d^{n-i} - K] where S is the price of the stock, K the strike price and u is the proportion of how much the price increases and d of how much it decreases.

How can i add the holding value to my code? :(

submitted by minibeto666 to financialmodelling [link] [comments]
How can i add the holding value to my code? :(

Can somebody help me understand formula the for binomial option pricing model for n-periods? The exercise is: Use the N-period binomial tree formula for European options ft and set u = eσ√Δt and d = 1 u . Assume that the current stock price and the strike price for a European put option is 30. The volatility is 30%, the risk-free rate is 10%, and maturity is T = 1. Assume ∆t = T /N and calculate option prices for varying numbers of N, where N = k(k+1)/2 , k = 1 … 30.

I have a formula for this and I understand what should go in apart from the binomial coefficient. Can someone help me understand how do I calculate binomial coeffcient for different N`s? I know that if e.g. N=1, then j=0 and j=1, but how do I put it into the option equation? I will appreciate if someone can help me with this...

submitted by alekszareba to options [link] [comments]
I have a formula for this and I understand what should go in apart from the binomial coefficient. Can someone help me understand how do I calculate binomial coeffcient for different N`s? I know that if e.g. N=1, then j=0 and j=1, but how do I put it into the option equation? I will appreciate if someone can help me with this...

Recently I've been studying binomial and trinomial tree option pricing with the goal of developing an open-source option valuation library in Rust. I'm still in my undergrad, but I have a solid background in both finance and computer science. In my research with binomial trees, it seems as though I should take a dynamic programming approach in order to maximize runtime efficiency. Thing is, I can't seem to find many clear examples in other languages. The best one so far has been this, but his variable names aren't very clear. If anyone recognizes the function optval3(underlying, strike, t_exp, t=0, put=False) and can explain what the t_exp and t inputs mean, along with the function overall, I'd really appreciate it.

submitted by tonythegoose to algotrading [link] [comments]
submitted by Captnsparklz to financestudents [link] [comments] |

Im about to program an options price calculator on vba using the CRR model, but one some books you are give a certain volatility (sigma) but in some other they give you the expected prices at the end of the period (using u and d)

My question is how do i get the volatility(sigma) using u and d?

I have found it but is using the Black Scholes formula for it, but how do i get it using the binomial model?

submitted by minibeto666 to quant [link] [comments]
My question is how do i get the volatility(sigma) using u and d?

I have found it but is using the Black Scholes formula for it, but how do i get it using the binomial model?

If you are a beginner and are looking for the best-understood and easiest-to-use binomial option pricing calculator, then submitted by marketxlss to u/marketxlss [link] [comments] MarketXLS is the best and most accurate option for you. Our binomial option pricing models Excel is helpful for investors to easily evaluate stock options. Visit the website and learn more. Binomial Option Pricing Calculator - MarketXLS |

I am currently trying to implement the binomial option pricing model and came across the expression that p = e^((rt/n)-s)/(u-d) in various pseudocodes. However, in reputed textbooks like Paul Wilmott there is no mention of this at all. Could someone please explain how we arrive at the expression?

submitted by rick__sorkin to algotrading [link] [comments]
It seems every explanation of binomial pricing uses a visual representation of a unidirectional graph, there's no straightforward mathematical formula for describing how it works.

Does anyone know why? What's so unique about this calculation that it seems to have no real classic standard represenation as an ODE or PDE?

NOTE: I don't know anything at all about stocks or options and the highest math class I took was differential equations which I'm not sure is high enough for this.

submitted by Throaway20113 to stocks [link] [comments]
Does anyone know why? What's so unique about this calculation that it seems to have no real classic standard represenation as an ODE or PDE?

NOTE: I don't know anything at all about stocks or options and the highest math class I took was differential equations which I'm not sure is high enough for this.

Good Day all. I am a novice option enthusiast wanting to take my knowledge of options to the next level. I am currently reading Option Volatility And Pricing and am having great fun doing so.

In short : is the Black Scholes Model appropriate for pricing american options if not which model should i use

For more context : I want to build a pricing model in excel and start playing with how different inputs affect the theoretical price of the option. Now i know the Black Scholes Model is (correct me if im wrong) is the most widely used option pricing model and i want to set out to build one.

However i am also aware that Black Scholes is only used to price European style options and i would be better off using the Binomial Model for american style options. I have also heard conflicting arguments that the Black Scholes Model can be used for pricing american options too and many traders do use the Black Scholes Model for american options.

I have also heard that certain modifications can be made to the Black Scholes to make it appropriate for american options.

submitted by SkandiBruh to options [link] [comments]
In short : is the Black Scholes Model appropriate for pricing american options if not which model should i use

For more context : I want to build a pricing model in excel and start playing with how different inputs affect the theoretical price of the option. Now i know the Black Scholes Model is (correct me if im wrong) is the most widely used option pricing model and i want to set out to build one.

However i am also aware that Black Scholes is only used to price European style options and i would be better off using the Binomial Model for american style options. I have also heard conflicting arguments that the Black Scholes Model can be used for pricing american options too and many traders do use the Black Scholes Model for american options.

I have also heard that certain modifications can be made to the Black Scholes to make it appropriate for american options.

submitted by Competitive-Guava695 to u/Competitive-Guava695 [link] [comments] |

Hi all,

I've been using Mark Meldrum's platform to prepare for the exam and it has been great so far.

However, recently I decided to also go over the readings from the CFA learning platform. I noticed that in the CFA material, there isn't a LOS for the Binomial model, which Mark goes through in his basics of derivative pricing and valuation reading.

Could you help me understand are there any questions about this LOS in the level 1 exam?

submitted by Br00dlord to CFA [link] [comments]
I've been using Mark Meldrum's platform to prepare for the exam and it has been great so far.

However, recently I decided to also go over the readings from the CFA learning platform. I noticed that in the CFA material, there isn't a LOS for the Binomial model, which Mark goes through in his basics of derivative pricing and valuation reading.

Could you help me understand are there any questions about this LOS in the level 1 exam?

For those who knew it, can you explain why it go up in pricing with formula e^sigma(sqrt(t)) and going down with e^-sigma(sqrt(t))

Thank You for your help.

submitted by oceanwing13 to Baruch [link] [comments]

Thank You for your help.

Hoping somebody may be able to help me understand this a little better.

I'm comfortable valuing call options using the tree, calculating pi and delta - all that good stuff.

I know if we're valuing put options the tree remains the same, but i'm unsure about calculating delta for a put.

Is the formula is still:

[P(+) - P(-)] / [S(+) - S(-)]

but is P(+) the lower arm of the tree? ie. where the put would have the higher value? or is it the same as calls where the (+) is indicative of an upward move in the tree?

Thank you for the help!

submitted by fuck_those_raiders to CFA [link] [comments]
I'm comfortable valuing call options using the tree, calculating pi and delta - all that good stuff.

I know if we're valuing put options the tree remains the same, but i'm unsure about calculating delta for a put.

Is the formula is still:

[P(+) - P(-)] / [S(+) - S(-)]

but is P(+) the lower arm of the tree? ie. where the put would have the higher value? or is it the same as calls where the (+) is indicative of an upward move in the tree?

Thank you for the help!

This might be too tough of an academic question. For a 2 period American model, if So = current stock price, and X = strike/exercise price, then would payoff be: buying a call option = (So - X) ? buying a put option = (X - So) ? writing a call option = (X - So) ? writing a put option = (So - X) ?

I am wondering if these formulas are true for Investment option pricing models. Thanks

submitted by c5Gramsey to personalfinance [link] [comments]
I am wondering if these formulas are true for Investment option pricing models. Thanks

I am not a smart man. I'm currently reading a financial mathematics/derivatives markets book and getting a little lost in the equations. I understood the concepts on my own but I'd like to deeply understand them.

I'm looking for academic textbooks for financial mathematics/derivatives books that approach the concepts in an introductory simplified way.

The book doesn't do a good job of explaining the concepts and math of binomial option pricing and I was wondering if there are better introductory books for this sort of thing that delve into the math and the intuitive concepts a little more, particularly the binomial option pricing. As far as I know the most recommended books for derivatives are hull and McDonald. I currently am reading the mcdonald book, which I'm not too happy with.

Thanks.

Edit: title was tongue in cheek guys

submitted by finstudentz to finance [link] [comments]
I'm looking for academic textbooks for financial mathematics/derivatives books that approach the concepts in an introductory simplified way.

The book doesn't do a good job of explaining the concepts and math of binomial option pricing and I was wondering if there are better introductory books for this sort of thing that delve into the math and the intuitive concepts a little more, particularly the binomial option pricing. As far as I know the most recommended books for derivatives are hull and McDonald. I currently am reading the mcdonald book, which I'm not too happy with.

Thanks.

Edit: title was tongue in cheek guys

submitted by iTziSteal to binaryoptions [link] [comments] |

submitted by emadbably to OptionsInvestopedia [link] [comments] |

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