Greeks (finance)
In mathematical finance, the Greeks are the quantities representing the sensitivity of the price of derivatives such as options to a change in underlying parameters on which the value of an instrument or portfolio of financial instruments is dependent. The name is used because the most common of these sensitivities are denoted by Greek letters (as are some other finance measures). Collectively these have also been called the risk sensitivities,risk measures or hedge parameters.
Use of the Greeks
The Greeks are vital tools in risk management. Each Greek measures the sensitivity of the value of a portfolio to a small change in a given underlying parameter, so that component risks may be treated in isolation, and the portfolio rebalanced accordingly to achieve a desired exposure; see for example delta hedging.
The Greeks in the Black–Scholes model are relatively easy to calculate, a desirable property of financial models, and are very useful for derivatives traders, especially those who seek to hedge their portfolios from adverse changes in market conditions. For this reason, those Greeks which are particularly useful for hedging—such as delta, theta, and vega—are well-defined for measuring changes in Price, Time and Volatility. Although rho is a primary input into the Black–Scholes model, the overall impact on the value of an option corresponding to changes in the risk-free interest rate is generally insignificant and therefore higher-order derivatives involving the risk-free interest rate are not common.
Delta Cafés
Delta Cafés (Portuguese pronunciation: [dɛɫtɐ kɐfɛʃ]) is a Portuguese coffee roasting and coffee packaging company headquartered in Campo Maior, Alentejo. The company was founded in 1961 and is among the top market leaders in the Iberian Peninsula. The company belongs to Nabeiro Group, the personal conglomerate of its founder Rui Nabeiro, which include interests on agribusiness, agriculture, real estate, hotels, and other services.
History
Delta Cafés was founded by Rui Nabeiro in 1961 in the town of Campo Maior, Alentejo in a small 50-m² warehouse, which could only handle two 30 kg roasters. In 1998, the Nabeiro/Delta Cafés Group was restructured and gave rise to 22 companies organized into strategic areas, with turnover of approximately €160 million. In the 2000s, it become the market leader for coffee in Portugal, with a market share of 38%. It has 47,000 direct retail clients (among the largest of which is Sonae, a leading Portuguese retailer) and 3,000 employees. Also in the 2007, Delta Cafés launched its own espresso products, Delta Q, based on a proprietary system of single-serving "capsules" containing ground coffee and rooibos, and specialized machines to brew espresso from the contents of the capsules in a similar way to that of Nestlé's Nespresso brand portfolio.
Delta (video game)
Delta is a horizontally scrolling shooter computer game originally released for the Commodore 64 by Thalamus Ltd in 1987. It was programmed by Stavros Fasoulas and the music was written by Rob Hubbard. The menu-music is based on the theme of Koyaanisqatsi by Philip Glass and the in-game-music is based on Pink Floyd's On the Run. The game was also released for the ZX Spectrum in 1990 as Delta Charge.
The game was released as Delta Patrol in the United States by Electronic Arts for its Amazing Software line of action-oriented software programs, in 1987 on the Commodore 64.
The player controls a spaceship and gains power-up points by destroying formations of enemies. Some enemy formations instead subtract power-up points for the player, so the player must take note of which formations to destroy. Periodically blocks containing the power-ups (higher speed, faster rate of fire) appear and the player can pick one of them up: The more points the player has collected, the more powerful are the power-ups that can be chosen. Unavailable power-ups are gray and kill the player if he flies into them, making them part of the obstacles in the game. The effects of the power-ups are lost over time and must therefore be regained. The player gets a choice between in-game music or in-game sound effects. There is also a high score table but no way to save it when the game is turned off.
Podcasts:
Delta
ALBUMS
- Collected released:
Delta
ALBUMS
- Angels & Insects released: 2002
Angels & Insects
Released 2002- Buggin'
- Instrumental
- An Angel's Entomology
- A&I (feat. Vordul and Vast Aire)
- Mosquito Bit
- Instrumental
- Bad Karma
- Instrumental
- Wing Split (feat. Eudai)
- Instrumental
- Wings Earned (feat. Manifest, Inkwell and Illogic)
- The Angel and the Insect (feat. Mojo)
- Instrumental
- 32 Perspectives (feat. Cryptic One and Wind-n-Breeze)
- Instrumental
delta
ALBUMS
- Katawa Shoujo Enigmatic Box of Sound released: 2012
Delta
ALBUMS
- Laughing Mostly released:
- Hardlight released:
delta
ALBUMS
- Apollyon is Free released: 2004
Delta
ALBUMS
Delta
ALBUMS
- Excuse My French, Part 1 released: 2013
- Départements (Best of Départements) released: 2009
- Département 78 released: 2008
- Péril jeune released: 2008
- Hommage released: 2005
- Cut' Killer Show 2 released: 2001
- Première Classe, Volume 1 : Les Sessions released: 1999
Département 78
Released 2008- Hymne de chez nous
- Règlement de compte
- 78 Boyz
- On veut du rap
- Sortir de ce trou
- Bad Men
- Une place là-haut
- On lâche rien
- Haya fines herbes
- OP dans ma zone
- Le MC attendu
- J'avance dans l'ombre
- Force de frappe
- Danger
- Le chant de la violence
- Département 78
- Les bas-fonds de Mantes
- Secteur en deuil
- Réforme
Cut' Killer Show 2
Released 2001- Intro
- Clair et net
- All Good
- Ante Up
- Le Baroufle
- Ruste Juxx
- Une minute
- Invincible
- Tire une taffe et décolle
- Oochie Wally
- Ça m'blesse
- Juste un intermède
- Shake Ya Ass
- Real Party
- Rohff-Thriller
- Raw
- Ol' Kainry sait...
- We Like
- Boom
- Opérationnel
- Protect Ya Neck (The Jump Off)
- FF
- Le Retour du Squad
- Sages Poètes
- Diamant
- Il pleut sur ma ville
- Derrière la souffrance
- À tous les quartiers
Première Classe, Volume 1 : Les Sessions
Released 1999- Embarquement (intro)
- On fait les choses
- Atmosphère suspecte
- La Vie
- Nos cœurs saignent
- Animalement vôtre
- J'ai déjà mal
- Première trace
- C'est quoi le dièse ?
- L'Art de la guerre
- Paraît qu't'es hardcore
- 24 heures
- Compte avec moi
- Même pas 20 piges
- Le métier rentre
- La vérité blesse
- Nautilus : Black December
- Débarquement (outro)
Delta
ALBUMS
- Hospital Prescriptions, Volume One released: 2006
- Move Me / Switch / Can't Wait / Shine On released: 2002
- Hospital Mix: Drum + Bass Selection released: 2002
- Plastic Surgery 3 released: 2002
- Submerged / Roots released: 2001
- Techno: A New Dimension released: 2000
- Electrophunk Two released: 1999
- Essential Techno released: 1998
- This Is... Techno 2 released: 1997
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by Crosby, Stills, Nash & Young
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by Love Spirals Downwards
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by Cpr
Over And Over Again
by: DeltaLook into my eyes
Through my disguise, please enter
[please come in]
Not a castle, nor gold
Look how my honour keeps fading
[fading]
Running away
From the end of the road
I'm screaming [screaming]
Calling out your name
Promises being forsaken [forsaken]
What am I waiting for?
Look what I have done...
Because I'm meant to lie
Because my soul will die
There's no salvation
This is my ending
Because I've lost your trust
Our dreams turned into dust
My word is worthless
Alone and hopeless
Lost and senseless
Come and play again!
Crying out loud
My mind ask now for forgiveness
I made up my mind
I'm gonna burn all this nonsense
See hell in yourself
The pain from what I've created
From tears and laments
You sorrow needs to be ended
Look what I have done...
Because I'm meant to lie
Because my soul will die
There's no salvation
This is my ending
Because I've lost your trust
Our dreams turned into dust
My word is worthless
Alone and hopeless
Because you wanna try
Because you think I can
I'm gonna make it
I'm gonna face it
I'm living on my own
Until the final dawn
Leave all resentment
There's no replacement
Doubts are fading
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