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borza - market order, limit order

borza - market order, limit order

slovencl ::

Pozdravljeni,

Mal raziskujem kako deluje kripto menjalnica, in sem si naložu eno aplikacijo, da spremljam posle (Trades) na krakenu (konkretno za usd/eth par).

Ne znam si dobro razložit teh rezultatov - fromat je ["cena","količina",timestamp,"buy/sell","limit/market",""].

Pričakoval sem izpis, kjer bodo samo market orderji. Oz če že bodo limit orderji, potem bi se morali po količini ujemat z market orderji. Se pravi, pričakoval sem da bodo npr. za buy market order 1ETH tam trije sell limit ordeji za 0,3 0,3 in 0,4 ETH. Pa temu ni tako (vsaj glede na podatke).


Primer izpisa:
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slovencl ::

A res noben ne ve :/

kow ::

"pričakoval sem da bodo npr. za buy market order 1ETH tam trije sell limit ordeji za 0,3 0,3 in 0,4 ETH. Pa temu ni tako (vsaj glede na podatke).

Zakaj si to pricakoval? Ne razumem. Ce zelim kupiti banane po 1e, zakaj bi pricakoval, da se bo pojavil nekdo, ki jih hoce prodajati po 7e?

Zgodovina sprememb…

  • spremenil: kow ()

residual ::

"pričakoval sem da bodo npr. za buy market order 1ETH tam trije sell limit ordeji za 0,3 0,3 in 0,4 ETH. Pa temu ni tako (vsaj glede na podatke).

Po tej logiki, bi bila vrednost konstantna, ker pa je razmerje oz. stevilo buy in sell orderjev različno pa se cena na marketu spreminja, magari minimalno...
č

slovencl ::

Mislil sem na količino: nekdo hoče kupit 1 ETH, prvi trije najvenejši pa prodajajo 0,3 0,3 in 0,4 ETH, kar skupaj znese 1 ETH.

Zdej pa če mal seštevam cifre spodaj, pa količine ne gredo skupaj.

Zgodovina sprememb…

  • spremenil: slovencl ()

slovencl ::

Ceno spreminjajo samo market orderji. Ce das market buy order, bo ta "pojedel" nekaj limit sell orderjev in cena bo sla gor.

Ampak kolicinsko se mora ujemat.

Če bi vsi dajali samo limit orderje, potem se cena nebi nikamor premaknila.

Zgodovina sprememb…

  • spremenil: slovencl ()

ViperR ::

Ne rabi se ujemat. Ti mas lahko limit order za 100 enot, nekdo ti market sella 1 enoto in ti si potem premislis in order umaknes.

kow ::

"Ceno spreminjajo samo market orderji. Ce das market buy order, bo ta "pojedel" nekaj limit sell orderjev in cena bo sla gor."
Tehnicno to ne drzi (vedno). Definicija cene je tehnicno cena zadnje transakcije. Cena bo sla gor, samo ce bo pojedel vse limit sell orderje pri ceni zadnje transakcije.

"Ampak kolicinsko se mora ujemat."
Smo ti ze veckrat povedali, da se ne rabi ujemati:
Orderji se kolicinsko ne rabijo ujemati -> order je samo zabelezena tvoja zelja po kolicini po neki ceni: transakcija se bo izvrsila SAMO v primeru, da je nekdo na drugi strani, ki je pripravljen prodati/kupiti po isti ceni.
Danes sem pripravljen kupiti milijardo sodckov nafte po ceni 1c/sodcek. To se ne pomeni, da se bo "magicno" pojavil ponudnik z orderjem pri tej ali katerikoli drugi ceni. Tak order se itak ne bo nikoli spremenil v dejansko transakcijo in bo "neskoncno" casa v order booku.

"Če bi vsi dajali samo limit orderje, potem se cena nebi nikamor premaknila."
Ne drzi. Nihce ti ne omejuje, da nastavis buy limit orderja pri ceni najnizjega sell limit orderja. Je pa lazje samo stisniti market buy, ki avtomatsko nastavi cene zate. Market buy je samo optimizacija za uporabnika, da ne rabi vpisovati stevilk.
No, je se aspekt hitro se spreminjajocih orderbookov pri zelo likvidnih trgih. Vmes, ko bi vpisoval narocilo, bi lahko nekdo ze ponudil nizjo ceno, zato imas opcijo 'market buy', kjer vneses samo kolicino. Ce se zatipkas pri kolicini in ni dodatnih varovalk, lahko hitro naredis drago napako.

Zgodovina sprememb…

  • spremenil: kow ()

slovencl ::

Nekaj ne štima tukaj:
1. Se strinjam - če je market buy order premajhen in ne "poje" v celoti limit sell orderja, potem se cena ne bo spremenila, ampak to je izjema. Sicer pa ceno spreminjajo market orderji.
2. To je izpisek Tradeov, lahko izpišem tud Depth, kjer bo pokazalo orderje v nekem trenutku in ceno orderjev. Tako da to ni to kar praviš. Tudi če pogledaš cene izvedenih Tradeov lahko vidiš, da si lepo sledijo, mal gor, mal dol. Tako kot potuje cena na borzi.
3. Če daš ti limit buy order nad tržno vrednost, se bo avtomatsko spremenil v market order in "pojedel" prvi/najcenejši limit sell order. Ne bo ti kupil delnice po ceni višji od tiste na borzi od nekega limit sell orderja pri višji ceni. Tako da to ne deluje tako kot si ti predstavljaš, tako da ne moreš naredit take napake ki te bo drago stala - kar poskusi z neko malo količino.
4. Če pogledaš ta izpisek tradeov ki sem ga prilepil: večina je limit orderjev - misliš da 3/4 ljudi na borzi naredi napako in da limit buy order nad tržno vrednostjo oz. limit sell order pod tržno vrednostjo - dvomim.

Tako da še vedno iščem odgovor, če ga kdo pozna.

Zgodovina sprememb…

  • spremenil: slovencl ()

kow ::

Ce te prav razumem, torej trdis, da si podal samo seznam dejanskih izvedenih tradeov (vseh uporabnikov)? Si preprican, da to niso damo order book entrieji?

Zgodovina sprememb…

  • spremenil: kow ()

slovencl ::

Ja, sem prepričan. Order book izgleda takole. Imaš lepo po ceni in količino.

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Zgodovina sprememb…

  • spremenil: slovencl ()

slovencl ::

Jaz bi rekel, da se limit orderji sprožijo, ker borza sama dela arbitražo med drugimi borzami. Borza sama premakne ceno in sproži limit orderje, kojne pa proda na drugo borzo?


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