CHA:Index/ Exchange Rate Calculation_Wombat Exchange

Theindexpriceiscalculatedbasedontheweightedaverageofthelatesttransactionpricesfrommultipleexchanges.

Eachoptionscontracthasanindex.Forexample,BTC/USDToptionscontractsuseBTC/USDTindexpricetocalculate.Contractsforthesametokenwithdifferentexpirationdatesusethesameindexprice.Forinstance,BTCweekly,bi-weekly,andquarterlyoptionsalluseBTC/USDTindexprice.

Sampledatasampling:getthelatestpriceoftheexchangesinthetablethroughAPIevery6seconds(basedontheindexupdateinterval).

摩根大通提交IndexGPT商標申請加入人工智能工具競賽:金色財經報道，金融服務業巨頭摩根大通為IndexGPT提交了一份商標申請，標志著其加入了為商業目的建立生成性人工智能工具的競賽。該商標申請于5月11日提交給美國專利和商標局（USPTO），商標名稱為 \"IndexGPT\"，據摩根大通稱，該商標將用于商業。IndexGPT將被用于各個業務部門，包括廣告、商業咨詢和各種以金融為重點的軟件即服務（SAAS）服務等等。[2023/5/27 9:45:49]

Denominationcurrency:Ifthedenominationcurrencyofanexchangeisdifferentfromthedenominationcurrencyofatradingpair,thedenominationcurrencyoftheexchangewillbeconvertedintothedenominationcurrencyoftheindexpriceaccordingtotheexchangerate.

GameFi項目Ninja's World獲得YGG India支持:據推特消息，Ninja's World獲得YGG India的支持。Ninja's World GVG 1.0（Guild vs Guild） 已上線，玩家可以創建自己的公會，派出忍者互相對戰獲得獎勵。公會成員可以出租NFT，參與戰斗獲得獎勵。

據介紹，Ninja's World（忍者世界）是首個整合PVE、PVP、GVG（公會PK）的忍者冒險游戲，玩家可以通過組建自己的忍者小隊，公會在忍者的世界中冒險、對戰，完成日常任務、提升競技場排名以獲取代幣獎勵。公會之間可以相互宣戰，派遣忍者參加公會對戰來獲得獎勵。

YGG India是YGG與Polygon官方在印度成立的組織，目標是發掘推廣優質GameFi項目。[2022/1/23 9:07:47]

ExponentialExceptionHandling

Thepriceofasingleexchangedeviatessignificantlyfromotherexchanges.Solutionsareasbelow：Iftherearemorethan2validexchangeswithintheindices,whenthepriceofacertainexchangedeviatesmorethan±3%fromtheaveragepriceofotherexchanges,forsuchexchange,itspricewillbecalculatedas±3%oftheaveragepriceofotherexchanges:Forexample:Let'ssaytheBTCpriceofXexchangeis518USD,andthepricesofotherexchangesare500,501,502,503,504(USD).Theaveragepriceofotherexchangesis502.5,sothepriceofXexchangedeviatesfromothersby(518-502.5)/502.5=3.08%,whichismorethan3%.Insteadof518USD,systemwilltake502.5*(13%)=517.57asXexchange'sprice.Therefore,thefinalindexwillbe(517.57500501502503504)/6=504.59USD

印度加密平臺CoinDCX在2021年用戶增長近一倍:12月27日消息，印度加密貨幣交易所CoinDCX稱，平臺用戶從2021年初的300萬增加了一倍多，目前達到750萬。其大部分用戶群年齡在18-24歲之間。（economictimes）[2021/12/27 8:07:24]

Ifthereareonly2validexchangesintheindex(thereareonly2exchangesintheindex,orduetomarketlosses,someexchangeswillbetemporarilyexcluded).Ifthepricedeviationobtainedbythetwoplatformsisgreaterthan25%,itisconsideredthatthepricedeviationfromtheindexpricecalculatedlasttimeisnormal,andtheotheronehasanoolongindex.Atthistime,theindexpricetemporarilyanchorstheexchangewiththenormalprice.

Indexed Finance：將NCH、LRC和SUSHI添加至CC10和DeFi5候選池的提案已通過:Indexed Finance在推特上表示，有關將INCH、LRC和SUSHI添加到CC10和DeFi5候選池提案的投票已達到法定人數。這意味著，一旦這些代幣完全稀釋的市值超過指標（indice）中當前任何代幣的市值，它們就有資格進入這些指標。這個過程（稱為重新索引）將在滿足所有條件后每個月在鏈上自動進行一次。注：Indexed Finance是專注于以太坊被動投資組合管理的去中心化協議。[2021/2/10 19:24:42]

Iftheindexpriceisbasedonthepriceofonlyoneexchangeatatime(allotherexchangeshavebeenabnormallyremoved).Ifthedeviationbetweentheobtainedpriceandtheindexpriceobtainedattheprevioustimeisgreaterthan25%,itisconsideredthatthereisanoolongindex,andtheindexpriceistakenfromtheprevioustimeprice.

分析 | CoinDesk：比特幣第四季度將出現看漲突破:據CoinDesk分析，比特幣已連續第二個月出現虧損，但有跡象表明第四季度將出現看漲突破。截至發稿時，比特幣交易價格為6570美元，較9月初的7014美元下跌了6.3％。根據CoinDesk的比特幣價格指數（BPI），比特幣也在8月份下跌了10％。然而，盡管每月連續虧損，比特幣第三季度的漲幅仍然增加了2％。此外，如果美國證券交易委員會（SEC）沒有拒絕比特幣ETF的申請，其季度收益可能會大得多。[2018/10/1]

Exchangemarketdataislost.Solutions：Ifacertainexchangefailstoobtainmarketdataatacertainpointintime(theexchangeisclosed,themarketisinterrupted,oranattackisencountered),thepriceatthatpointintimewillbecalculatedbasedonthelatestvalidpriceobtained.Ifthevaliddataobtainedbyanexchangeinthepast100datapoints(10min)islessthan10points(10%),wewillconsiderthepriceofthisexchangetobeuninstructiveandweightthepriceoftheexchange.Temporarilyadjustedto0.Aftertheexchangerecoversdata,ifatleast90ofthepast100datapointsarevalid(90%),thenwewillrestoretheweightoftheexchange.

Singleexchangepricesdeviatedsignificantlyforalongtime.Solutions：Whenthepriceofanexchangedeviatessignificantlyfromotherexchangesforalongtime,webelievethatthepriceofthatexchangemayloseitsguidingsignificance,andthesampleandweightoftheindexwillbeadjusted.Thespecificadjustmentplanissubjecttotheplatformannouncement.

ExchangeRateCalculation

Theexchangerateforperpetualswapsandoptionscontractsissampledfrom"Huobi",whichissampledeveryminute.

https://api.huobi.pro/general/exchange_rate/list

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