THE:Index/ Exchange Rate Calculation_HAN

Theindexpriceiscalculatedbasedontheweightedaverageofthelatesttransactionpricesfrommultipleexchanges.

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

Sampledatasampling:getthelatestpriceoftheexchangesinthetablethroughAPIevery6seconds(basedontheindexupdateinterval).

本周綠地元宇宙指數G-Meta Index跑輸滬深300:金色財經報道，本周綠地元宇宙指數G-Meta Index最高4294.2點，周五收于4242.5點，較上周五下跌1.97%；同期滬深300下跌0.09%、創業板指數下跌0.70%。本周一至周四，綠地元宇宙指數連續下跌到達近期低點，周五受游戲、傳媒、AI概念拉動出現明顯反彈，全周跑輸滬深300，相對收益為-1.88%。[2023/4/30 14:35:24]

Denominationcurrency:Ifthedenominationcurrencyofanexchangeisdifferentfromthedenominationcurrencyofatradingpair,thedenominationcurrencyoftheexchangewillbeconvertedintothedenominationcurrencyoftheindexpriceaccordingtotheexchangerate.

Findora（FRA）正式上線主網錢包:近日，眾多交易所發布上線FRA（Finodra）的公告，據Findora官方申明，目前只公布了與比特兒（Gate.io）的合作。 FRA是主網原生通證，Findora 表示并未和其他任何交易所進行技術對接，請自行注意風險。

據悉，Findora已于4月5日北京時間12:15PM 正式上線其主網錢包，此次發布的錢包版本可支持創建主網錢包地址、隱私轉賬、查看歷史轉賬記錄、并可創建其他資產。[2021/4/5 19:46:26]

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

動態 | 印度公司Bitcoin India Software Services Ltd涉嫌欺詐:印度公司事務部下屬的公司注冊處（ROC）向安得拉邦的Bitcoin India Software Services Ltd發出通知，此前有大規模投訴稱，該公司從投資者那里籌集20多億盧比并欺騙他們。該公司董事Sykam Ramakrishna Reddy和Sykam Sreemannarayana Reddy也收到通知，要求他們提交資產負債表、損益表以及審計報告。（Times of India）[2019/8/13]

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

分析 | CoinDesk報告：二季度加密貨幣行情低迷 而以太坊挖礦收入不減反增:據Coindesk25日公布的區塊鏈報告顯示，今年二季度加密貨幣交易量普遍遭遇兩位數下跌，但以太坊挖礦收入猛增。報告顯示，二季度比特幣交易量價均跌26%，挖礦收入和費用分別下跌22%和19%，當季以太坊交易量下跌37%，挖礦收入增長22%，相當于礦工收入增加逾11億美元，只比比特幣當季挖礦收入少3億美元。報告還顯示，區塊鏈領域獲得的投資繼續增加，今年一季度和二季度發行Token平均融資規模分別為3100萬美元和3900萬美元，去年四季度只有1600萬美元。不過發行Token融資額大增主要受到大項目發行推動。公開消息稱，一季度Telegram融資17億美元，EOS二季度融資42億美元。[2018/7/26]

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

CoinDesk調查數據顯示：2018年Q1熊市未影響市場情緒，79%的人認為熊市是短暫的:繼上個季度比特幣的價格曾創下近2萬美元的歷史新高后，2018年第一季度跌幅達51%。加密市場其他基本指標（如交易量，交易數量和成交量）也有類似下降。山寨幣跟隨比特幣下跌而下跌，相關系數為0.7—0.9不等。整個加密貨幣市場市值損失約3480億美元。糟糕的數據并未影響整體市場情緒，據CoinDesk調查數據顯示，79%的受訪者認為熊市是短暫的，86%的受訪者表示此次下跌是對前一季度過度投機行為的一次修正，62%的受訪者認為監管對此次下跌負有一定的責任。[2018/5/15]

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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