THE:Index/ Exchange Rate Calculation

Theindexpriceiscalculatedbasedontheweightedaverageofthelatesttransactionpricesfrommultipleexchanges.

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

Sampledatasampling:getthelatestpriceoftheexchangesinthetablethroughAPIevery6seconds(basedontheindexupdateinterval).

加密货币指数协议Index Coop计划推出以太坊质押代币指数代币dsETH:9月17日消息，加密货币指数协议Index Coop产品团队在社区发布提案，建议推出以太坊质押代币指数代币dsETH，让用户降低选择成本。dsETH将由44.1%的rETH、29.6%的stETH以及26.3%的sETH2组成，并将基于Balancer发行。[2022/9/17 7:02:29]

Denominationcurrency:Ifthedenominationcurrencyofanexchangeisdifferentfromthedenominationcurrencyofatradingpair,thedenominationcurrencyoftheexchangewillbeconvertedintothedenominationcurrencyoftheindexpriceaccordingtotheexchangerate.

动态 | 港交所董事总经理Cindy Chen离职 曾负责区块链相关业务:港交所董事总经理Cindy Chen已离开了公司。Chen于去年12月加入港交所，负责交易后业务发展，其在发给彭博社的短信中证实了自己的离职，但拒绝就自己的下一步动向置评。据悉，在港交所就职时，其职责包括帮助港交所建立一个基于区块链的结算系统，使国际投资者更容易交易中国上市股票。（彭博社）[2019/11/9]

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

分析 | Coindesk分析师：4小时上突破伴随量能放大，可能升至11688美元:Coindesk分析师称，BTC创下自2018年3月6日以来的最高价格，在每日图标上，相对强弱指数RSI为70以上，虽然报告超买但仍远低于5月中旬的高点86。此外，只有当价格显示看涨疲惫的迹象时，RSI的超买才能确认。截至目前，牛市几乎没有显示出放缓的迹象。在4小时图标上，上升通道突破表明反弹将继续。RSI突破了下跌趋势线，打破了看跌背离格局。同时，突破伴随着量能的放大。因此，阻力最小的路径是向上，价格可能升至阻力位2018年3月高点11688美元和2018年2月高点11780美元。[2019/6/25]

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

分析 | CoinDesk分析：BTC价格可能进一步下跌:据CoinDesk分析，BTC昨日跌下6600美元让看涨趋势调整为中性。日图中，若下破三角形走势则可能重新测试6月份低位（5755美元）。月图中5月EMA和10月EMA的交叉预示着BTC很可能会跌下6265美元。[2018/9/25]

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

Coindesk分析师：BTC回归下跌 面临再次变盘:Coindesk分析师认为，自12日以来，BTC开启下跌模式，今早险跌破8000美元（低点8089美元）。在突破下行趋势线阻力位未果后，8100美元将成为短期均线（5日和10日）强支撑位，此为利空依据。10日均线从上方穿越100日均线（空头交叉），而RSI也偏下（低于50.00并下跌）。4小时图来看，自5月5日高点9990美元的抛售已恢复，并可能下跌至7524美元（根据实测高度法计算）。如果收盘低于50日均线（8287美元），则表明将开始一段新跌，可能引发更深的抛售至7800美元。BTC可能将在7787美元（从4月1日低点到5月5日高点的涨势的61.8％斐波那契回撤位）形成支撑位，并且在接下来的24-48小时内可能会低至7524美元（扩大渠道细分目标）。如果突破8884美元将放弃看跌观点。[2018/5/16]

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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