Also known as: 上证50 · SSE50 Index (Bloomberg) · 000016 (CSI code) · .SSE50 (RIC)
At a glance
- Review frequencySemi-annual
- Constituent count50
- Buffer40 / 60
| Field | Value | Source text | Reading (model) |
|---|---|---|---|
| M1 Identity, objective, classification · 15 fields | |||
| Target constituent count | 50 securities | 挑选上海证券市场规模大、流动性好的最具代表性的50 只证券作为样本Open p.1 ↗ |
The index selects 50 representative securities. |
| Local short name | 上证50 | 指数名称：上证50 指数指数简称：上证50英文名称：SSE 50 Index英文简称：SSE 50指数代码：000016Open p.1 ↗ |
The local-language short name is 上证50. |
| Index name | SSE 50 Index | 指数名称：上证50 指数指数简称：上证50英文名称：SSE 50 Index英文简称：SSE 50指数代码：000016Open p.1 ↗ |
The official English index name is SSE 50 Index. |
| Index short name | SSE 50 | 指数名称：上证50 指数指数简称：上证50英文名称：SSE 50 Index英文简称：SSE 50指数代码：000016Open p.1 ↗ |
The English short name is SSE 50. |
| Local index name | 上证50 指数 | 指数名称：上证50 指数指数简称：上证50英文名称：SSE 50 Index英文简称：SSE 50指数代码：000016Open p.1 ↗ |
The local-language index name is 上证50 指数. |
| Index code | 000016 | 指数名称：上证50 指数指数简称：上证50英文名称：SSE 50 Index英文简称：SSE 50指数代码：000016Open p.1 ↗ |
The index code is 000016. |
| Administrator | 中证指数有限公司 | 上证50 指数以上证180 指数样本为样本空间，挑选上海证券市场规模大、流动性好的最具代表性的50 只证券作为样本，综合反映上海证券市场最具市场影响力的一批龙头企业的整体表现。Open p.1 ↗ |
The document is a CSI index methodology, indicating CSI is the index provider. |
| Index family | 上证50 | 上证50 指数编制方案Open p.1 ↗ |
The index family identified by the document is SSE 50. |
| Parent index | 上证180 指数 | 上证50 指数以上证180 指数样本为样本空间，挑选上海证券市场规模大、流动性好的最具代表性的50 只证券作为样本Open p.1 ↗ |
The index draws its sample space from the SSE 180 Index constituents. |
| Base date | 2003-12-31 | 该指数以2003 年12 月31 日为基日，以1000 点为基点。Open p.1 ↗ |
The index base date is December 31, 2003. |
| Base value | 1,000 points | 该指数以2003 年12 月31 日为基日，以1000 点为基点。Open p.1 ↗ |
The index base value is 1000 points. |
| Objective | 综合反映上海证券市场最具市场影响力的一批龙头企业的整体表现。 | 上证50 指数以上证180 指数样本为样本空间，挑选上海证券市场规模大、流动性好的最具代表性的50 只证券作为样本，综合反映上海证券市场最具市场影响力的一批龙头企业的整体表现。Open p.1 ↗ |
The index comprehensively reflects the overall performance of leading enterprises with the greatest market influence in the Shanghai securities market. |
| Market classification | China A | 挑选上海证券市场规模大、流动性好的最具代表性的50 只证券作为样本Open p.1 ↗ |
The index covers the Shanghai securities market, indicating China A-shares. |
| Size segment | Large | 挑选上海证券市场规模大、流动性好的最具代表性的50 只证券作为样本Open p.1 ↗ |
The index selects large and liquid securities, corresponding to the large-cap segment. |
| Index family type | Market cap | 挑选上海证券市场规模大、流动性好的最具代表性的50 只证券作为样本Open p.1 ↗ |
The index is a market-cap-oriented representative index selecting large securities. |
| M2 Universe · 5 fields | |||
| Eligible universe | SSE 180 Index constituents | 上证180 指数样本Open p.1 ↗ |
The eligible universe is the constituents of the SSE 180 Index. |
| Markets | Shanghai | 挑选上海证券市场规模大、流动性好的最具代表性的50 只证券作为样本Open p.1 ↗ |
The universe is for the Shanghai securities market. |
| Exchanges | 上海证券交易所 | 挑选上海证券市场规模大、流动性好的最具代表性的50 只证券作为样本Open p.1 ↗ |
The index covers securities listed on the Shanghai Stock Exchange. |
| Security types | A share | 挑选上海证券市场规模大、流动性好的最具代表性的50 只证券作为样本Open p.1 ↗ |
The index uses securities from the Shanghai A-share market. |
| Parent universe index | 上证180 指数 | 上证180 指数样本Open p.1 ↗ |
The sample universe consists of SSE 180 Index constituents. |
| M3 Eligibility screens · 1 field | |||
| Selection criteria | Large size, Good liquidity, Representative | 挑选上海证券市场规模大、流动性好的最具代表性的50 只证券作为样本Open p.1 ↗ |
The index chooses the 50 most representative securities with large size and good liquidity. |
| M4 Selection and constituent count · 3 fields | |||
| Selection method | Rank by metric | 对样本空间内的证券按照过去一年的日均总市值、日均成交金额进行综合排名，选取排名前50 位的证券组成样本。Open p.1 ↗ |
Securities are selected by a composite ranking of eligible sample-space securities. |
| Ranking metrics | Name: Average daily total market capitalization; Window: Past one year; Direction: Descending; Step order: 1, Name: Average daily turnover; Window: Past one year; Direction: Descending; Step order: 1 | 对样本空间内的证券按照过去一年的日均总市值、日均成交金额进行综合排名，选取排名前50 位的证券组成样本。Open p.1 ↗ |
Eligible securities are comprehensively ranked by their average daily total market capitalization and average daily turnover over the past year. |
| Target constituent count | 50 | 选取排名前50 位的证券组成样本。Open p.1 ↗ |
The index selects the 50 highest-ranked securities as constituents. |
| M5 Weighting and capping · 3 fields | |||
| Free float factor | Method: Banded; Bands: To: 15; Method: Round the free-float ratio up to the nearest whole percentage value, From: 15; To: 20; Factor: 0.2, From: 20; To: 30; Factor: 0.3, From: 30; To: 40; Factor: 0.4, From: 40; To: 50; Factor: 0.5, From: 50; To: 60; Factor: 0.6, From: 60; To: 70; Factor: 0.7, From: 70; To: 80; Factor: 0.8, From: 80; Factor: 1; Examples: Security: A; Free float ratio (%): 9; Weighting ratio (%): 9; Adjusted shares: 9,000, Security: B; Free float ratio (%): 43.8; Weighting ratio (%): 50; Adjusted shares: 4,000, Security: C; Free float ratio (%): 82; Weighting ratio (%): 100; Adjusted shares: 5,000 | 除非特别说明，中证指数在计算自由流通股本时，采用分级靠档的方法，根据自由流通量所占证券总股本的比例（即自由流通比例）赋予证券总股本一定的加权比例From CSI Free Float Rules for Equity Indices ↗ |
Unless otherwise specified, a banded weighting factor is applied; free-float ratios up to 15% are rounded up to the nearest whole percentage, while higher bands use fixed factors from 20% to 100%. |
| Shares outstanding | Total issued shares of the security; free-float-adjusted share capital is total share capital multiplied by the banded weighting factor. | 自由流通量等于证券总股本剔除限售股份以及以下基本不流通的股份From CSI Free Float Rules for Equity Indices ↗ |
Free float is measured against the security's total share capital, and adjusted share capital is calculated using a weighting factor applied to total share capital. |
| Divisor adjustment rule | The new divisor equals the prior divisor multiplied by the post-adjustment adjusted market capitalization divided by the pre-adjustment adjusted market capitalization, calculated after the close before the change becomes effective. | 为保证指数的连续性，当指数样本、股本结构发生变化或样本的市值出现非交易因素的变动时，指数在变动生效日前一日收盘后采用除数修正法修正原除数。From CSI Calculation Rules for Equity Indices ↗ |
The divisor is corrected after the close before the effective date so that the new divisor equals the old divisor times the ratio of adjusted post-change market value to pre-change market value. |
| M6 Review and rebalance schedule · 5 fields | |||
| Review frequency | Semi-annual | 指数样本每半年调整一次，样本调整实施时间分别为每年6 月和12 月的第二个星期五的下一交易日。Open p.2 ↗ |
The index constituents are reviewed once every six months. |
| Review types | Semi annual review, Ad hoc | 指数样本每半年调整一次，样本调整实施时间分别为每年6 月和12 月的第二个星期五的下一交易日。Open p.2 ↗ |
The index is subject to semiannual scheduled reviews and special ad hoc adjustments. |
| Review months | 6, 12 | 指数样本每半年调整一次，样本调整实施时间分别为每年6 月和12 月的第二个星期五的下一交易日。Open p.2 ↗ |
Scheduled sample changes are implemented in June and December. |
| Effective date rule | The next trading day after the second Friday of June and December. | 指数样本每半年调整一次，样本调整实施时间分别为每年6 月和12 月的第二个星期五的下一交易日。Open p.2 ↗ |
Scheduled constituent changes take effect on the next trading day after the second Friday in June and December. |
| Data cutoff rule | For commonly used periodic review cycles, the general data cutoff is normally the last calendar day of the second calendar month before the periodic adjustment effective date. | 通常情况下适用常用定期调整周期的指数的通用数据截止日为定期调整生效日前第二个自然月的最后一个自然日。From CSI Constituent Adjustment Rules for Equity Indices ↗ |
For commonly used review cycles, base data generally use the last calendar day of the second natural month before the adjustment effective date as the cutoff. |
| M7 Buffers and turnover control · 2 fields | |||
| Buffer zone | Entry rank: 40; Exit rank: 60 | 定期调整设置缓冲区，排名在40 名之前的新样本优先进入，排名在60 名之前的老样本优先保留。Open p.2 ↗ |
A buffer gives priority entry to new candidates ranked before 40th and priority retention to existing constituents ranked before 60th. |
| Maximum turnover per review | 10% of constituents | 每次调整的样本比例一般不超过10%，定期调整设置缓冲区Open p.2 ↗ |
The proportion of constituents changed in each scheduled review generally does not exceed 10%. |
| M8 Corporate actions, IPOs, ad-hoc changes · 8 fields | |||
| Fast entry market capitalization formula | issued total market capitalization = issue price × total shares outstanding | 对新发行证券的发行总市值（总市值=发行价×总股本）和沪市证券自该新发行证券上市公告日起过去一年的日均总市值进行比较Open p.2 ↗ |
For fast-entry evaluation, issued total market capitalization is calculated as issue price multiplied by total share capital. |
| Fast entry comparison metric | Compares the new security's issued total market capitalization with the one-year average daily total market capitalization of Shanghai securities measured from the new security's listing announcement date. | 和沪市证券自该新发行证券上市公告日起过去一年的日均总市值进行比较，对于符合样本空间条件、且发行总市值排名在沪市市场前 10 位的新发行证券Open p.2 ↗ |
The new security's issued total market capitalization is compared with the past-year average daily total market capitalization of Shanghai securities starting from the listing announcement date. |
| Fast entry | Size threshold: issued total market capitalization ranked in the top 10 of the Shanghai securities market; must satisfy sample-space conditions; Timing: included after the close of the tenth trading day after listing; Excluded boards: STAR Market | 对于符合样本空间条件、且发行总市值排名在沪市市场前 10 位的新发行证券，启用快速进入指数规则，即在其上市第十个交易日结束后将其纳入指数Open p.2 ↗ |
A newly issued security meeting sample-space conditions and ranking among the top 10 by issued total market capitalization in Shanghai may enter quickly after the close of its tenth trading day, but STAR Market securities are excluded. |
| Ad-hoc deletion | Delisting, Acquisition, Other | 当样本退市时，将其从指数样本中剔除。样本公司发生收购、合并、分拆等情形的处理，参照计算与维护细则处理。Open p.2 ↗ |
A constituent is removed ad hoc upon delisting, while acquisitions, mergers and spin-offs are handled under the calculation and maintenance rules; fast entry also displaces the lowest-ranked existing constituent. |
| Replacement policy | Next review | 同时剔除原样本中过去一年日均总市值、成交金额综合排名最末的证券，科创板上市证券不适用该规则。Open p.2 ↗ |
When a fast-entry security is added, the existing constituent with the worst composite ranking by one-year average daily total market capitalization and turnover is removed; no reserve list is specified. |
| Merger spinoff rules | Acquisitions, mergers and spin-offs are handled by reference to the index calculation and maintenance rules. | 样本公司发生收购、合并、分拆等情形的处理，参照计算与维护细则处理。Open p.2 ↗ |
Treatment of constituent acquisitions, mergers and spin-offs follows the separate calculation and maintenance rules. |
| Corporate actions guide ref | 计算与维护细则 | 样本公司发生收购、合并、分拆等情形的处理，参照计算与维护细则处理。Open p.2 ↗ |
The document refers to the Calculation and Maintenance Rules for corporate-action handling. |
| Deletion price | Default price: latest closing price; Major negative event suspended price: 0.00001; Currency for a share example: CNY | 原则上，以最新收盘价剔除指数样本。当决定剔除指数样本时，剔除证券处于停牌状态且停牌原因为触及交易类强制退市情形等重大负面事件的，一般以系统最低价格（目前为0.00001）剔除。From CSI Constituent Adjustment Rules for Equity Indices ↗ |
Constituents are generally removed at the latest closing price; if a removed security is suspended because of a trading-related mandatory delisting trigger or other major negative event, it is removed at the system minimum price, currently 0.00001. |
| M9 Calculation and return variants · 10 fields | |||
| Adjusted market capitalization formula | adjusted market capitalization = sum(security price × adjusted number of shares) | 调整市值＝∑(证券价格×调整股本数)。调整股本数的计算方法、除数修正方法参见计算与维护细则。Open p.2 ↗ |
Adjusted market capitalisation is the sum of each security's price multiplied by its adjusted share count. |
| Calculation and maintenance rules reference | Calculation and Maintenance Rules | 调整股本数的计算方法、除数修正方法参见计算与维护细则。Open p.2 ↗ |
The methods for calculating adjusted share counts and correcting the divisor are set out in the calculation and maintenance rules. |
| Formula type | Divisor | 指数计算公式为：报告期指数= 报告期样本的调整市值 × 1000除数其中，调整市值＝∑(证券价格×调整股本数)。Open p.2 ↗ |
The index is calculated using an adjusted market capitalisation divided by a divisor and multiplied by 1,000. |
| Price source | Real-time prices come from exchange market-data systems such as SSE and SZSE or from data vendors designated by CSI; the latest trade is used when traded and the opening reference price is used when there is no trade. | 指数的实时计算，样本实时成交价格来自上海证券交易所、深圳证券交易所等交易所行情系统，或来自由中证指数不时指定的数据供应商提供的交易行情。From CSI Calculation Rules for Equity Indices ↗ |
Real-time calculation uses exchange or designated-vendor market prices, taking the latest traded price or, if no trade occurs, the opening reference price. |
| Calculation frequency | Real-time index updates follow the interface definition used by CSI, the exchange, or another third-party market-data system; closing indices are published every index trading day. | 实时指数计算和发布：指数更新频率以中证指数通、交易所或其他第三方行情发布系统接口定义为准。收盘指数计算和发布：指数发布频率为指数交易日每日发布。From CSI Calculation Rules for Equity Indices ↗ |
Real-time indices are updated according to the relevant publication interface, and closing indices are calculated and published on each index trading day. |
| Return variants | PR, GTR, NTR | 价格指数以样本的市场价格，计算指数的表现。为满足投资者的需要，中证指数同时计算部分指数的全收益指数和净收益指数。From CSI Calculation Rules for Equity Indices ↗ |
The rulebook identifies price, gross total return, and net total return indices, with gross and net versions calculated for some indices. |
| Withholding tax basis | A 10% cash-dividend tax rate is generally used for Shanghai, Shenzhen, Beijing, and Hong Kong securities. | 对沪深京港证券，现金分红的税率一般设置为10%。From CSI Calculation Rules for Equity Indices ↗ |
For Shanghai, Shenzhen, Beijing, and Hong Kong securities, the cash-dividend tax rate is generally set at 10%. |
| Dividend treatment | Gross total return indices reinvest pre-tax cash dividends and net total return indices reinvest after-tax cash dividends on the ex-dividend date; the price index does not adjust the divisor for cash dividends. | 全收益指数和净收益指数是价格指数的辅指数，与价格指数的区别在于全收益指数、净收益指数的计算中考虑了样本税前、税后现金红利的再投资收益，不会在样本除息日按照样本分红金额自然回落From CSI Calculation Rules for Equity Indices ↗ |
Gross and net total return indices assume reinvestment of pre-tax and after-tax cash dividends on the ex-dividend date, while the price index falls naturally on cash dividends. |
| Divisor adjustment | Cash dividend for gross and net total return indices, Bonus issue, Rights issue, Stock split, Reverse stock split, Other share changes at or above 5 percent, Accumulated small share changes in semi annual adjustment, Periodic or ad hoc constituent adjustment | 当样本现金分红时，价格指数除数不予修正，任其自然回落。全收益指数、净收益指数在样本除息日前一交易日收盘后修正指数除数。当样本送股、配股、拆股或缩股时，价格指数、全收益指数、净收益指数在样本除权日前一交易日收盘后修正指数除数。From CSI Calculation Rules for Equity Indices ↗ |
Divisor adjustments are triggered by total-return cash dividends, bonus issues, rights issues, splits, reverse splits, qualifying other share changes, scheduled small share-change updates, and constituent adjustments. |
| Recalculation policy | Where recalculation or republication is involved, CSI will promptly notify index clients; in complex cases CSI reserves discretion to recalculate the index or republish related data products. | 公司保留在复杂情况下自行决定重新计算指数或重新发布相关数据产品的权利。涉及指数重新计算或发布的情形，公司将及时向指数客户发布通知。From CSI The Primary Policy of Index Management ↗ |
If an index is recalculated or related data products are republished, CSI will promptly notify index clients, with the decision reserved to CSI in complex situations. |
| M10 Governance, change policy, disclosure · 10 fields | |||
| Oversight body | Index Business Supervisory Committee, Index Expert Committee | 指数业务监督委员会负责定期对指数编制方案审阅工作进行监督。From CSI The Primary Policy of Index Management ↗ |
The Index Business Supervisory Committee supervises methodology review, rule changes, index terminations, and complaint reports; the Index Expert Committee provides recommendations and discusses Category I index terminations. |
| Discretion points | decide whether and how to correct an index error within six months, decide whether to recalculate an index or republish related data products in complex cases, terminate an index after prudent evaluation, consider providing a replacement index when regulatory requirements and feasibility permit, issue emergency notices depending on the impact of a calculation abnormality, use targeted rather than public consultation where appropriate for material changes | 对于六个月以内的指数错误，需综合评估指数错误影响、指数产品情况、距离下次指数调整时间、指数可投资性与可复制性等因素，慎重决定处理方案。From CSI The Primary Policy of Index Management ↗ |
CSI retains discretion over error handling and recalculation, index termination after evaluation, replacement-index considerations, emergency notification based on impact, and consultation format in appropriate cases. |
| Methodology review frequency | periodic internal review | 公司负责根据内部定期审阅、审视市场环境、听取指数专家委员会建议、接受市场反馈、外部投诉等途径对指数规则进行必要的修订。From CSI The Primary Policy of Index Management ↗ |
Index rules are revised based on periodic internal reviews, market developments, expert committee advice, market feedback, and complaints; the review interval is not specified. |
| External review | Material changes: Market opinions must be sought in advance; Category I indices: Public consultation is the principle; targeted consultation may be used with scope commensurate with the index's actual impact; Non Category I indices: Targeted consultation is the principle | 指数规则修订涉及的重大变更应事先征求市场意见。其中，一类指数1的重大变更原则上采用公开征求意见的形式，若采用定向方式的，征求范围应与指数的实际影响相适应；非一类指数的重大变更原则上采用定向征求意见的形式。From CSI The Primary Policy of Index Management ↗ |
Material rule changes require prior market consultation: Category I indices normally use public consultation, while non-Category I indices normally use targeted consultation. |
| Material change definition | Material changes are referenced as major changes to index rules, but the document does not define the criteria for materiality. | 指数规则修订涉及的重大变更应事先征求市场意见。From CSI The Primary Policy of Index Management ↗ |
The rulebook requires market consultation for material index-rule changes but does not state a definition or criteria for materiality. |
| Consultation procedure | Material changes are consulted with the market before implementation; Category I indices normally use public consultation, non-Category I indices normally use targeted consultation, and targeted scope must match the index's actual impact. | 其中，一类指数1的重大变更原则上采用公开征求意见的形式，若采用定向方式的，征求范围应与指数的实际影响相适应；非一类指数的重大变更原则上采用定向征求意见的形式。From CSI The Primary Policy of Index Management ↗ |
CSI conducts prior market consultation for material changes, normally publicly for Category I indices and on a targeted basis for other indices, with targeted scope aligned to impact. |
| Notice period | 1 business day | 第十七条 指数规则的修订根据指数分类不同须在正式实施前至少一个交易日于公司官网进行公告，公告内容包括指数规则修订的背景、内容及实施时间表。From CSI Measures for the Implementation of Change of Index Methodologies ↗ |
Unless otherwise specified, rule revisions must be announced on the company website at least one trading day before formal implementation. |
| Error correction policy | Error definition: A published index level deviates from the correct level; Causes: data errors, maintenance errors, software or hardware technical failures, other causes; Older than six months: generally not handled; Within six months factors: impact of the error, index-linked products, time until the next index adjustment, index investability and replicability; Complex cases: CSI reserves the right to decide whether to recalculate the index or republish related data products | 指数错误指已向市场发布的指数点位与正确点位发生偏离。引起指数错误的原因包括但不限于：数据错误、维护错误、软硬件技术故障等。公司经过审慎评估，可能对指数错误进行修正，并遵循以下原则：如指数错误发现时距离发生已超过六个月，一般不予处理。From CSI The Primary Policy of Index Management ↗ |
Errors are deviations between published and correct levels; errors older than six months are generally not addressed, while newer errors are assessed by impact, linked products, timing, investability, and replicability, and complex cases may be recalculated or republished at CSI's discretion. |
| Change announcement | market disclosure before formal implementation of rule revisions, CSI Index Express, Exchanges, other third-party market-data publication systems, CSI website, CSI data service platform, notices to index clients for recalculation or republication | 指数规则修订经内部评审后，将在正式实施前向市场披露。From CSI The Primary Policy of Index Management ↗ |
CSI discloses rule revisions to the market before implementation, publishes levels through market-data systems and its website or data platform, and notifies clients for recalculations or republication. |
| Cessation policy | After prudent evaluation, CSI may terminate an index, meaning cessation of calculation, maintenance, and external publication; factors outside CSI's control may, in extreme cases, lead to termination. | 公司经过审慎评估后，可能会进行指数终止的操作，即终止指数的计算、维护和对外发布。From CSI The Primary Policy of Index Management ↗ |
An index may be terminated after prudent evaluation, stopping its calculation, maintenance, and external publication; extreme market, data, liquidity, environmental, or geopolitical factors may also result in termination. |
Open points · 26Model-written, for reference
- 1ISIN is not stated.
- 2Third-party vendor tickers such as Bloomberg, Refinitiv, or Wind are not stated.
- 3Calculation agent, launch date, calculation currency, methodology version, methodology date, and benchmark type are not stated.
- 4Intended use, stated limitations, and factor exposures are not stated.
- 5Specific listing boards, nationality rule, and exclusions are not stated.
- 6Detailed eligibility rules for trading history, liquidity metric and threshold, minimum size, free float, foreign room, voting rights, price, financial screens, ESG exclusions, suspension treatment, and abnormal price screening are not stated.
- 7The document does not state a tie-breaking rule for securities with equal composite rankings.
- 8The document does not state any industry or sector neutrality rule for selection.
- 9The document does not state whether a reserve list is maintained or how its size is determined.
- 10The document does not specify the weighting scheme, free-float treatment, share-count source, caps, or divisor adjustment rules.
- 11No explicit data cut-off or reference date rule for the semiannual review was stated.
- 12No timing or publication channel for announcing review results was stated.
- 13No separate rebalancing frequency or weight-reset frequency distinct from the semiannual sample review was stated.
- 14No size-segment buffer or relaxed liquidity threshold for existing constituents was stated.
- 15No deletion price for removed or suspended securities was stated.
- 16No numerical threshold for interim share or free-float changes was stated.
- 17The document does not specify a reserve list; the replacement-policy classification for events other than fast entry is not fully stated.
- 18M9 does not specify the price source or treatment of securities without trades.
- 19M9 does not specify real-time calculation intervals or end-of-day calculation frequency.
- 20M9 does not specify the number of decimal places in the published index level.
- 21M9 does not specify price, gross total return, or net total return index variants.
- 22M9 does not specify withholding-tax treatment or dividend reinvestment treatment.
- 23M9 does not list the corporate-action or constituent events that trigger divisor adjustments; it refers to separate calculation and maintenance rules.
- 24M9 does not specify market closure, suspension, or disruption calculation procedures.
- 25M9 does not specify a recalculation or error-correction policy for published index levels.
- 26The provided sections contain no governance, oversight, methodology-review, consultation, notice, disclosure, constituent-publication, or index-cessation rules.
Read by a language model (doubao-seed-2.1-pro) on 2026-10-03 · prompt 1.2 · schema 1 · 62 of 62 quotes found word for word in the PDF · includes general rules: Calculation Rules for Equity Indices v1.1, Free Float Rules for Equity Indices v1.1, Constituent Adjustment Rules for Equity Indices v1.2, The Primary Policy of Index Management v3.0, Measures for the Implementation of Change of Index Methodologies v3.0
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