Index Methodology Hub
TIP Bloomberg IX0155 Index

TIP Customized Taiwan High Dividend 30 Index 特選臺灣高股息30指數

General rules (3) ↗

Latest v1.4.0, latest ↗ No changes yet

Also known as: 特選臺灣高股息30指數 · IX0155 Index (Bloomberg) · IX0155 (TIP code)

Tracked by: 00900 (ETF)

At a glance

  • Weighting schemeFactor tilted
  • Review frequencyMonthly
  • Single cap5
  • Next dates
    • 2026-12 (month) data cutoff (estimated from the review rule)
    • 2027-04 (month) data cutoff (estimated from the review rule)
    +1 more
    • 2027-07 (month) data cutoff (estimated from the review rule)
Profile fields by outline item
FieldValueSource textReading (model)
M1 Identity, objective, classification · 10 fields
Index name Taiwan Index Company Select Taiwan Listed and GreTai High Dividend 30 Index
臺灣指數公司特選臺灣上市上櫃高股息30 指數Open p.1 ↗
The full official Chinese index name corresponds to the Taiwan Index Company Select Taiwan Listed and GreTai High Dividend 30 Index.
Index short name 特選臺灣高股息30 指數
簡稱「特選臺灣高股息30 指數」Open p.1 ↗
The index is abbreviated as Select Taiwan High Dividend 30 Index.
Local index name 臺灣指數公司特選臺灣上市上櫃高股息30 指數
編製臺灣指數公司特選臺灣上市上櫃高股息30 指數Open p.1 ↗
The local-language index name is 臺灣指數公司特選臺灣上市上櫃高股息30 指數.
Administrator Taiwan Index Company
臺灣指數公司有鑑於高股息指數化金融商品向為備受關注之投資標的Open p.1 ↗
Taiwan Index Company compiles the index.
Index family Taiwan Index Company high dividend index series
臺灣指數公司有鑑於高股息指數化金融商品向為備受關注之投資標的Open p.1 ↗
The index belongs to the provider's high-dividend index family.
Objective 以表彰高度參與配息之高股息成分股組合投資績效。
以表彰高度參與配息之高股息成分股組合投資績效。Open p.1 ↗
The index is designed to represent the investment performance of a portfolio of high-dividend constituents that participate highly in dividend distributions.
Intended use index-linked investment products
高股息指數化金融商品向為備受關注之投資標的Open p.1 ↗
The document cites high-dividend index-linked financial products as closely watched investment targets.
Size segment Custom
採樣範圍:指數母體排除創新板股票後,屬發行市值前200 大之股票。Open p.1 ↗
The index draws from the top 200 stocks by issued market capitalization but targets a high-dividend portfolio rather than a standard size segment.
Index family type Dividend yield
利用股利率輔以自由流通市值調整成分股權重Open p.1 ↗
The index is a dividend-yield strategy that selects high-dividend stocks and adjusts weights by free-float market capitalization.
Factor exposures Yield
以定期選取可參與配息之高股息股票為目標,提升指數成分股之股息收益Open p.1 ↗
The index provides exposure to high dividend yield.
M2 Universe · 7 fields
Eligible universe Eligible universe
指數母體:臺灣證券交易所上市與中華民國證券櫃檯買賣中心上櫃普通股股票Open p.1 ↗
The sampling universe is TWSE-listed and TPEx-listed common stocks, subject to exclusions.
Sampling scope rank Metric: Issued market capitalization rank; Threshold: 200
採樣範圍:指數母體排除創新板股票後,屬發行市值前200 大之股票。Open p.1 ↗
After excluding innovation-board stocks, the sampling scope comprises the top 200 stocks by issued market capitalization.
New share certificate exception Stocks suspended because new share certificates are issued due to capital reduction, conversion to a holding company, newly formed company, or par-value change remain in the universe.
但因減資或轉換為控股公司、新設公司或變更面額等原因換發新股票而停止買賣者仍可列入母體。Open p.1 ↗
Suspension does not remove a stock from the universe when it results from issuing replacement certificates for capital reduction, holding-company conversion, new-company formation, or par-value changes.
Markets Taiwan
臺灣證券交易所上市與中華民國證券櫃檯買賣中心上櫃普通股股票Open p.1 ↗
The universe covers stocks listed on the Taiwan Stock Exchange and stocks listed on the Taipei Exchange in Taiwan.
Exchanges 臺灣證券交易所, 中華民國證券櫃檯買賣中心
臺灣證券交易所上市與中華民國證券櫃檯買賣中心上櫃普通股股票Open p.1 ↗
Eligible listing venues are the Taiwan Stock Exchange and the Taipei Exchange.
Security types Common
上櫃普通股股票Open p.1 ↗
The index universe consists of common stocks listed on the Taiwan Stock Exchange or Taipei Exchange.
Exclusions managed stocks, emerging stocks, stocks with trading-method changes, suspended stocks, innovation board stocks
非屬管理股票、興櫃股票及經公告為變更交易方法或停止買賣股票者Open p.1 ↗
The universe excludes managed stocks, emerging-board stocks, stocks publicly placed under changed trading methods or suspended trading, and innovation-board stocks.
M3 Eligibility screens · 9 fields
Qualified list Stocks passing the liquidity test are placed on the qualified list.
通過流動性檢驗之股票納入「合格名單」。Open p.3 ↗
Securities that pass the liquidity test form the qualified list used for subsequent indicator screening.
Dividend distribution exclusion For the first and second scheduled reviews each year, stocks whose ex-dividend date is earlier than the review effective date and whose cash dividend is distributed only once a year are excluded.
剔除除息日早於定期審核生效日且現金股利發放頻率為一年一次者。Open p.3 ↗
The first and second annual reviews remove stocks with an ex-dividend date before the review effective date if they pay cash dividends only once per year.
Dividend yield ranking screen For the first annual review, selected or fallback candidates generally must have dividend yield in the top 50% of the qualified list.
且「股利率」位於「合格名單」前50%高者,依「股利率」由高至低選取成分股30檔。Open p.3 ↗
At the first annual review, candidates are selected or supplemented from qualified-list stocks whose dividend yield ranks in the top 50%.
Third review dividend frequency At the third annual review, stocks passing the indicator screen and paying cash dividends more than once a year are ranked by dividend yield.
自通過指標篩選、現金股利發放頻率一年逾一次者,依「股利率」由高至低選取成分股30 檔。Open p.3 ↗
The third annual review first chooses from qualifying stocks that distribute cash dividends more than once per year.
Target constituent count 30 securities
依「股利率」由高至低選取成分股30 檔。Open p.3 ↗
The selection process ranks qualifying stocks by dividend yield and selects 30 constituents.
Liquidity screen Metric: Average daily value; Window: latest 3 months; Threshold: top 90% by average daily trading value
流動性檢驗:最近三個月日平均成交金額前90%高之股票;通過流動性檢驗之股票納入「合格名單」。Open p.3 ↗
Stocks must rank in the top 90% by average daily trading value over the most recent three months to pass the liquidity test and enter the qualified list.
Minimum size Metric: Rank; Threshold: 200
屬發行市值前200 大之股票。Open p.1 ↗
The sampling scope is limited to stocks ranking among the top 200 by issued market capitalization.
Financial screens Sum of operating profit over the most recent four fiscal quarters must be positive.
年度第一次及第二次定期審核: i. 最近四季營業利益總和為正。Open p.3 ↗
All periodic reviews require the sum of operating profit over the most recent four quarters to be positive.
Suspension rule Stocks publicly announced as suspended are excluded from the index universe, except suspensions caused by replacement certificates issued for capital reduction, holding-company conversion, new-company formation, or par-value changes.
非屬管理股票、興櫃股票及經公告為變更交易方法或停止買賣股票者;但因減資或轉換為控股公司、新設公司或變更面額等原因換發新股票而停止買賣者仍可列入母體。Open p.1 ↗
Suspended stocks are outside the universe unless the suspension is due to replacement certificates for specified corporate transformations.
M5 Weighting and capping · 8 fields
Minimum weight (%) 1%
依股利率加權再依自由流通市值調整後權重作為計算標準,個別成分股權重上限為5%、下限為1%。Open p.3 ↗
After dividend-yield weighting and free-float market-capitalisation adjustment, each constituent has a minimum weight of 1%.
Free float coefficient minimum for inclusion 10%
自由流通量係數若低於10%,則不納入成分股採樣。Open p.5 ↗
A security with a free-float coefficient below 10% is not included as a constituent.
Free float coefficient update timing Updated to coincide with the effective date of periodic constituent reviews.
配合成分股定期審核生效日,更新自由流通量係數。Open p.5 ↗
The free-float coefficient is updated on the effective date of the periodic constituent review.
Free float coefficient data source Most recent data produced under Taiwan Index Corporation's Free Float Factor Compilation Rules.
自由流通量係數依據臺灣指數公司「自由流通量係數編製規則」產製之最近期數據更新。Open p.5 ↗
The free-float coefficient uses the latest data produced according to Taiwan Index Corporation's rules for compiling free-float coefficients.
Weighting scheme Factor tilted
股利率加權,再依自由流通市值調整權重。Open p.3 ↗
Constituents are weighted by dividend yield and then adjusted by free-float market capitalisation.
Free float factor Method: Free float
股利率加權,再依自由流通市值調整權重。Open p.3 ↗
Weights are adjusted using free-float market capitalisation, and free-float coefficients are updated from the vendor's free-float coefficient data.
Weight cap 5%
依股利率加權再依自由流通市值調整後權重作為計算標準,個別成分股權重上限為5%、下限為1%。Open p.3 ↗
After dividend-yield weighting and free-float adjustment, each individual constituent's weight is capped at 5%.
Divisor adjustment rule Market-capitalization reference indices adjust the divisor while leaving coefficient products unchanged; investable and Smart Beta indices may adjust coefficient products or the divisor according to indexing-investment needs.
「市值參考型指數」係傳統的市場參考指標,主要反映指數成分股價格波動所造成的發行市值消長,為避免僅因企業活動改變指數市值而導致指數斷層的不連續現象,採調整指數除數但係數乘積不變的方式,以維持指數的連續性From TIP Corporate Actions and Events Methodology ↗
To maintain index continuity, market-capitalization reference indices adjust the divisor without changing coefficient products, while market-capitalization investable and Smart Beta indices assess practical indexing needs and adjust coefficient products or the divisor.
M6 Review and rebalance schedule · 10 fields
Fixed constituent count after review 30 constituents
每次定期審核後選取固定的成分股檔數30 檔。Open p.4 ↗
Each scheduled review selects a fixed constituent count of 30 stocks.
Insufficient history company data rule For a holding company or newly established company whose screening data period is insufficient, data from a represented company or stock may be combined if the represented company qualifies for the sampling universe.
控股公司或新設公司定期審核使用之成分股篩選資料期間不足者,如轉換股份之代表公司符合採樣母體資格,得合併採用該代表公司或股票之資料。Open p.5 ↗
If a holding company or newly established company lacks sufficient screening history for a scheduled review, data from its conversion-share representative company or stock may be combined when that representative qualifies for the sampling universe.
Review frequency Monthly
每年3 次進行成分股定期審核,以4、7、12 月的第7 個交易日為審核基準日,審核資料截至前一個月最後1 個交易日。Open p.4 ↗
Constituent reviews are conducted three times per year, in April, July and December, so no standard monthly/quarterly/semi-annual/annual frequency applies; the closest schedule is three scheduled reviews annually.
Review types Ad hoc
特選臺灣高股息30 指數為SmartBeta 投資型指數,成分股不定期調整、係數乘積、發行股數、指數除數等維護,依本公司「TIP 指數系列企業活動處理通則」辦理Open p.5 ↗
The index uses three scheduled constituent reviews each year and also permits non-scheduled constituent adjustments, but the scheduled review type does not match the supplied semi-annual, quarterly or annual enumeration.
Review months April, July, December
每年3 次進行成分股定期審核,以4、7、12 月的第7 個交易日為審核基準日,審核資料截至前一個月最後1 個交易日。Open p.4 ↗
Scheduled reviews use the seventh trading day of April, July and December as the review reference date.
Data cutoff rule Review data are as of the last trading day of the month preceding the review reference date; the reference date is the seventh trading day of April, July or December.
每年3 次進行成分股定期審核,以4、7、12 月的第7 個交易日為審核基準日,審核資料截至前一個月最後1 個交易日。Open p.4 ↗
The review reference date is the seventh trading day of April, July and December, and review data are cut off at the last trading day of the preceding month.
Announcement rule —
— (not found verbatim in the PDF)
Effective date rule Changes take effect five trading days after the review reference date, followed by a five-trading-day transition period.
成分股定期審核結果,於審核基準日之後,間隔5 個交易日後生效;於指數定期審核生效日(含)起設有5 個交易日的指數調整過渡期Open p.4 ↗
Scheduled review results become effective after an interval of five trading days following the review reference date.
Rebalance frequency Weight changes from each scheduled review are implemented over the five-trading-day transition period beginning on the effective date.
於指數定期審核生效日(含)起設有5 個交易日的指數調整過渡期,將定期審核異動之權重分配在5 個交易日內調整。Open p.4 ↗
Weights changed by a scheduled review are allocated and adjusted over five trading days starting on the review effective date.
Weight reset frequency —
— (not found verbatim in the PDF)
M7 Buffers and turnover control · 4 fields
Buffer zone —
— (not found verbatim in the PDF)
Size segment buffer —
— (not found verbatim in the PDF)
Liquidity buffer existing —
— (not found verbatim in the PDF)
Maximum turnover per review 6 constituents
成分股之檔數替換限制:年度第三次定期審核需滿足至多替換 6檔之限制。Open p.4 ↗
The third scheduled review of the year may replace no more than six constituents.
M8 Corporate actions, IPOs, ad-hoc changes · 7 fields
Fast entry —
— (not found verbatim in the PDF)
Replacement policy None
成分股不定期調整、係數乘積、發行股數、指數除數等維護,依本公司「TIP 指數系列企業活動處理通則」辦理;成分股若因此刪除,則不予遞補。Open p.5 ↗
If a constituent is removed because of a non-scheduled corporate-action adjustment, it is not replaced.
Merger spinoff rules Non-scheduled constituent adjustments and coefficient, shares-outstanding and divisor maintenance are handled according to the TIP Index Series Corporate Actions General Rules; deleted constituents are not replaced.
成分股不定期調整、係數乘積、發行股數、指數除數等維護,依本公司「TIP 指數系列企業活動處理通則」辦理;成分股若因此刪除,則不予遞補。Open p.5 ↗
Non-scheduled constituent adjustments arising from corporate events, including related coefficient, share and divisor maintenance, follow the TIP Index Series Corporate Actions General Rules, and removed constituents are not replaced.
Deletion price —
— (not found verbatim in the PDF)
Share or float change threshold —
— (not found verbatim in the PDF)
Corporate actions guide ref TIP 指數系列企業活動處理通則
成分股不定期調整、係數乘積、發行股數、指數除數等維護,依本公司「TIP 指數系列企業活動處理通則」辦理Open p.5 ↗
Non-scheduled constituent adjustments, coefficient products, outstanding shares and index divisor maintenance follow the TIP Index Series Corporate Actions General Rules.
Ad-hoc deletion Delisting, Risk warning, Acquisition, Other
被合併公司終止上市上櫃日From TIP Corporate Actions and Events Methodology ↗
Constituents may be deleted ad hoc on delisting or cessation that removes index-universe eligibility, persistent changed trading methods, and merger-related termination; the document also includes an other-event category.
M9 Calculation and return variants · 12 fields
Base index level 5,000 index points
註1:基期設定為2021 年10 月1 日,基準指數設定為5000 點。Open p.4 ↗
The base index level is set at 5,000 points.
Base date 2021-10-01
註1:基期設定為2021 年10 月1 日,基準指數設定為5000 點。Open p.4 ↗
The base date is set as October 1, 2021.
Index start date 2021-11-15
特選臺灣高股息30 指數自2021 年11 月15 日起,於臺灣證券交易所與中華民國證券櫃檯買賣中心交易時間內Open p.3 ↗
Real-time index calculation began on November 15, 2021.
Calculation agent Taiwan Stock Exchange
由臺灣指數公司負責編製,委請臺灣證券交易所計算及即時資訊傳輸。Open p.1 ↗
Taiwan Index Company compiles the index and commissions the Taiwan Stock Exchange to calculate it and transmit real-time information.
Formula type Divisor
𝑛 𝐼𝑛𝑑𝑒𝑥𝑡= ∑ 𝑐𝑝𝑖,𝑡× 𝑠𝑖,𝑡× 𝑝𝑖,𝑡 𝑖=1 × 5000 𝐷𝑖𝑣𝑖𝑠𝑜𝑟𝑡Open p.4 ↗
The index is calculated using a divisor formula with a base index level of 5,000.
Price source Latest trade price
每隔五秒以成分股最新成交價格計算及公布即時指數一次,並於每日收盤後計算一次收盤指數。Open p.3 ↗
The intraday index is calculated using each constituent's latest transaction price.
Calculation frequency Timing: Intraday; Interval: 5 seconds, Timing: Close; Frequency: Daily
於臺灣證券交易所與中華民國證券櫃檯買賣中心交易時間內,每隔五秒以成分股最新成交價格計算及公布即時指數一次,並於每日收盤後計算一次收盤指數。Open p.3 ↗
The price index is published every five seconds during market hours and once after the close; the total return index is calculated and published once daily after the close.
Return variants PR, GTR
特選臺灣高股息30 指數分「價格指數」 (Price Index)、「報酬指數」 (Total Return Index)Open p.1 ↗
The index family includes a price index and a total return index reflecting cash dividends.
Dividend treatment Total return index adjusted for cash dividends
臺灣指數公司另編製特選臺灣高股息30 報酬指數,就特選臺灣高股息30 指數考量現金股利因素後加以調整,用以反映包含現金股利之報酬Open p.3 ↗
The total return index is adjusted to reflect returns including cash dividends.
Divisor adjustment Post close constituent or corporate action market value changes
收盤後成分股依本公司「TIP 指數系列企業活動處理通則」SmartBeta 投資型指數調整指數除數以維持指數連續性Open p.4 ↗
After the close, the divisor is adjusted under the corporate actions rules when constituent market value changes occur so that index continuity is maintained.
Market disruption rule If the TWSE centralised market cannot open normally or is closed, index calculation and publication stop.
若證交所有價證券集中交易市場(以下稱:集中市場)因故無法正常開市或休市,指數將停止計算發布。From TIP General Principles for TIP Securities Indices ↗
Index calculation and publication are stopped when the Taiwan Stock Exchange centralised market is unable to open normally or is closed.
Recalculation policy Missed intraday real-time indices are not recalculated after a real-time calculation or publication system failure., Affected daily closing indices after a major-emergency suspension are recalculated within five trading days after operations resume.
若指數發生3.3.2 之情事,將不會回溯計算發布遺漏的盤中即時指數。From TIP General Principles for TIP Securities Indices ↗
Missed intraday real-time values are not back-calculated, whereas closing values affected by a major-emergency suspension are retrospectively calculated and corrected.
M10 Governance, change policy, disclosure · 9 fields
General index rules reference TIP General Rules for Securities Indexes
指數編製、維護及管理等原則,參閱「臺灣指數公司有價證券指數通則」。Open p.1 ↗
Index compilation, maintenance, and management principles refer to Taiwan Index Company's General Rules for Securities Indexes.
Corporate actions guide reference TIP Index Series Corporate Actions General Rules for SmartBeta Indexes
使用之係數依本公司「TIP 指數系列企業活動處理通則」SmartBeta 投資型指數所定Open p.4 ↗
Coefficients and divisor adjustments follow the TIP Index Series Corporate Actions General Rules for SmartBeta investment indexes.
Oversight body Taiwan Index Company
由臺灣指數公司負責編製,委請臺灣證券交易所計算及即時資訊傳輸。Open p.1 ↗
Taiwan Index Company is responsible for compiling the index and conducting periodic constituent reviews.
Constituents published Bool: No
臺灣指數公司將保存所有成分股的收盤市值紀錄。Open p.1 ↗
The document states that closing market capitalization records for all constituents are retained, but does not state a constituent-list publication schedule.
Discretion points handling urgent situations not covered or not clearly governed by the rules, deciding whether to terminate an index, final decision on changes to individual index compilation rules, adjusting weight-cap parameters when weights total less than 100%, shortening the announcement period for methodology changes in specified circumstances
又必須及時處理時,其處理方式的任何決定,本公司將基於指數能符合公正、公平、公開的原則下進行決策。From TIP General Principles for TIP Securities Indices ↗
The company may decide treatment of unforeseen urgent matters, determine whether to terminate indices, make final decisions on methodology changes, and adjust weight-cap parameters or notice periods in specified situations.
Methodology review frequency The general rules are reviewed from time to time; the committee normally meets twice per year.
本指數通則由本公司不定期審視,以期能持續實現指數之編製目標From TIP General Principles for TIP Securities Indices ↗
The general rules are reviewed irregularly, while the Index Compilation Committee is normally convened twice per year.
External review The Index Compilation Committee is consulted on content formulation and major changes to the general rules.
內容制定或任何重大變更將向指數編製委員會徵詢意見,作為擬訂或增修之參考。From TIP General Principles for TIP Securities Indices ↗
Opinions are sought from the Index Compilation Committee when formulating the rules or making any material changes.
Change announcement Taiwan Index Company website, technical notices, press releases, notifications to authorised clients
授權發行金融商品之指數,編製規則修改將於新編製規則生效前於本公司網站公告技術通知。From TIP General Principles for TIP Securities Indices ↗
Results, rules, changes and emergency responses are disclosed on the company website, through technical notices or press releases, and by notifications to authorised clients.
Cessation policy insufficient number of constituents, incomplete or unreliable data required for periodic review, changes in market environment, regulations or potential constituents making the objective difficult to achieve, a customised index's original purpose no longer exists or there is no practical application demand
指數終止編製發布之啟動事由,包含但不限於下列情事;本公司經審慎評估後,決定指數是否終止編製發布。指數成分數量不足From TIP General Principles for TIP Securities Indices ↗
An index may be terminated after careful assessment when constituents are insufficient, review data are incomplete or unreliable, market or regulatory changes prevent achievement of its objective, or a customised index has no purpose or demand.

Open points · 24Model-written, for reference

  1. 1Index code, ISIN, vendor tickers, launch date, base date, base value, calculation currency, methodology version, methodology date, and calculation agent were not stated.
  2. 2No explicit regulated-benchmark status or benchmark classification was stated.
  3. 3No free-float minimum percentage, foreign ownership room, voting-rights threshold, minimum price, or extreme-price screen was stated.
  4. 4No minimum trading-history period was stated.
  5. 5No explicit nationality-assignment rule, parent index, or board name other than exclusion of innovation-board stocks was stated.
  6. 6The market classification was not expressly stated and was therefore not filled.
  7. 7Index limitations were not stated.
  8. 8No constituent selection method, ranking metric, target constituent count, tie-breaking rule, industry-neutrality rule, or reserve-list rule is stated.
  9. 9The document does not specify the detailed weighting formula or how dividend-yield weighting and free-float adjustment are combined.
  10. 10No domestic inclusion factor, foreign ownership limit treatment, group cap, sector cap, country cap, cap application timing, shares-outstanding source, or divisor adjustment rule is stated.
  11. 11No explicit review-result announcement date or publication channel is stated.
  12. 12No rank buffer, size-segment buffer, or relaxed liquidity buffer for existing constituents is stated.
  13. 13No fast-entry rule for large new listings is stated.
  14. 14No specific ad-hoc deletion triggers, deletion price, or share/float change threshold are stated; the document refers to a separate corporate-actions guide.
  15. 15The supplied review frequency enum does not include a three-times-per-year schedule, even though the text specifies reviews in April, July and December.
  16. 16The supplied review types enum does not include a triannual scheduled review type.
  17. 17No published-index decimal precision was stated.
  18. 18No withholding tax basis or net total return variant was stated.
  19. 19No market-disruption or market-closure calculation rule was stated.
  20. 20No recalculation, error-correction, or restatement policy was stated.
  21. 21No methodology review frequency, external review, consultation procedure, material-change definition, or notice period was stated.
  22. 22No specific disclosure channels, constituent publication frequency, or index cessation policy was stated.
  23. 23The exact complete list of divisor-adjustment events is not enumerated and is only referenced through the corporate actions rules.
  24. 24Not coveredM4 Selection and constituent count: not covered by this edition

Read by a language model (doubao-seed-2.1-pro) on 2026-10-03 · prompt 1.2 · schema 1 · 68 of 68 quotes found word for word in the PDF · includes general rules: General Principles for TIP Securities Indices v1.1.2, TIP Corporate Actions and Events Methodology v2.3.7

This profile was written by a language model from the provider's text and may be wrong; the provider's document prevails.

Editions

  • v1.4.0, latest zh5 pp
  • v1.4.0, latest en6 pp

Pick a file to view it here.

First edition on record; nothing to compare yet.

No change records for this index yet.