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BSE100

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How Does BSE 100 Work?

The BSE 100 index is a broad-based index comprising 100 companies listed on the Bombay Stock Exchange. These companies represent a diversified mix across various sectors such as finance, healthcare, consumer goods, and technology. The index is structured to reflect the overall market sentiment and serves as a barometer for economic activity in India. Companies are picked from the BSE 100 on market value and trading volume, amongst others.

The free-float market capitalization method governs the working of the BSE 100 index. This means that only the shares available in the public domain are put into the index calculation process. Therefore, the higher the public participation in any stock, the greater its influence will be on the entire index. Prominently, periodic review of the index involves raising and removing constituents based on their performance and qualification metrics. This creates relevance with changing market conditions. The BSE 100 itself is not actively traded, but its structure can be followed through mutual funds and exchange-traded funds that replicate it.

Significance of BSE 100

The BSE 100 plays a crucial role in understanding broad market movements. Since it includes companies from various sectors, it provides a comprehensive snapshot of the Indian equity market. This makes it useful for analysts and market participants looking to assess market direction, investor sentiment, and sectoral shifts. Its diversified nature reduces the over-reliance on any single industry, offering a more balanced market overview compared to narrower indices.

In addition to being a market performance indicator, the BSE 100 also helps fund managers and institutional investors benchmark their portfolios. It allows them to evaluate how their investments are performing relative to a broad market sample. For individual investors, it offers insights into the performance of large and mid-sized companies that are financially stable and regularly traded. The index is often used to structure passive investment strategies, as it reflects both stability and diversity in a single benchmark.

How to Invest in BSE 100?

Investment in the BSE 100 can be indirect via instruments that track the index. They are mutual funds and exchange-traded funds (ETFs) that replicate the performance of the BSE 100. An investor must approach a registered broker and open a demat and trading account to purchase units of these schemes. Such funds invest in 100 companies proportionally and offer exposure to a broad segment of the market through a single product.

It’s important to research and select funds that align with one's financial goals and risk tolerance. Some funds might closely mimic the index, while others may have slight variations depending on their management strategy. Charges like expense ratio, tracking error, and fund liquidity should be considered before making an investment. Many platforms provide detailed fact sheets and past performance summaries that help in making informed decisions about BSE 100-linked investments.

How is BSE 100 Value Calculated?

  • The BSE 100 index is computed via the free-float market capitalization technique, which takes into account only the shares that are readily available for trading in the open market.

  • The formula used to calculate the index value is:
    Index Value = (Current Market Capitalization / Base Market Capitalization) × Base Index Value

  • Here,

    • Current Market Capitalization = Σ (Price of each stock × Free-float shares of each stock)

    • Base Market Capitalization is the market cap of the index on the base date

    • Base Index Value is typically set to a round figure like 1000 for standardization

  • The prices used are the closing prices of the individual stocks on the trading day.

  • The index is adjusted for corporate actions such as stock splits, bonus issues, rights offerings, and mergers, so that such events do not distort the index value.

  • Regular index rebalancing is done to ensure that the index remains relevant to current market dynamics. Stocks may be added or removed based on predefined eligibility criteria.

  • Sector and stock weightings shift over time as market capitalization values change, helping the index reflect evolving trends in the Indian equity market.

  • This calculation method ensures that only actively traded and widely held stocks influence the index movements, improving its accuracy as a market performance indicator.

What are the Benefits of Investing in the BSE 100?

  • Exposure to a diverse portfolio of 100 leading companies from various sectors.
  • Opportunity for market-linked growth aligned with India’s economic development.
  • Acts as a tool for portfolio diversification by covering multiple industries and segments.
  • An easier way for passive investors to access broad market exposure without stock-picking.
  • Lower volatility compared to sector-specific or small-cap indices.
  • Helps benchmark personal portfolios against a wide market standard.
  • It offers a mix of large and mid-cap companies, providing a balance of stability and growth.
  • Funds tracking the BSE 100 typically have lower management complexity.
  • Transparent selection and periodic review increase index credibility.
  • Widely accepted by analysts and institutions as a reliable market indicator.

BSE 100 and You

  • Ideal for investors looking for broad market participation without active trading.
  • Helps reduce the need for stock-specific research, saving time and effort.
  • It can be suitable for both long-term financial planning and systematic investment approaches.
  • Acts as a starting point for individuals exploring index-based strategies.
  • Useful for individuals preferring moderate exposure to equity without taking extreme risk.
  • It can complement other investments like debt or gold to balance overall portfolio allocation.
  • Often used by working professionals for automated investing through SIP in index funds.
  • Available via many digital investment platforms, increasing accessibility.
  • Investors can track performance using financial websites and fund reports.
  • Encourages disciplined investing by following market trends over speculation.

BSE 100 Myths Debunked

  • Myth: Only large companies are included.
    Fact: The BSE 100 includes both large and mid-cap companies based on defined selection metrics.
  • Myth: Index investing needs large capital.
    Fact: Even small investors can invest in the BSE 100 through ETFs and SIPs.
  • Myth: Indexes don’t change.
    Fact: The BSE 100 is reviewed periodically, and companies are added or removed as needed.
  • Myth: One company’s fall affects the entire index.
    Fact: The diversified nature of the BSE 100 reduces the impact of individual stock movements.
  • Myth: It’s hard to understand how the index works.
    Fact: The index follows a systematic method based on publicly disclosed criteria.
  • Myth: BSE 100 is the same as Sensex.
    Fact: Sensex includes 30 companies, while BSE 100 includes 100, offering wider coverage.
  • Myth: Only professionals use indices.
    Fact: Many retail investors use BSE 100-linked funds for passive exposure.
  • Myth: Index investing gives no control.
    Fact: Investors can choose fund types, investment amounts, and time horizon.
  • Myth: Historical data isn’t available.
    Fact: BSE publishes index data regularly for research and tracking.
  • Myth: Indices are fixed forever.
    Fact: Index methodology adapts over time to reflect market dynamics.
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All Indices

  • NSE
  • BSE
NAME PRICE CHANGE CHANGE% PREVIOUS CLOSE
Nifty 50
26140.75
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-37.95 -0.14% 26178.70 forward-arrow
Nifty Bank
59990.85
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-127.55 -0.21% 60118.40 forward-arrow
Nifty 100
26781.80
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-26.95 -0.10% 26808.75 forward-arrow
Nifty 200
14615.85
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0.10 0.00% 14615.75 forward-arrow
Nifty Fin Service
27853.35
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-91.75 -0.33% 27945.10 forward-arrow
NIFTY MID SELECT
14053.40
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96.30 0.69% 13957.10 forward-arrow
Nifty 500
24016.60
arrowup arrowndown
6.10 0.03% 24010.50 forward-arrow
NIFTY Alpha 50
51064.45
arrowup arrowndown
105.75 0.21% 50958.70 forward-arrow
Nifty Auto
28692.40
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-229.95 -0.80% 28922.35 forward-arrow
Nifty CPSE
6572.00
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-27.70 -0.42% 6599.70 forward-arrow
Nifty Energy
35763.50
arrowup arrowndown
-85.65 -0.24% 35849.15 forward-arrow
Nifty GS 4 8Yr
3224.12
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-0.44 -0.01% 3224.56 forward-arrow
Nifty GS 8 13Yr
2970.08
arrowup arrowndown
-0.77 -0.03% 2970.85 forward-arrow
NIFTY INDIA MFG
15665.25
arrowup arrowndown
-5.40 -0.03% 15670.65 forward-arrow
Nifty Infra
9563.20
arrowup arrowndown
-48.40 -0.50% 9611.60 forward-arrow
Nifty IT
38688.80
arrowup arrowndown
711.40 1.87% 37977.40 forward-arrow
Nifty Media
1457.55
arrowup arrowndown
0.95 0.07% 1456.60 forward-arrow
Nifty Metal
11524.00
arrowup arrowndown
-0.05 0.00% 11524.05 forward-arrow
Nifty Midcap 50
17534.35
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63.00 0.36% 17471.35 forward-arrow
Nifty MNC
31015.30
arrowup arrowndown
-33.05 -0.11% 31048.35 forward-arrow
Nifty Next 50
70690.60
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88.50 0.13% 70602.10 forward-arrow
Nifty Pharma
23286.25
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159.40 0.69% 23126.85 forward-arrow
Nifty PSE
10081.30
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-14.55 -0.14% 10095.85 forward-arrow
Nifty PSU Bank
8767.65
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-23.30 -0.27% 8790.95 forward-arrow
Nifty Pvt Bank
28880.85
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1.05 0.00% 28879.80 forward-arrow
Nifty Realty
909.80
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-4.55 -0.50% 914.35 forward-arrow
NIFTY SMLCAP 50
8774.90
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68.35 0.79% 8706.55 forward-arrow
NIFTY TOTAL MKT
13475.85
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3.40 0.03% 13472.45 forward-arrow
Nifty GS 10Yr
2613.89
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0.73 0.03% 2613.16 forward-arrow
Nifty FMCG
53493.80
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-68.15 -0.13% 53561.95 forward-arrow
Nifty Commodities
9669.70
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-30.50 -0.31% 9700.20 forward-arrow
NIFTY CONSR DURBL
38337.95
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638.95 1.69% 37699.00 forward-arrow
Nifty FinSrv25 50
30658.80
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-73.80 -0.24% 30732.60 forward-arrow
Nifty GrowSect 15
12791.70
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40.60 0.32% 12751.10 forward-arrow
Nifty GS 10Yr Cln
891.00
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0.08 0.01% 890.92 forward-arrow
Nifty GS 11 15Yr
3231.17
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0.47 0.01% 3230.70 forward-arrow
Nifty GS 15YrPlus
3475.81
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1.32 0.04% 3474.49 forward-arrow
Nifty GS Compsite
3049.73
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-0.02 0.00% 3049.75 forward-arrow
NIFTY HEALTHCARE
15015.40
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65.15 0.44% 14950.25 forward-arrow
NIFTY IND DIGITAL
9497.00
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95.60 1.02% 9401.40 forward-arrow
NIFTY LARGEMID250
17008.85
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27.80 0.16% 16981.05 forward-arrow
NIFTY M150 QLTY50
24271.40
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148.90 0.62% 24122.50 forward-arrow
NIFTY MICROCAP250
22712.40
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5.30 0.02% 22707.10 forward-arrow
Nifty Mid Liq 15
16227.45
arrowup arrowndown
106.55 0.66% 16120.90 forward-arrow
NIFTY MIDCAP 100
61424.70
arrowup arrowndown
276.15 0.45% 61148.55 forward-arrow
NIFTY MIDCAP 150
22606.50
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95.90 0.43% 22510.60 forward-arrow
NIFTY MIDSML 400
20468.60
arrowup arrowndown
67.35 0.33% 20401.25 forward-arrow
NIFTY OIL AND GAS
11920.90
arrowup arrowndown
-79.70 -0.66% 12000.60 forward-arrow
Nifty Serv Sector
33860.55
arrowup arrowndown
-17.95 -0.05% 33878.50 forward-arrow
NIFTY SMLCAP 100
17958.50
arrowup arrowndown
70.65 0.39% 17887.85 forward-arrow
NIFTY SMLCAP 250
16816.00
arrowup arrowndown
24.50 0.15% 16791.50 forward-arrow
NIFTY100 EQL Wgt
34485.40
arrowup arrowndown
3.65 0.01% 34481.75 forward-arrow
NIFTY100 LowVol30
21373.05
arrowup arrowndown
14.90 0.07% 21358.15 forward-arrow
NIFTY100 Qualty30
5969.65
arrowup arrowndown
23.75 0.40% 5945.90 forward-arrow
Nifty100ESGSecLdr
4389.75
arrowup arrowndown
-3.15 -0.07% 4392.90 forward-arrow
Nifty200Momentm30
31596.80
arrowup arrowndown
1844.10 6.20% 29752.70 forward-arrow
Nifty50 Div Point
249.14
arrowup arrowndown
42.81 20.75% 206.33 forward-arrow
Nifty50 PR 1x Inv
200.15
arrowup arrowndown
-9.70 -4.62% 209.85 forward-arrow
Nifty50 PR 2x Lev
14697.05
arrowup arrowndown
-4972.15 -25.28% 19669.20 forward-arrow
Nifty50 TR 1x Inv
163.75
arrowup arrowndown
-8.25 -4.80% 172.00 forward-arrow
Nifty50 TR 2x Lev
21992.05
arrowup arrowndown
2322.85 11.81% 19669.20 forward-arrow
Nifty50 Value 20
13397.40
arrowup arrowndown
887.40 7.09% 12510.00 forward-arrow
NIFTY500 MULTICAP
16607.10
arrowup arrowndown
921.90 5.88% 15685.20 forward-arrow
NAME PRICE CHANGE CHANGE% PREVIOUS CLOSE
SENSEX
84961.14
-102.20 -0.12% 85063.34 forward-arrow
BSE100
27418.84
-19.48 -0.07% 27438.32 forward-arrow
SNSX50
27300.00
-32.93 -0.12% 27332.93 forward-arrow
BSE200
11871.38
-1.52 -0.01% 11872.90 forward-arrow
BSE500
37669.63
11.93 0.03% 37657.70 forward-arrow
BSE CG
67836.44
279.73 0.41% 67556.71 forward-arrow
BSE CD
62270.85
768.23 1.25% 61502.62 forward-arrow
BSEPSU
21074.09
-52.80 -0.25% 21126.89 forward-arrow
TECK
18731.84
173.51 0.93% 18558.33 forward-arrow
BANKEX
67512.54
-42.52 -0.06% 67555.06 forward-arrow
AUTO
63650.74
-434.29 -0.68% 64085.03 forward-arrow
METAL
37995.04
15.59 0.04% 37979.45 forward-arrow
OILGAS
28005.82
-215.83 -0.76% 28221.65 forward-arrow
DOL30
7757.23
0.00 0.00% 7757.23 forward-arrow
DOL100
3154.44
8.19 0.26% 3146.25 forward-arrow
DOL200
2198.02
6.99 0.32% 2191.03 forward-arrow
REALTY
7066.92
-27.86 -0.39% 7094.78 forward-arrow
POWER
6669.66
-20.04 -0.30% 6689.70 forward-arrow
BSEIPO
15700.22
35.07 0.22% 15665.15 forward-arrow
GREENX
7827.50
0.00 0.00% 7827.50 forward-arrow
CARBON
4344.48
0.00 0.00% 4344.48 forward-arrow
SMEIPO
94748.30
-175.25 -0.18% 94923.55 forward-arrow
INFRA
586.42
-3.26 -0.55% 589.68 forward-arrow
CPSE
3926.20
-2.22 -0.06% 3928.42 forward-arrow
MIDCAP
47672.61
223.39 0.47% 47449.22 forward-arrow
SMLCAP
51816.79
63.51 0.12% 51753.28 forward-arrow
BSEFMC
19607.08
-34.79 -0.18% 19641.87 forward-arrow
BSE HC
44780.85
188.38 0.42% 44592.47 forward-arrow
BSE IT
37490.47
725.84 1.97% 36764.63 forward-arrow
MFG
1113.50
-1.57 -0.14% 1115.07 forward-arrow
ALLCAP
10471.31
0.00 0.00% 10471.31 forward-arrow
COMDTY
8234.95
7.81 0.09% 8227.14 forward-arrow
CONDIS
9982.11
-1.76 -0.02% 9983.87 forward-arrow
ENERGY
12057.13
-47.91 -0.40% 12105.04 forward-arrow
FINSER
13265.27
-36.92 -0.28% 13302.19 forward-arrow
INDSTR
14886.55
44.20 0.30% 14842.35 forward-arrow
LRGCAP
10068.23
-6.70 -0.07% 10074.93 forward-arrow
MIDSEL
17844.69
72.55 0.41% 17772.14 forward-arrow
SMLSEL
8182.51
22.64 0.28% 8159.87 forward-arrow
TELCOM
3139.51
-19.24 -0.61% 3158.75 forward-arrow
UTILS
5271.18
-42.50 -0.80% 5313.68 forward-arrow
BHRT22
9190.22
-7.24 -0.08% 9197.46 forward-arrow
ESG100
437.55
-0.31 -0.07% 437.86 forward-arrow
MID150
16645.59
67.90 0.41% 16577.69 forward-arrow
SML250
6718.43
6.69 0.10% 6711.74 forward-arrow
LMI250
11256.06
2.77 0.02% 11253.29 forward-arrow
MSL400
12280.95
37.74 0.31% 12243.21 forward-arrow
BSEDSI
1069.01
0.29 0.03% 1068.72 forward-arrow
BSEEVI
1063.13
-3.85 -0.36% 1066.98 forward-arrow
BSELVI
1907.86
-5.15 -0.27% 1913.01 forward-arrow
BSEMOI
2248.74
8.79 0.39% 2239.95 forward-arrow
BSEQUI
1901.66
13.33 0.71% 1888.33 forward-arrow
DFRGRI
1704.98
-3.51 -0.21% 1708.49 forward-arrow
LCTMCI
9671.29
-7.67 -0.08% 9678.96 forward-arrow
BSEPBI
21153.35
-36.46 -0.17% 21189.81 forward-arrow
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