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KSE-100 index: how Pakistan's main stock index is built

This guide explains what the KSE-100 measures, how companies get into it, how free-float weighting shapes it, and where to check the official figure.

Extrade Pakistan editorial team ·

On this page
  1. What is the KSE-100?
  2. KSE-100 index today: where to see the live value
  3. How KSE-100 companies are selected
  4. Free-float methodology explained
  5. Sector weights in the KSE-100
  6. KSE-100 compared with other PSX indices
  7. How Pakistani residents get exposure
  8. Frequent questions

What is the KSE-100?

The KSE-100 is the main benchmark index of the Pakistan Stock Exchange (PSX). A stock index tracks the combined price movement of a selected group of shares. When people ask how "the market" did today in Pakistan, they usually mean the KSE-100.

The name comes from the Karachi Stock Exchange, which merged with the Lahore and Islamabad exchanges to form PSX. The index kept its name.

The KSE-100 is a price index. It follows share prices, and dividends paid by its companies are not added to its value. It is calculated by PSX. PSX publishes the official rules in its index methodology documents on its website. Those documents are the final reference for everything on this page, so check the version date on the PSX document before you rely on any detail.

For the wider picture of how the exchange works, see PSX basics and PSX explained.

KSE-100 index today: where to see the live value

This page does not show a live or delayed value of the KSE-100. To check the KSE-100 index today, use:

Quotes on social media or unofficial apps can be late or wrong. For trading hours and the limits that pause trading on sharp moves, see Hours and limits.

How KSE-100 companies are selected

PSX builds the index from companies listed on the exchange. Under the PSX methodology, the selection works in broad terms like this.

Sector representation

PSX groups listed companies into sectors, such as commercial banks, oil and gas exploration, fertilizer, cement and power. The largest eligible company from each sector, measured by free-float market capitalisation, is included. This keeps the index from ignoring a whole part of the economy.

Remaining places by size

The other places in the basket go to the largest remaining companies by free-float market capitalisation, regardless of sector. A big sector can therefore hold many seats, while a small sector may hold only its leading company.

Eligibility filters

PSX applies filters before ranking. These typically cover:

The exact thresholds and review periods are set in the PSX methodology. They change from time to time, so read the current document instead of an old article.

Reviews (recomposition)

PSX reviews the index at regular intervals and announces which companies enter and leave. Between reviews, corporate actions such as bonus shares, rights issues, mergers or delistings are handled under the PSX rules so the index level is not distorted by the action itself.

Free-float methodology explained

Market capitalisation is the share price multiplied by the number of shares. Free-float market capitalisation counts only the shares that are realistically available for trading.

Shares usually treated as not free-floating include:

PSX gives each company a free-float factor, which is the share of its stock counted as available. The company's weight in the index then depends on its price, its total shares and this factor.

Why it matters:

Sector weights in the KSE-100

Because weights follow free-float market capitalisation, a few sectors usually dominate the index. Historically, the heaviest groups have included:

Sector Why it tends to matter
Commercial banks Many large listed banks with active trading
Oil and gas exploration Large companies, some with significant free float
Fertilizer Big, profitable listed producers
Cement Many listed firms linked to construction activity
Power generation Large utilities and independent power producers
Technology and communication A growing group of listed firms

The order and size of these weights change with prices and reviews. PSX publishes the current constituents and weights, so use those figures rather than this table.

What weight means in practice: a sharp move in a few heavy bank or energy shares can move the whole KSE-100, even if most other companies barely change. Interest rate decisions by the State Bank of Pakistan often affect banks and leveraged sectors strongly. See SBP rates and economy.

KSE-100 compared with other PSX indices

Index What it covers
KSE-100 Broad benchmark with sector representation
“KSE-30” A smaller basket of large, liquid companies
“KMI-30” Shariah-compliant companies
KSE All Share All eligible listed companies

Details are on the narrower and Shariah PSX indices. For Shariah screening in general, see Islamic finance.

How Pakistani residents get exposure

You cannot buy the index itself. You buy its shares, or funds that track or follow it, through the local market.

A note on offshore platforms: per the SECP, offshore forex/CFD platforms operate without regulatory approval in Pakistan, and per the SBP, the purchase of offshore forex/margin/CFD products by Pakistani residents violates section 4(1) of FERA 1947. Read Law and regulators before using any foreign platform.

Share prices can fall as well as rise, and a broad index can drop sharply over short periods. Leveraged CFD or margin trading on any index can lose money fast, sometimes more quickly than you can react. See Risk management.

Frequent questions

What is KSE-100 in simple words?

It is the main PSX index. It tracks the combined price movement of a selected group of large listed Pakistani companies, weighted by free-float market capitalisation.

How many KSE-100 companies are there?

The number is in the name. The list changes at each PSX review, so check the current constituent list on the PSX website.

Where can I see the KSE-100 index today?

On the PSX official website or in your licensed broker's terminal. This page does not show live values.

Does the KSE-100 include dividends?

No. It is a price index, so dividends are not added to its value.

Why can a large company have a small weight?

Weight depends on free-float market capitalisation. If most shares are held by sponsors or the government, only the freely traded part counts.

Can I buy the KSE-100 directly?

No. You buy the constituent shares or a fund through an SECP-licensed broker, with a CDC account to hold them.

Sources

  1. Securities and Exchange Commission of Pakistan (press release, 22.05.2025) · secp.gov.pk › Press Release SECP Warns Public Against Fraudulent Online Trading Plat — checked 2026-11-11
  2. Securities and Exchange Commission of Pakistan (press release, 13.01.2026) · secp.gov.pk › Press Release SECP Warns General Public to Beware of Unauthorized Inve — checked 2026-11-11
  3. Securities and Exchange Commission of Pakistan (press release, 09.04.2025) · secp.gov.pk › Press Release SECP Cautions Public Against Illegal Offshore Trading an — checked 2026-11-11
  4. State Bank of Pakistan, EPD Circular Letter No. 08 of 2022 · sbp.org.pk › Epd circular letter no 08 of 2022 — checked 2026-11-11

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