Derivatives and Quantitative Strategist

Gaudenz Schneider

Equity Derivatives

<ul>
<li>September brings heavy index rebalancing activity. <a href="https://www.smartkarma.com/entities/pop-mart-international-group-l" target="_blank" data-smartkarma-citation="entities:29016:1" rel="noopener">Pop Mart (9992 HK)</a> will join both the <a href="https://www.smartkarma.com/entities/hong-kong-hang-seng-index" target="_blank" data-smartkarma-citation="entities:22899:1" rel="noopener">Hang Seng Index (HSI INDEX)</a> and the <a href="https://www.smartkarma.com/entities/hang-seng-china-enterprises-index" target="_blank" data-smartkarma-citation="entities:22900:1" rel="noopener">Hang Seng China Enterprises Index (HSCEI INDEX)</a>.</li>
<li>
The Fed is widely expected to cut rates and Asia-Pac peers (BoJ, RBA, RBI) are also meeting.</li>
<li>
Why Read: Plan ahead and take into account known market events when making investment and trading decision.</li>
</ul>


September brings heavy index rebalancing activity. Pop Mart (9992 HK) will join both the Hang Seng Index (HSI INDEX) and the Hang Seng China Enterprises Index (HSCEI INDEX).

The Fed is widely expected to cut rates and Asia-Pac peers (BoJ, RBA, RBI) are also meeting.

Why Read: Plan ahead and take into account known market events when making investment and trading decision.


Index Changes and Rate Cuts: Key Events in September 2025

Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal/Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

Index Rebalance

Max Healthcare Institute / Index Rebalance

<ul>
<li>The semiannual index rebal events of the NIFTY 50 index and NIFTY 100 index will take place in September 2025. The index changes were announced on Friday 22nd August 2025.</li>
<li>There will be two changes for NIFTY 50 index and five changes to NIFTY 100.</li>
<li>In this insight, we take a look at our final flow expectations.</li>
</ul>


The semiannual index rebal events of the NIFTY 50 index and NIFTY 100 index will take place in September 2025. The index changes were announced on Friday 22nd August 2025.
There will be two changes for NIFTY 50 index and five changes to NIFTY 100.
In this insight, we take a look at our final flow expectations.


Quiddity NIFTY Sep25 Results: 13/14 Predictions Correct; Only One Surprise; ~US$1.2bn One-Way

APAC IPOs & Placements, Aequitas Research

Akshat Shah

APAC IPOs & Placements

IPOs and Placements coverage across Asia Pacific

Aequitas Research

We cover all listing across the Asia Pacific along with follow-up placements. As of Dec 2020, our team had covered 539 IPOs with a hit rate of 73.5% and 685 placements with a hit rate of 66.8%.

We combine fundamental bottom-up views with our proprietary quantitative framework to provide a holistic coverage across new listings and placements. Our coverage includes pre-IPO notes before the deal is launched, follow-up analysis once the deal is live and post-listing trading analysis as well.

Equity Capital Markets

<ul>
<li>
<a href="https://www.smartkarma.com/entities/vikram-solar" target="_blank" data-smartkarma-citation="entities:36670:1" rel="noopener">Vikram Solar (0490158D IN)</a> raised about US$238m in its India IPO.</li>
<li>Vikram Solar is an integrated solar photo-voltaic modules producer and an integrated solar energy solutions provider offering engineering, procurement and construction services, and operations and maintenance services to its customers.</li>
<li>We have looked at the company’s past performance and valuations in our previous notes. In this note, we will talk about the trading dynamics.</li>
</ul>



Vikram Solar (0490158D IN) raised about US$238m in its India IPO.
Vikram Solar is an integrated solar photo-voltaic modules producer and an integrated solar energy solutions provider offering engineering, procurement and construction services, and operations and maintenance services to its customers.
We have looked at the company’s past performance and valuations in our previous notes. In this note, we will talk about the trading dynamics.


Vikram Solar IPO Trading - Robust Insti-Led Demand; Decent Anchor

Pan-Asia Index Rebalances/ Events/ Delta One, Periscope Analytics

Brian Freitas

Pan-Asia Index Rebalances/ Events/ Delta One

Periscope Analytics

Periscope Analytics focuses on event-driven trades across Asia Pacific and provides comprehensive, timely and systematic coverage of index changes to major Asia Pacific indices in a structured manner.

The analysis includes forecasted inclusions and exclusions to all major Asian indices that have significant amount of tracking assets, including estimates of passive buy/sell flow on the stocks. The service also provides commentary and impact of market consultations, ground rule changes, and other events (IPOs, spin-offs, M&A) that could lead to index changes and passive flow.

Periscope Analytics works with multi-strategy hedge funds, proprietary trading firms, stat arb trading groups and long-only investors that invest and trade in the Asia Pacific region with the data being used to trade index rebalances, avoid pre-positioning and passive flow, and to time entry into and exit from stocks.

Event-Driven Trades Across Asia Pacific

<ul>
<li>
<a href="https://www.smartkarma.com/entities/interglobe-aviation-ltd" target="_blank" data-smartkarma-citation="entities:24877:1" rel="noopener">InterGlobe Aviation Ltd (INDIGO IN)</a> and <a href="https://www.smartkarma.com/entities/max-healthcare-institute-ltd" target="_blank" data-smartkarma-citation="entities:35275:1" rel="noopener">Max Healthcare Institute (MAXHEALT IN)</a> replace <a href="https://www.smartkarma.com/entities/hero-motocorp-ltd" target="_blank" data-smartkarma-citation="entities:2391:1" rel="noopener">Hero Motocorp (HMCL IN)</a> and <a href="https://www.smartkarma.com/entities/indusind-bank-ltd" target="_blank" data-smartkarma-citation="entities:1558:1" rel="noopener">Indusind Bank (IIB IN)</a> in the <a href="https://www.smartkarma.com/entities/nifty-index" target="_blank" data-smartkarma-citation="entities:23617:1" rel="noopener">NIFTY Index (NIFTY INDEX)</a> in September.</li>
<li>There are 5 constituent changes to the <a href="https://www.smartkarma.com/entities/nifty-100-index" target="_blank" data-smartkarma-citation="entities:36051:1" rel="noopener">Nifty 100 Index (NSE100 INDEX)</a> leading to 4 changes for the <a href="https://www.smartkarma.com/entities/nse-nifty-next-50-index" target="_blank" data-smartkarma-citation="entities:36053:1" rel="noopener">NSE Nifty Next 50 Index (NIFTYJR INDEX)</a>. </li>
<li>There will be global passive buying in <a href="https://www.smartkarma.com/entities/swiggy-limited" target="_blank" data-smartkarma-citation="entities:35630:1" rel="noopener">Swiggy (SWIGGY IN)</a> on Tuesday. Then there will be net selling in the stock at the close on 29 September.</li>
</ul>



InterGlobe Aviation Ltd (INDIGO IN) and Max Healthcare Institute (MAXHEALT IN) replace Hero Motocorp (HMCL IN) and Indusind Bank (IIB IN) in the NIFTY Index (NIFTY INDEX) in September.
There are 5 constituent changes to the Nifty 100 Index (NSE100 INDEX) leading to 4 changes for the NSE Nifty Next 50 Index (NIFTYJR INDEX). 
There will be global passive buying in Swiggy (SWIGGY IN) on Tuesday. Then there will be net selling in the stock at the close on 29 September.


NIFTY50/NEXT50 Index Rebalance: Bunch Of (Mostly) Expected Changes; Positioning Increases

<ul>
<li>There are 13 changes a side for the NIFTY Midcap 150 Index at the September rebalance. There are many stocks with flows from passive trackers of other indices.</li>
<li>Estimated one-way turnover is 7.8% resulting in a round-trip trade of INR 18.23bn (US$209m). With over US$43bn tracking the index actively, the impact on the stocks will be much larger.</li>
<li>The adds to the index have outperformed the deletes over the last 5 months and there has been noticeable outperformance in the last couple of weeks.</li>
</ul>


There are 13 changes a side for the NIFTY Midcap 150 Index at the September rebalance. There are many stocks with flows from passive trackers of other indices.
Estimated one-way turnover is 7.8% resulting in a round-trip trade of INR 18.23bn (US$209m). With over US$43bn tracking the index actively, the impact on the stocks will be much larger.
The adds to the index have outperformed the deletes over the last 5 months and there has been noticeable outperformance in the last couple of weeks.


NIFTY MIDCAP150 Index Rebalance: 13 Changes a Side; Lots of Overlap with Other Index Flow

India

Max Healthcare Institute Limited is a leading Indian for-profit private hospital chain that operates 21 healthcare facilities with over 6,000 beds across North India, including Delhi NCR, Haryana, Punjab, Uttarakhand, Maharashtra, Uttar Pradesh, and Odisha. The company provides a wide range of medical and healthcare services across more than 30 specialties, including oncology, cardiac sciences, neurosciences, and orthopedics. Additionally, it offers diagnostic services through Max Lab and home healthcare services via Max@Home. Headquartered in New Delhi, India, the company was founded in 2001.

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Max Healthcare Institute (MAXHEALT IN)

Index Changes and Rate Cuts: Key Events in September 2025

September packs in index rebalances, quarterly expiries, central bank calls, and Fed drama—keeping markets busy amid a light holiday calendar.

Gaudenz Schneider

Quiddity NIFTY Sep25 Results: 13/14 Predictions Correct; Only One Surprise; ~US$1.2bn One-Way

13/14 of our expected ADDs/DELs were correct. The only surprise was the deletion of Swiggy from NIFTY 100 instead of Life Insurance Corp of India....

Janaghan Jeyakumar, CFA

Vikram Solar IPO Trading - Robust Insti-Led Demand; Decent Anchor

Vikram Solar raised about US$238m in its India IPO. In this note, we will talk about the demand and the trading dynamics.

Akshat Shah

NIFTY50/NEXT50 Index Rebalance: Bunch Of (Mostly) Expected Changes; Positioning Increases

The changes to the NIFTY/NIFTYJR indices are mostly on expected lines. The inclusion of HZ could be a surprise. There is positioning in the changes...

Brian Freitas

NIFTY MIDCAP150 Index Rebalance: 13 Changes a Side; Lots of Overlap with Other Index Flow

There are 13 changes for the index in Sep. Estimated one-way turnover is 7.8% and the round-trip trade is INR 18.2bn. There are many stocks with...

Brian Freitas

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