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

Index Rebalance

<ul>
<li>There are 39 adds/34 deletes for the JPX Nikkei 400 Index to bring the number of index constituents back to 400. There are stocks with multiple days ADV to trade.</li>
<li>Based on the adds, deletes and capping changes, we estimate one way turnover of 6.7% and a round-trip trade of JPY 946bn (US$6.4bn).</li>
<li>The adds have outperformed the deletes over the last year and there has been a move higher in the last few days too.</li>
</ul>


There are 39 adds/34 deletes for the JPX Nikkei 400 Index to bring the number of index constituents back to 400. There are stocks with multiple days ADV to trade.
Based on the adds, deletes and capping changes, we estimate one way turnover of 6.7% and a round-trip trade of JPY 946bn (US$6.4bn).
The adds have outperformed the deletes over the last year and there has been a move higher in the last few days too.


JPX Nikkei 400 Index Rebalance: US$6.4bn Round-Trip Trade Coming Up

Derivatives and Quantitative Strategist

Gaudenz Schneider

Event-Driven

<ul>
<li>Ahead of the Bank of Japan’s <strong>31 July 2025</strong> policy meeting, markets broadly expect rates to remain on hold at 0.5%.</li>
<li>The new US–Japan trade deal may influence the tone of the upcoming quarterly outlook—if not the rate decision itself.</li>
<li>With limited precedent for rate changes but a high rate of surprises when they do occur, this Insight combines historical data with option-implied volatility to help investors assess tail risks.</li>
</ul>


Ahead of the Bank of Japan’s 31 July 2025 policy meeting, markets broadly expect rates to remain on hold at 0.5%.
The new US–Japan trade deal may influence the tone of the upcoming quarterly outlook—if not the rate decision itself.
With limited precedent for rate changes but a high rate of surprises when they do occur, this Insight combines historical data with option-implied volatility to help investors assess tail risks.


Bank of Japan’s Rate Decision on 31 July: Market Calm, Watch for Tail Risk

Asia Pac ECM and Index Rebal, Shenton Research

Ke Yan, CFA, FRM

Asia Pac ECM and Index Rebal

Asia Pac IPO & Placement Research, China Biotech

DZT Research

DZT Research is an independent Asia Pacific equity specialist. Our quantitative research covers index rebalancing flows, alongside exchange data analytics accross Asia Pacific. On the equity capital markets side, we focus on Asia Pacific ECM, especially biotech and TMT. Our lead analyst is frequently cited by international media.

Quantitative Analysis

<ul>
<li>We analyzed the changes in margin trading positions of JPX stocks as of Jul 11th. The aggregated net margin trading position is USD17,320m.</li>
<li>We tabulate league tables for top/bottom net long/short of margin trading by value, net margin buy as multiple of ADT.</li>
<li>We highlight net margin buy/sell changes in Fast Retailing, Disco, Mitsubishi Heavy Industries, Sanrio, Lasertec, Kawasaki Heavy Industries, Ntt Data, Fujikura, Nintendo, Tokyo Electric Power Company.</li>
</ul>


We analyzed the changes in margin trading positions of JPX stocks as of Jul 11th. The aggregated net margin trading position is USD17,320m.
We tabulate league tables for top/bottom net long/short of margin trading by value, net margin buy as multiple of ADT.
We highlight net margin buy/sell changes in Fast Retailing, Disco, Mitsubishi Heavy Industries, Sanrio, Lasertec, Kawasaki Heavy Industries, Ntt Data, Fujikura, Nintendo, Tokyo Electric Power Company.


JPX Margin Trading Weekly (Jul 11th): Fast Retailing, Disco, Mitsubishi Heavy Industries, Sanrio

<ul>
<li>We analyzed the changes in margin trading positions of JPX stocks as of Jun 20th. The aggregated net margin trading position is USD17,331m.</li>
<li>We tabulate league tables for top/bottom net long/short of margin trading by value, net margin buy as multiple of ADT.</li>
<li>We highlight net margin buy/sell changes in Advantest, Disco, Mitsubishi Heavy Industries, Lasertec, Skylark, Isuzu Motors, Softbank, Joyful Honda, Nippon Steel, Mitsubishi Ufj Financial.</li>
</ul>


We analyzed the changes in margin trading positions of JPX stocks as of Jun 20th. The aggregated net margin trading position is USD17,331m.
We tabulate league tables for top/bottom net long/short of margin trading by value, net margin buy as multiple of ADT.
We highlight net margin buy/sell changes in Advantest, Disco, Mitsubishi Heavy Industries, Lasertec, Skylark, Isuzu Motors, Softbank, Joyful Honda, Nippon Steel, Mitsubishi Ufj Financial.


JPX Margin Trading Weekly (Jun 20th): Advantest, Disco, Mitsubishi Heavy Industries, Lasertec

<ul>
<li>With Japan’s policy rate at 0.5% and the last hike in January 2025, markets are closely watching the BoJ’s next move on June 17.</li>
<li>Historical data shows limited market impact from anticipated rate decisions—but rare surprises, like the July 2025 hike, have triggered outsized index reactions.</li>
<li>While historical data and current option pricing suggest the June BoJ decision is unlikely to move markets significantly, investors should be aware of low-probability tail risk when positioning.</li>
</ul>


With Japan’s policy rate at 0.5% and the last hike in January 2025, markets are closely watching the BoJ’s next move on June 17.
Historical data shows limited market impact from anticipated rate decisions—but rare surprises, like the July 2025 hike, have triggered outsized index reactions.
While historical data and current option pricing suggest the June BoJ decision is unlikely to move markets significantly, investors should be aware of low-probability tail risk when positioning.


Bank of Japan's June Policy Decision: A Non-Event for Markets?

Japan

KEYENCE CORPORATION develops, manufactures, and sells sensors and measuring instruments used for factory automation (FA) and high technology hobby products. The Company's products include fiber optic sensors, photoelectric sensors, programmable logic controllers (PLC), laser scan micrometers, bar code readers, and radio-controlled model cars.

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Keyence Corp (6861 JP)

JPX Nikkei 400 Index Rebalance: US$6.4bn Round-Trip Trade Coming Up

There are 39 adds/34 deletes for the JPX Nikkei 400 Index resulting in a one-way turnover of 6.7% and a round-trip trade of JPY 946bn (US$6.4bn)....

Brian Freitas

Bank of Japan’s Rate Decision on 31 July: Market Calm, Watch for Tail Risk

Reminder: The Bank of Japan’s policy decision is due today around noon (31 July). Markets remain calm, with the Nikkei 225 and implied volatility...

Gaudenz Schneider

JPX Margin Trading Weekly (Jul 11th): Fast Retailing, Disco, Mitsubishi Heavy Industries, Sanrio

We analyzed JPX margin trading positions report for the past week and highlighted Fast Retailing (9983 JP), Disco (6146 JP), Mitsubishi Heavy...

Ke Yan, CFA, FRM

JPX Margin Trading Weekly (Jun 20th): Advantest, Disco, Mitsubishi Heavy Industries, Lasertec

We analyzed JPX margin trading positions report for the past week and highlighted Advantest (6857 JP), Disco (6146 JP), Mitsubishi Heavy Industries...

Ke Yan, CFA, FRM

Bank of Japan's June Policy Decision: A Non-Event for Markets?

Stay ahead of potential tail risks: with the Bank of Japan's crucial rate decision just two days away, this analysis reveals why the June 17...

Gaudenz Schneider

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