Changeflow GovPing Securities & Markets INUNEKO-SEIKATSU (556A) First-Day Listing Match...
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INUNEKO-SEIKATSU (556A) First-Day Listing Matching Mechanism

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Summary

Osaka Exchange published the special matching mechanism applicable to INUNEKO-SEIKATSU Co., Ltd. (code: 556A) on its first listing day, April 23, 2026. The order book center price is set at JPY 2,990 (public offering or secondary distribution price), with an upper limit of JPY 6,880 (230%) and a lower limit of JPY 2,243 (75%). Buy and sell market orders are prohibited on the listing date until the initial price is determined. Acceptable order prices range from JPY 748 (25%) to JPY 11,960 (400%) of the order book center price.

“For issues listing for the first time, buy and sell market orders will be prohibited in transactions carried out on the listing date.”

TSE , verbatim from source
Published by TSE on jpx.co.jp . Detected, standardized, and enriched by GovPing. Review our methodology and editorial standards .

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GovPing monitors Osaka Exchange for new securities & markets regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 6 changes logged to date.

What changed

Osaka Exchange published the special matching mechanism applicable to INUNEKO-SEIKATSU Co., Ltd. (code: 556A) on its first listing day, April 23, 2026. The order book center price is set at JPY 2,990 (public offering or secondary distribution price), with an upper limit of JPY 6,880 (230%) and a lower limit of JPY 2,243 (75%). Buy and sell market orders are prohibited on the listing date until the initial price is determined. Acceptable order prices range from JPY 748 (25%) to JPY 11,960 (400%) of the order book center price. Brokerages and investors trading on the 556A listing day must ensure order entry systems accommodate the special price-interval mechanics and do not submit market orders for first-time listed issues until the initial price is confirmed.

This is a routine pre-listing market notice describing standard exchange mechanisms for new listings, not a change to market rules. Market participants should note the specific price limits and the market-order prohibition for first-day trading of 556A.

Archived snapshot

Apr 22, 2026

GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.

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  3. Market News Update : Apr. 22, 2026 # Market News

Apr. 22, 2026 TSE Matching Mechanism for the First Day of Listing: INUNEKO-SEIKATSU Co.,Ltd.

Post INUNEKO-SEIKATSU Co.,Ltd. (code: 556A) will be listed on Apr. 23.
The matching mechanism to be applied to INUNEKO-SEIKATSU Co.,Ltd. until the initial price is determined is shown below.
This special matching mechanism is applied to first-time listed issues until its initial price is determined.

  1. Order book center price
    JPY 2,990 (public offering or secondary distribution price)

  2. Quote renewal
    (1) Initial special quote
    An initial special (bid or ask) quote will be indicated at the order book center price.
    *) If there is a matching quote within the special quote renewal price interval from the order book center price at the beginning of trading session, matching will occur instantly.

(2) Upper limit
Upper limit price: JPY 6,880 (230% of the order book center price)
Quote renewal: JPY 150 (5% of the order book center price) in 10-minute intervals
A special bid quote will be raised by JPY 150 at intervals of 10 minutes up to JPY 6,880 or until an initial price is determined.
*1) Trading may be executed if a matching quote is within the range of the special quote renewal price interval.
*2) If the calculated price of the next special bid quote to be shown is less than the next tick, a special bid quote may be rounded up to the price of the next tick.
*3) If the regular special quote renewal price interval is larger than the above renewal price interval, such quote will be renewed at the normal price and time intervals.
*4) The cap for the initial price is the above upper limit price plus the regular renewal price interval.

(3) Lower limit
Lower limit price: JPY 2,243 (75% of the order book center price)
Quote renewal: Regular renewal price and time intervals
A special ask quote is renewed in the same way as other issues, that is, based on the same price and time intervals.
*) The floor for the initial price is the above lower limit price less the regular renewal price interval.

  1. Daily price limits
    The daily price limits will not apply until the initial price is determined.
    Once the initial price is determined, the daily price limits will apply with the initial price set as the base price.

  2. Acceptable order price range
    Between JPY 748 (25% of the order book center price) and JPY 11,960 (400% of the order book center price)
    Once the initial price is determined, the daily price limits will apply with the initial price set as the base price.

  3. Prohibition of market order
    For issues listing for the first time, buy and sell market orders will be prohibited in transactions carried out on the listing date.
    If no trades are executed on the initial listing date, buy and sell market orders will be prohibited until the day on which the initial price is determined.

DISCLAIMER: This translation may be used only for reference purposes. This English version is not an official translation of the original Japanese document. In cases where any differences occur between the English version and the original Japanese version, the Japanese version shall prevail. Tokyo Stock Exchange, Inc., Japan Exchange Group, Inc., and/or Japan Exchange Regulation shall individually or jointly accept no responsibility or liability for damage or loss caused by any error, inaccuracy, or misunderstanding with regard to this translation.

Contact

Tokyo Stock Exchange Inc. Equities Department (Trade Supervision Group)
TEL:+81-3-3666-0141

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Last updated

Classification

Agency
TSE
Published
April 22nd, 2026
Instrument
Notice
Branch
Executive
Legal weight
Non-binding
Stage
Final
Change scope
Minor

Who this affects

Applies to
Investors Public companies
Industry sector
5231 Securities & Investments
Activity scope
IPO trading mechanism First-day listing rules
Geographic scope
Japan JP

Taxonomy

Primary area
Securities
Operational domain
Finance
Topics
Financial Services Banking

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