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Big move · China stocks

Eoptolink Technology Inc., Ltd. (300502) tumbles 7.5% to CNY 306.01

It traded 1.7 times its 20-day average volume.

Published 15 October 2026 · Written from Tradzy's price and volume data

Close
CNY 306.01
On the day
−7.5%
Volume
1.7× average
vs 52-week high
−49.9%

Eoptolink Technology Inc., Ltd. closing prices

CNY 300.00CNY 400.00CNY 500.00CNY 600.00Jun '26Jun '26Jul '26Aug '26Sep '26Oct '26CNY 306.01

The last 90 closes up to 15 October 2026. The live chart is on the 300502 page.

What happened

Eoptolink Technology Inc., Ltd. (300502) closed at CNY 306.01 on 15 October 2026, down 7.5% from CNY 330.80 the session before.

It was the second lower close in a row. Over 5 sessions the price is down 19.2%, and over 20 sessions it is down 26.2%.

The close is 49.9% below the highest close of the past year (CNY 610.49 on 25 Jun 2026) and 46.2% above the lowest (CNY 209.29 on 24 Nov 2025).

Trading was heavy: volume was 1.7 times its average of the sessions before.

Across the 20 SZSE stocks we track, 5 closed higher and 14 closed lower that day, with a median change of −0.94%. 300502's change was −7.5%.

This page reports what the price and volume data show. It does not say why the price moved.

The numbers

Previous closeCNY 330.80
CloseCNY 306.01
Change on the day−7.49%
Change over 5 sessions−19.15%
Change over 20 sessions−26.23%
Volume55.59 Million
Average volume, up to 20 sessions before32.76 Million
Volume against that average1.7 times
Highest close in the past yearCNY 610.49 (25 Jun 2026)
Lowest close in the past yearCNY 209.29 (24 Nov 2025)

The full chart and history are on Eoptolink Technology Inc., Ltd. (300502). More from this market: SZSE news today.

More SZSE moves on 15 October 2026

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Built from Tradzy's own price and volume data. It reports what the market did and does not say why. Nothing here is financial advice. See the disclaimer.