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2491

吉祥全 Optoelectronics As of 2026-06-17 Updated daily after market close

quality needs a look, discounted valuation.

1 active signal

252d high

This page refreshes daily after the close. Add 吉祥全 to your watchlist to track signal changes on your next visit.

Is 吉祥全 a buy? Fundamentals and valuation first

Weak profitability.Operating margin is in the 3th market percentile. Latest quarterly ROE ≈ 8.4%.
Valuation is low.PE is in the 11th market percentile; within its own history, PE is around the 46th percentile.
Foreign investors are net buying.Foreign 20-day net flow ≈ 4.1% of volume (net buy).
Signals are active now.On the latest data, signals such as 252-day price high are active — see the historical forward returns after each occurrence below.

Chip flow

Bullish +0.88

BearishNeutralBullish

Single-sided accumulation, concentration rising — bullish

Single-sided accumulation, concentration rising — bullish
國票-北投 holds 1,216 lots
sellers have 1,001 lots left, ~160 sessions to clear

Window from 2026-01-17 · Price +92% · branches to 2026-06-17· TDCC to 2026-06-12

Largest holder 國票-北投 has accumulated 1,216 lots since the start (sold 0%), still adding.
Main distributor 美商高盛 peaked at 394 lots, has sold 62%, 151 left, paused recently.
TDCC big holders (absolute) >1000-lot holders +1.50pp, mid holders +6, retail -4.65pp — concentration shifting upward.
Foreign hedge-desk net short Net short -84 lots (inferred from branch profile, mostly hedging — not necessarily bearish, not case-confirmed).

Branch inventory reconstruction

Accumulating holders Branches that accumulated shares during the window and still hold positive inventory; they are the absorbing side.

Distributing sellers Branches that built inventory earlier and have been selling it down; the remaining number estimates what has not cleared.

Net-short desks Trading-desk branches with negative inventory or net selling, often hedge, offsetting, or short-term flow. It is not automatically a bearish view.

Accumulating

國票-北投台新-新莊凱基-桃園兆豐-大同新加坡商瑞銀國票-內壢

Distributing

美商高盛凱基-台北華南永昌群益金鼎-士林群益金鼎凱基

Desks

own scale

中國信託-高雄新光-台南元大-和平元大-土城學府

Price Accumulating & Distributing share one scale (comparable); Desks is independent. Zero is the baseline

Branch details Unit: lots

Accumulating

國票-北投 +1,216

sold 0%· still adding
台新-新莊 +1,057

sold 0%· still adding
凱基-桃園 +818

sold 5%· still adding
兆豐-大同 +450

sold 0%· still adding
新加坡商瑞銀 +348

sold 0%· still adding
國票-內壢 +342

sold 0%· still adding

Distributing

美商高盛 151 left

sold 62%· paused recently
凱基-台北 167 left

sold 52%· ~16 sessions to clear
華南永昌 239 left

sold 27%· ~31 sessions to clear
群益金鼎-士林 143 left

sold 31%· ~23 sessions to clear
群益金鼎 61 left

sold 70%· ~5 sessions to clear
凱基 20 left

sold 89%· paused recently

Desks

中國信託-高雄 -647

unclassified
新光-台南 -608

unclassified
元大-和平 -300

unclassified
元大-土城學府 -172

unclassified

Still selling 1,001 lots ~160 sessions to bottom at most

Recent buy/sell force +4,057 absorbed / -688 sold buyers slightly ahead

TDCC big holders · absolute-holding cross-check

>1000-lot holder share Retail (<400 lots) share Price (right axis)

Direction matches: big-holder share rose while retail share fell.

Describes chip flow, not investment advice. Branch data discloses only high-volume branches with ~1-day lag; TDCC is weekly. Inventory is a relative reconstruction from the window start, not absolute holdings.

Historical evidence

Signals active now

These signals are true on the latest data, with this stock's own historical forward-return stats after each occurrence.

252-day price high (breakout)

Active

Adjusted close makes a new 252-day high; repeats within 20 days counted once.

20 historical occurrences (since 2011-04-28)

120 days after: historical avg +28.43%

20-day -0.63%

60-day +12.73%

120-day +28.43%

20-day

60-day

120-day

Win

36.8%

42.1%

47.4%

Sample

Median

-7.08%

-4.55%

-19.21%

Excess

-2.64%

+7.29%

+19.96%

Beat mkt rate

42.1%

36.8%

Over 19 occurrences, 120-day forward avg gained 28.43%, beat the market by 19.96 pts; win rate 47.4%.

Valuation regime and subsequent returns

Each day's PE is converted to its own-history percentile (as of that day), then we look at adjusted-close returns over the next 240 trading days by valuation regime.

0-20 +204.8%

20-40 +69.5%

40-60 -23.7% Now

60-80 +5.9%

80-100 +21.7%

PE percentile band	Sample days	240-day avg return	Median	Win rate	Avg excess (vs index)
0-20	179	+204.8%	+193%	100%	+160.1%
20-40	52	+69.5%	+59.7%	100%	+50.4%
40-60 You are here	184	-23.7%	-27.5%	11.4%	-52.3%
60-80	126	+5.9%	-17.9%	48.4%	-26.8%
80-100	230	+21.7%	+16.2%	71.7%	-48.7%

Percentiles use an expanding own-history window (no look-ahead); forward return is 240 trading days on adjusted close. Sample days overlap; distribution is indicative only.

Current PE ≈ 11.44, at the 46.3th percentile of its own history (40-60 band).

Valuation × momentum historical grid

Every day in its own history is bucketed by valuation tercile (own-history PE) and 60-day momentum sign into six cells; we show adjusted-close returns over the next 120 trading days per cell.

Valuation

Momentum

Cheap (own-history bottom 1/3)

Mid

Expensive (own-history top 1/3)

60-day momentum up

+118.8%

Win rate 100% Excess +96%

164d

Now

-1.8%

Win rate 53.1% Excess -10.3%

113d

+6.4%

Win rate 47.9% Excess -17.9%

238d

60-day momentum down

+43.5%

Win rate 100% Excess +17.3%

61d

-17.4%

Win rate 13.8% Excess -25.4%

167d

+12.6%

Win rate 79.7% Excess -33.5%

148d

Currently in “Mid × 60-day momentum up”: across 113 historical days, 120-day forward avg declined 1.8%, win rate 53.1%, lagged the market by 10.3%.

Days = trading days in this bucket; returns use adjusted prices, ex-costs. 60-day momentum: direction of this stock's price over the past 60 trading days.

Signals not active (historical stats for reference)

These are not occurring now; historical samples shown for comparison.

Monthly revenue YoY ≥ 20% (from filing deadline)

Pending

Monthly revenue YoY ≥ 20%; event date is the first trading day after the filing deadline (no look-ahead).

51 times historically; 60-day forward avg +11.42%, win rate 43.5%, beating the market by +7.48 pts on average.

Foreign net buying for 5 straight days

Pending

Foreign net flow (ex-dealer) positive for 5 straight days; event on day 5; repeats within 20 days counted once.

25 times historically; 60-day forward avg -0.71%, win rate 34.8%, beating the market by -5.8 pts on average.

What does 吉祥全 do? Company profile

光電業／LED照明與電子零組件代理銷售台灣證券交易所上市

Overview

2491 對應證券為台灣證券交易所上市普通股，證券簡稱「吉祥全」，公司全名為吉祥全球實業股份有限公司。公司創立於 1995 年 4 月 14 日，前身為訊碟科技股份有限公司，2007 年 6 月更為現名；總部位於新北市新店區中正路54巷6號，營業據點包含新北市、桃園市、台中市、高雄市，生產基地位於桃園市桃園區及楊梅區。公司股票於 2000 年 2 月 21 日於櫃買中心掛牌上櫃，並於 2001 年 9 月 19 日轉於臺灣證券交易所正式掛牌上市。董事長為陳碧華，總經理為羅光偉，發言人為陳碧華，股務代理為凱基證券。實收資本額為新台幣 820,080 仟元，已發行普通股 82,008,000 股。2024 年底永續報告書揭露員工人數為 95 人。主要股東與內部人方面，廣砷投資有限公司為最大股東／法人董事，約持有 15,410 仟股、約 18.8%；陳碧華約持有 6,071 仟股、約 7.4%；羅光偉約持有 5,890 仟股、約 7.2%；羅光立約持有 2,400 仟股、約 2.9%。公司另透過子公司大友國際光電經營 LED 照明相關業務，並有浩瀚動力、大吉祥國際建設、華訊創投、雷博電子等關係企業或投資布局。

Business

公司主要業務為光電照明應用產品製造銷售、電子應用產品及零組件代理與銷售、多媒體資訊產品進出口貿易買賣。核心產品包括 LED 燈具、智能照明系統、專業照明設備，應用於建築室內外照明、商業與零售展示照明、工業區域、道路照明與智慧城市照明。電子應用及多媒體資訊產品包含類比 IC、電源產品、記憶體、MOS、Sensor、被動元件、標籤相關產品，以及電腦、行動裝置、通訊設備、伺服器、消費電子、車載電子與多媒體周邊產品。2025 年（民國 114 年）年報摘要顯示，合併營收新台幣 179,873 仟元，較 2024 年減少約 10%，歸屬母公司業主淨利新台幣 116,917 仟元，EPS 1.43 元；114 年產品營收結構為光電照明應用產品 160,713 仟元、約 89%，電子應用及多媒體資訊產品 16,210 仟元、約 9%，其他 2,950 仟元、約 2%。2024 年永續報告書揭露 2024 年營收 200,828 仟元，光電照明應用產品約 88%，電子應用及多媒體資訊產品約 11%，其他約 1%。商業模式以自有照明品牌／關係企業製造銷售、照明專案與通路銷售、電子零組件代理銷售及多元投資為主；公司產品主要銷售於台灣市場，並與國內外企業合作。

Outlook 2025–2028

2025 至 2028 年展望重點在於本業營收修復、照明產品組合升級、綠色節能與智慧照明需求，以及業外投資價值波動。成長動能包括：一、公司年報提出持續完整化室內照明產品，因應 LED 大眾化市場投入低成本與高性價比燈具開發；二、配合工程案件開發系列化戶外產品，拓展道路、基礎設施、智慧城市與商業照明應用；三、推廣綠色照明、節能產品、智能能源管理、太陽能與儲能解決方案，符合能源轉型與節能法規趨勢；四、電子產品銷售變化快速，公司以新增產品結構、電源產品、記憶體、MOS、Sensor、類比 IC 與多媒體資訊產品補強營運動能；五、公司投資之 SL Bio Ltd. 透過 SPAC 與 Horizon Space Acquisition II Corp. 完成商業合併，轉為 SL Science Holding Limited（股票代碼 SLBT）預計於 2026 年 6 月 15 日在 Nasdaq 掛牌，公司持有 SL Bio Ltd. 30,000 股將轉換為 SLBT 4,545,305 股，可能形成業外評價與資產波動。風險與挑戰包括：LED 照明產業競爭激烈、供需失衡可能造成價格下滑與毛利壓力；公司規模小、營收基期低且波動大，2025 年營收仍較 2024 年下滑；關鍵材料、LED 晶粒／封裝、驅動 IC、電源模組與電子零組件受供應鏈價格與交期影響；匯率、利率、人工成本上升與庫存管理壓力；客戶集中或工程案遞延風險；SLBT 等投資標的屬海外上市或新興技術公司，股價、流動性與會計評價波動可能顯著影響損益。公司已揭露管理措施包含調整銷售策略與客戶分類、研發高毛利新產品、降低原物料採購成本、建立候補與備援供應商制度、推動自動化生產與流程效率改善。

Supply Chain

Upstream

LED晶粒、LED封裝、驅動IC、電源模組、金屬與塑膠機構件供應商公司未公開揭露主要供應商名稱；依產品型態推估，上游包含 LED 晶粒與封裝、類比 IC、MOS、Sensor、記憶體、被動元件、電源模組、散熱與燈具機構材料供應商。
富采控股 3714 台股上市 LED 磊晶、晶粒與光電上游代表公司；作為產業鏈上游參考，未確認為吉祥全直接供應商。
億光電子 2393 台股上市 LED 封裝與光元件公司，屬 LED 照明產業上游／同業競爭者；未確認為吉祥全直接供應商。
致新科技 8081 台股上櫃類比 IC／電源管理 IC 公司，與照明驅動、電子應用產品供應鏈相關；未確認為吉祥全直接供應商。
台達電子 2308 台股上市電源與能源管理大廠，與照明電源、智慧能源、電源模組供應鏈相關；未確認為吉祥全直接供應商。

Downstream

台灣商業照明工程商、建築與室內外照明通路公司揭露產品主要銷售於台灣市場，LED 燈具應用於建築室內外、商業照明與工程案件；未公開主要客戶名單。
零售展示、博物館、商場與專業展示空間客戶公司照明產品應用於零售與展示照明，屬終端應用客群；未公開具名客戶。
工業區域、道路照明與智慧城市基礎設施客戶公司永續報告書列示工業、道路與智慧城市照明為主要應用；未公開具名客戶。
電子零組件代理銷售通路、系統廠與多媒體資訊產品客戶電子應用及多媒體資訊產品下游客群包含電腦、通訊、伺服器、消費電子、車載電子與教育／文宣／生活周邊產品需求端；未公開具名客戶。

Competitors

中電 1611 公司永續報告書明列為 LED 照明燈具領域同業競爭者；台股上市公司。
億光電子 2393 公司永續報告書明列為 LED 照明燈具領域同業競爭者；亦為 LED 封裝與光元件大廠。
亞帝歐光電 3516 公司永續報告書明列為 LED 照明燈具領域同業競爭者；台股上櫃公司。
湯石照明 4972 公司永續報告書明列為 LED 照明燈具領域同業競爭者；台股上櫃公司，主攻專業商用照明燈具設計及製造。
台達電子 2308 LED照明、電源與能源管理相關產業代表公司；非公司永續報告書明列同業，列為廣義照明與能源管理競爭／替代解決方案參考。
光寶科 2301 光電、LED與電源相關產業代表公司；非公司永續報告書明列同業，列為廣義產業競爭參考。

Sources（15）

This company profile is compiled from public sources (annual reports, filings, news and analyst reports), not finlab backtest data; the 2025–2028 outlook contains forward-looking estimates and is for reference only.

Method and limitations

All returns use adjusted close (etl:adj_close), already adjusted for dividends and splits.
Excess return is measured against the TAIEX total-return index (dividends included).
Valuation regime and percentile stats use an expanding own-history window (no future data).
Revenue-signal event dates align to the first trading day after the filing deadline, avoiding look-ahead.
Event samples may overlap in time; stats describe historical distribution only and are less reliable when samples are few.

This page is historical statistics for educational purposes and is not investment advice. Investing involves risk; past performance does not indicate future results. Assess and bear the risk yourself before trading.