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3592

瑞鼎 Semiconductor As of 2026-06-17 Updated daily after market close

steady quality, fair valuation, no active signal today.

This page refreshes daily after the close. Add 瑞鼎 to your watchlist to track signal changes on your next visit.
Valuation 66Quality 54Growth 62Momentum 46Chips 11

Is 瑞鼎 a buy? Fundamentals and valuation first

  • Above-average profitability.Operating margin is in the 46th market percentile. Latest quarterly ROE ≈ 2.6%.

  • Valuation is neutral.PE is in the 36th market percentile; within its own history, PE is around the 82th percentile.

  • Foreign investors are net selling.Foreign 20-day net flow ≈ -4.9% of volume (net sell).

Chip flow

Bullish +0.83
BearishNeutralBullish

Single-sided accumulation, concentration rising — bullish

  • Single-sided accumulation, concentration rising — bullish
  • 國泰證券 holds 1,845 lots
  • sellers have 260 lots left, ~28 sessions to clear

Window from 2026-01-17 · Price +19% · branches to 2026-06-17· TDCC to 2026-06-12

  • Largest holder 國泰證券 has accumulated 1,845 lots since the start (sold 0%), still adding.
  • Main distributor 國泰-敦南 peaked at 148 lots, has sold 63%, 55 left, ~28 sessions to clear at the recent pace.
  • TDCC big holders (absolute) >1000-lot holders +9.00pp, mid holders +1, retail -3.82pp — concentration shifting upward.
  • Foreign hedge-desk net short Net short -4,124 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
國泰證券富邦證券統一凱基康和群益金鼎
Distributing
國泰-敦南元大-羅東永豐金-匯立康和-台南國票證券元大-樹林
Desks
own scale
台灣摩根士丹利美商高盛華南永昌-高雄摩根大通
Price Accumulating & Distributing share one scale (comparable); Desks is independent. Zero is the baseline
Branch details Unit: lots

Accumulating

  • 國泰證券 +1,845
    sold 0%· still adding
  • 富邦證券 +640
    sold 0%· still adding
  • 統一 +573
    sold 0%
  • 凱基 +562
    sold 0%· still adding
  • 康和 +530
    sold 0%
  • 群益金鼎 +451
    sold 0%· still adding

Distributing

  • 國泰-敦南 55 left
    sold 63%· ~28 sessions to clear
  • 元大-羅東 56 left
    sold 52%· ~23 sessions to clear
  • 永豐金-匯立 41 left
    sold 53%· ~9 sessions to clear
  • 康和-台南 11 left
    sold 82%· paused recently
  • 國票證券 14 left
    sold 74%· paused recently
  • 元大-樹林 8 left
    sold 85%· paused recently

Desks

  • 台灣摩根士丹利 -1,125
    hedge desk · will cover
  • 美商高盛 -900
    hedge desk · will cover
  • 華南永昌-高雄 -718
    unclassified
  • 摩根大通 -684
    hedge desk · will cover
Still selling 260 lots ~28 sessions to bottom at most
Recent buy/sell force +751 absorbed / -195 sold buyers slightly ahead
Hedge-desk net short -3,939 lots potential cover-buying, not selling pressure
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

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.

PE percentile bandSample days240-day avg returnMedianWin rateAvg excess (vs index)
0-20 0Insufficient data
20-40 1Insufficient data
40-60 62-23.9% -22.3% 0% -112.9%
60-80 22Insufficient data
80-100 You are here0Insufficient data

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 ≈ 17.25, at the 81.5th percentile of its own history (80-100 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
Insufficient data
(0d)
-29%
Win rate 0% Excess -52.4%
48d
Now
Insufficient data
(1d)
60-day momentum down
Insufficient data
(0d)
-12.3%
Win rate 21.4% Excess -50.8%
154d
Insufficient data
(2d)

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.

252-day price high (breakout)

Pending

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

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).

52 times historically; 60-day forward avg -7.45%, win rate 28.6%, beating the market by -8.55 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.

16 times historically; 60-day forward avg -1.43%, win rate 46.7%, beating the market by -8.16 pts on average.

What does 瑞鼎 do? Company profile

半導體業；IC設計；顯示驅動IC、觸控IC、時序控制IC與電源管理IC 台灣證券交易所上市

Overview

3592 對應瑞鼎科技股份有限公司，為台灣證券交易所上市普通股。公司成立於 2003 年 10 月，總部位於新竹科學園區。公開資料顯示董事長為黃裕國；2026 年 2 月法人說明會列示總經理/President 為溫志堅。公司於 2022-01-07 掛牌上市。2026 年第一季法人說明會列示資本額約新台幣 7.59 億元，員工人數 1,168 人（2025-12-31）。2026-03-29 主要股東包括康利投資 15.10%、達利投資 3.03%、匯豐受託保管 CIM 投資基金 ICAV 投資專戶 1.98%、晉欣營造 1.58%、達利貳投資 1.31%、群益台灣半導體收益 ETF 專戶 1.30%、瑞鼎員工持股信託專戶 1.29% 等。公司亦屬明基友達集團相關企業，公開資訊與產業資料均顯示友達光電為重要下游客戶/關係企業。

Business

瑞鼎為顯示相關 IC 設計公司，主要產品包括大尺寸顯示驅動 IC、AMOLED 中小尺寸驅動 IC、車載/工控驅動 IC、觸控 IC、時序控制 IC（TCON）與電源管理 IC（PMIC）。應用涵蓋智慧型手機、平板、筆電、桌上型螢幕、電視、穿戴式裝置、車載儀表板、中控顯示器、抬頭顯示器與工控顯示。商業模式以無晶圓 IC 設計為主，委外晶圓代工、封裝與測試，再銷售給面板廠、模組廠或品牌供應鏈。2025 年營收約新台幣 224.0 億元，產品組合約為大尺寸驅動/時序控制/電源管理 IC 35%、中小尺寸 AMOLED 驅動 IC 48%、車載/工控驅動 IC 17%；2026 年第一季產品組合約為大尺寸 37%、中小尺寸 AMOLED 44%、車載/工控 19%。第三方產業資料指出 2024 年銷售區域以中國大陸含香港約 80%、台灣約 17% 為主，主要銷售對象以友達光電為重要客戶。

Outlook 2025–2028

2025 至 2026 年的明確公開資料顯示，瑞鼎成長動能集中在三條主線：第一，中小尺寸 AMOLED 驅動 IC 受惠於手機、穿戴與 IT/NB AMOLED 滲透率提升，但智慧型手機端仍受終端需求、記憶體價格與客戶備貨節奏影響；第二，車載/工控驅動 IC 與車載 TCON、Bridge、TDDI 因車內顯示器數量增加、車規 AEC-Q100 與安全功能需求提升，產品占比由 2025 年 17% 升至 2026 年第一季 19%，公司法說稱需求維持穩健成長；第三，大尺寸驅動 IC、TCON、PMIC 在 TV、NB、Monitor 仍有週期性需求，2026 年第二季公司預期受 AI 需求排擠上游晶圓代工與封測產能、成本上升與品牌提前備貨影響，需求動能增溫。2027 至 2028 年未見公司提供量化財測，依產業趨勢推估，AMOLED 往 NB/IT 與高階穿戴擴散、車用顯示器規格升級、低功耗與高整合 TDDI/PMIC/TCON 方案，應是主要中期機會；風險包括中國面板與驅動 IC 供應鏈競爭、DDIC 價格循環、終端消費電子需求波動、匯率、新台幣升值對毛利率影響、AI/HPC 排擠成熟製程與封測產能造成成本上升，以及大客戶集中與中國大陸銷售占比較高的地緣政治/關稅風險。

Supply Chain

Upstream
  • 台積電 2330 晶圓代工供應鏈；鉅亨網上市前報導與 MoneyDJ 產業資料均列為瑞鼎晶圓主要供應商之一。
  • 聯電 2303 晶圓代工供應鏈；產業資料列為瑞鼎晶圓主要供應商之一。
  • 世界先進 5347 晶圓代工供應鏈；產業資料列為瑞鼎晶圓主要供應商之一。
  • 中芯國際 晶圓代工供應鏈；香港上市 0981.HK，非台股掛牌，產業資料稱瑞鼎近年新增中芯國際。
  • 頎邦科技 6147 面板驅動 IC 封裝/測試供應鏈；MoneyDJ 產業資料列為瑞鼎 IC 封裝供應商之一。
  • 易華電子 6552 COF/面板驅動 IC 相關封裝材料與供應鏈；MoneyDJ 產業資料列為瑞鼎 IC 封裝供應商之一，實際業務連結需以公司最新揭露為準。
  • LG MoneyDJ 產業資料列為瑞鼎 IC 封裝供應商之一；韓國企業，非台股掛牌，具體法人主體未在來源中細分。
Downstream
  • 友達光電 2409 明基友達集團關係企業與重要下游客戶；產業資料稱瑞鼎客戶以母公司友達為主，主要銷售對象為友達光電。
  • 中國大陸與香港面板/模組客戶 第三方產業資料指出 2024 年銷售區域中國大陸含香港約 80%；具體客戶名單未由公司完整公開揭露。
  • 智慧型手機、穿戴、IT、TV、車載與工控終端供應鏈 公司產品應用下游，包括手機、平板、筆電、螢幕、電視、穿戴裝置、車載顯示與工控顯示；多為應用市場或未逐名揭露客戶。

Competitors

  • 聯詠科技 3034 台股上市 IC 設計公司，主要競爭領域含 LCD/OLED 顯示驅動 IC、TCON 等。
  • 矽創電子 8016 台股上市 IC 設計公司，顯示驅動 IC 與感測/電源相關產品競爭者。
  • 天鈺科技 4961 台股上市 IC 設計公司，面板驅動 IC、電源管理 IC 等領域競爭者。
  • 敦泰電子 3545 台股上市 IC 設計公司，觸控與顯示整合 IC 相關競爭者。
  • 奇景光電 Himax Technologies，美國 Nasdaq 上市，非台股掛牌；顯示驅動 IC 重要競爭者。
  • 奕力科技 原台灣顯示驅動 IC 業者，已併入聯發科體系，非獨立台股上市櫃公司。
  • 三星電子 韓國上市大型半導體與顯示供應鏈業者，非台股掛牌；在顯示驅動與面板生態系具競爭關係。
  • Renesas Electronics 日本上市半導體公司，非台股掛牌；MoneyDJ 列為 LCD 驅動 IC 國外競爭廠商之一。
  • Magnachip Semiconductor 海外上市/境外半導體公司，非台股掛牌；MoneyDJ 列為 LCD 驅動 IC 國外競爭廠商之一。
  • Solomon Systech 香港上市顯示 IC 公司，非台股掛牌；MoneyDJ 列為 LCD 驅動 IC 國外競爭廠商之一。
Sources（14）

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.