Skip to main content

OPC 1321

Close 32.65 ▼ 0.25 (−0.76%)
End-of-day data, not real-time quotes
Four-Light Health Check
Overall score 53/ 100
Average Unchanged vs. yesterday
  • 📈 Fundamentals 🟢 Strong Same as yesterday
  • 👁 Flows 🟡 Neutral Same as yesterday
  • 📊 Technicals 🟡 Neutral Same as yesterday
  • 💰 Valuation 🟡 Neutral Same as yesterday
💡 Worth noting today
  • Valuation P/E of 268.8x sits in the historically cheap band bullish
  • Technical KD in the low zone below 20 (K 12.0 / D 16.9) bullish
Health check

OPC (1321) Four-Light Health Check

Loading…

💡 In one line: ()

Weighting:📈 Fundamentals %|👁 Flows %|📊 Technical %|💰 Valuation %

OPC (1321)

Overall health score / 100

weight %

→
Four-light detail
  • 📈 Fundamentals -
  • 👁 Flows -
  • 📊 Technicals -
  • 💰 Valuation -
The underlying four-light factors are VIP content

VIP shows the actual value, rule and note of every factor, with no daily limit.

VIP unlocks
  • Unlimited access to the factors and rules behind every stock/ETF four-light health check
  • P/E and P/B valuation river charts
  • Full sector health rankings and relative positioning
  • Post-close LINE alerts for your watchlist
For more filters, go to Smart Screener

Data as of: |This site is not a licensed securities investment consultancy. The four lights are a statistical summary of public information and do not constitute investment advice.

OPC (1321) Technical indicators

End-of-day data, not real-time quotes
  • Open 32.75
  • High 33
  • Low 32.5
  • Close 32.65
  • Volume 253
  • Prev close 32.9

OPC (1321) today trades below the 5-day MA, 20-day (monthly) MA and 60-day (quarterly) MA. The MACD histogram stays negative and is widening, KD is 12 (already in the oversold zone below 20), RSI is 37 with soft short-term momentum.

Signals today

  • ● KD is 12, in the oversold zone below 20
  • ● MACD keeps a negative histogram

Indicator values

Item Value
Close 32.65
5-day MA 33.06
20-day (monthly) MA 34.61
60-day (quarterly) MA 33.20
120-day (half-yearly) MA 32.12
240-day (yearly) MA 32.85
K (9) 11.98
D (9) 16.89
RSI (14) 36.53
Bollinger upper band (20) 36.68
Bollinger lower band (20) 32.55
DIF (12,26) -0.11
MACD (9) 0.22
OSC histogram -0.33
Volume (lots) 253
20-day avg. volume (lots) 258
Volume ratio (volume ÷ 20-day avg.) 0.98
Indicator

OPC (1321) Monthly revenue

Latest revenue for 10/2026 was NT$298.58M, MoM -9.89%, YoY +10.65%.
Cumulative revenue through 10/2026 was NT$3.12B, cumulative YoY +3.17%.
Full-year 2025 revenue was NT$3.56B.
Month Close Revenue (NT$M) MoM change YoY change YTD vs. same period last year
Month Close Revenue (NT$M) MoM change YoY change YTD vs. same period last year
A professional algo-trading development team at your service
Algo-trading development

OPC (1321) EPS

Latest EPS for Q3 2026 was NT$-0.2, QoQ -133%, YoY -43%.
Cumulative EPS through Q3 2026 was NT$0.57, YoY -177%.
Full-year 2025 EPS was NT$-1.25.

Income statement

Year / quarter Close Revenue (NT$M) Gross profit Operating income Net income EPS

OPC (1321) Profitability

ROE / ROA (%)

Year / quarter Close Quarterly ROE Trailing 4Q ROE Quarterly ROA Trailing 4Q ROA

OPC (1321) — is it a buy?

P/E river chart

The P/E river chart is a valuation tool best suited to companies with stable earnings.

Rising river: earnings power is steadily improving.
Flat river: earnings power is relatively stable.
Falling river: earnings power is deteriorating.

The chart splits P/E into three bands: red, yellow and blue.
The current price sits in the blue band, meaning the share price is at a relatively low level
The P/E river chart is VIP content

Unlock to see the last 5 years of the P/E river chart

VIP unlocks
  • Unlimited access to the factors and rules behind every stock/ETF four-light health check
  • P/E and P/B valuation river charts
  • Full sector health rankings and relative positioning
  • Post-close LINE alerts for your watchlist

P/B river chart

The P/B river chart is a valuation tool best suited to companies with unstable earnings, such as cyclicals.

Rising river: book value is steadily improving.
Flat river: book value is relatively stable.
Falling river: book value is deteriorating.

The chart splits P/B into three bands: red, yellow and blue.
Based on the latest book value, the current price sits in the yellow band, meaning the share price is in the middle of its range.
The P/B river chart is VIP content

Unlock to see the last 5 years of the P/B river chart

VIP unlocks
  • Unlimited access to the factors and rules behind every stock/ETF four-light health check
  • P/E and P/B valuation river charts
  • Full sector health rankings and relative positioning
  • Post-close LINE alerts for your watchlist

OPC (1321) Dividend policy

The latest ex-dividend date was 2025/08/22, distribution No.1 of 2025, paying a cash dividend of NT$0.38, a cash yield of 1%.
Over the past five years the average cash dividend was NT$0.3, for an average cash yield of 0.78%.
Year Ex-date Price before ex-date Cash dividend Payment date Cash yield Stock dividend

OPC (1321) Institutional flows, margin & short

Date Foreign Inv. Trust Dealer Total
Date Margin balance (lots) Short balance (lots) Short/margin ratio (%)

sector ranking

Ticker Health score Close Change Volume Turnover (100M)

()
(this stock)

OPC (1321) — what it does

OPC (1321) full name: OPC, in the 塑膠工業 sector, with paid-in capital of 22.72 億 and a market cap of 74.19 億.
Founded on 1965/06/07, listed on the TWSE on 1999/01/26,
its principal business is 塑膠原料之製造及銷售、塑膠製品之製造及銷售、塑膠工業附帶原料之製造及銷售.

Company OPC Website
Chairman 陳欽明 President 陳欽明
Founded 1965/06/07 TWSE listing date 1999/01/26
Industry 塑膠工業 Business tax ID 15024509
Address 台北市莒光路310號5,6樓
Main business 塑膠原料之製造及銷售、塑膠製品之製造及銷售、塑膠工業附帶原料之製造及銷售
Paid-in capital 22.72 億
Ordinary shares issued 2.27 億 shares
Market cap 74.19 億 (2026/11/12)
Preferred shares 0 shares
Auditor 安侯建業聯合會計師事務所
Transfer agent 凱基證券(股)公司股務代理部

Recommended brokerage accounts

如果想要開戶,目前新光證券的開戶好禮最多,新戶贈送證券期貨手續費折抵金 3000 元

也可以參考 Win投資證券開戶彙整 ,有更簡潔完善的資訊分享,包含特色、開戶禮等。

名稱台股手續費新戶禮
新光證券
(開戶點我)
手續費 0 元
每月電子下單 100 萬以內
  • 享手續費折扣優惠 + $3,000 以上手續費抵用金
  • 定期定額年年有獎勵,500元真優惠
  • 開戶次月底前下單再送10000元新光幣/LINE POINTS等好禮
  • 立即體驗富貴角 XQ 下單系統,專業功能全免費
  • 2026/1/1 ~ 2026/12/31
玉山證券
(開戶點我)
2026 年 10 月起調降手續費率超低優惠。
詳 官網

新戶禮 $108 手續費回饋金

活動日期到 2027/9/30

國泰證券
(開戶點我)
最低手續費 1 元

完成體驗登記+首筆成交回饋 300 元7-11數位商品卡券

2026/1/1~2026/12/31

口袋證券
(開戶點我)
優惠價查詢

開立台股或台+美股送 $300 手續費折抵金

2026/10/1~12/31

(資料來源:各券商,最新資訊以各券商為主。資料整理:Win 投資)

My Watchlist

Sign in to build and track your own watchlist. Once you add symbols, you get a full closing report every day: health check, technical changes and a comparison against the TAIEX.

Popular News

Popular Articles

🤖 New: AI Investment Assistant (answers in Chinese). Chat to look up Taiwan stocks and ETFs, with tables and charts [👉 Try it free]
Out of free views? VIP gets four-light health checks on any stock and unlimited Smart Screener runs [👉 Unlock now]