TWSE · 6415 · stock

Silergy Corp. (6415) stock price history

Every TWSE trading session of Silergy Corp. from Dec 12, 2013 to Sep 24, 2026: 3,116 daily bars, adjusted for splits and dividends, with minute bars from Sep 15, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.

6415 adjusted close, 2013 to 2026

6415Silergy Corp.
NT$425.50+59.3% over one year
201620182020202220242026
NT$1,292
All time high, 2021
NT$694.00
52 week high, NT$172.98 low
3,116
Daily sessions since 2013

Last updated Sep 24, 2026, the last stored session. Refreshes after each trading day. Full 2013 to 2026 series and minute bars.

6415 key facts

  • Silergy Corp. (6415) closed at NT$425.50 on Sep 24, 2026 on TWSE.
  • 6415's all time high close is NT$1,292, set on Nov 17, 2021; its all time low close is NT$38.85 on Jan 7, 2014.
  • 6415's 52 week range is NT$172.98 to NT$694.00.
  • 6415 returned +59.3% over the year to Sep 24, 2026 and -60.1% over five years.
  • Over ten years 6415 returned +287%, +14.5% a year compounded.
  • 6415's deepest drawdown was -86.2% from Nov 17, 2021 to Nov 21, 2025.
  • DataCedar holds 3,116 daily sessions of 6415 history from Dec 12, 2013 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

6415 price chart, 2013 to 2026

6415 adjusted close, Dec 12, 2013 to Sep 24, 2026NT$40.47NT$128.19NT$406.09NT$1,2862014201620182020202220242026
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

6415 returns

Price return from the last close on or before the window start to Sep 24, 2026, on adjusted closes.

PeriodReturn
1 month-5.4%
3 months-29.7%
6 months+51.9%
Year to date+124.1%
1 year+59.3%
3 years+38.7%
5 years-60.1%
10 years+286.6%
Since Dec 12, 2013+915.7%
Compound annual growth, 12.8 years+19.9%

6415 records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close
NT$1,292 on Nov 17, 2021
All time low close
NT$38.85 on Jan 7, 2014
52 week high
NT$694.00 on Jun 23, 2026
52 week low
NT$172.98 on Nov 24, 2025
Deepest drawdown
-86.2% from Nov 17, 2021 to Nov 21, 2025, not yet recovered
Best single session
+10.0% on Jan 4, 2016
Worst single session
-10.0% on Oct 25, 2018
Volatility, 1 year annualised
69.1%
Sessions closing higher, 1 year
47%
Growth of 1 since 2013
10.2×
Best calendar year
2020, +155%
Worst calendar year
2022, -65%

6415 price history by year

Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2013 starts on Dec 12, 2013; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$190.33NT$694.00NT$181.90NT$425.50+124.1%1.2B178
2025NT$401.25NT$471.24NT$172.98NT$189.83-52.3%687.2M242
2024NT$490.06NT$565.89NT$310.55NT$397.80-18.8%778.1M242
2023NT$421.15NT$653.83NT$238.17NT$490.06+15.6%751.9M239
2022NT$1,250NT$1,265NT$342.46NT$424.07-65.1%639.3M246
2021NT$577.07NT$1,326NT$510.80NT$1,214+109.1%382M243
2020NT$231.51NT$646.94NT$159.78NT$580.68+154.8%622.8M245
2019NT$109.25NT$248.31NT$99.75NT$227.92+111.8%478.9M241
2018NT$160.20NT$183.76NT$87.64NT$107.59-32.8%244.4M245
2017NT$105.84NT$167.98NT$105.61NT$160.20+51.0%239.2M243
2016NT$79.72NT$123.37NT$77.74NT$106.08+34.2%318.8M244
2015NT$59.00NT$94.13NT$49.13NT$79.02+32.4%312.9M246
2014NT$43.51NT$65.66NT$37.62NT$59.69+37.2%268.2M248
2013NT$43.70NT$47.69NT$41.61NT$43.51n/a71.4M14

6415 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$425.50+3.2%
August 2026NT$412.50-0.1%
July 2026NT$413.00-30.9%
June 2026NT$598.00-0.3%
May 2026NT$600.00+40.5%
April 2026NT$427.00+52.0%
March 2026NT$281.00+0.9%
February 2026NT$278.56+0.2%
January 2026NT$278.06+46.5%
December 2025NT$189.83-6.8%
November 2025NT$203.71-7.6%
October 2025NT$220.56-13.8%

About the 6415 data

Daily bars. 3,116 sessions from Dec 12, 2013 to Sep 24, 2026, one row per TWSE trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.

Minute bars. Stored from Sep 15, 2026 forward, most recent session Sep 29, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.

Time and currency. Session dates are TWSE trading days; minute timestamps are UTC. Prices are in TWD. Volume is shares traded on the session.

Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Dec 12, 2013, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.

curl "https://api.datacedar.com/v3/stocks/6415/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

6415 share price history

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