Claim Missing Document
Check
Articles

Found 3 Documents
Search

Volatility Analysis of Cryptocurrencies using Statistical Approach and GARCH Model a Case Study on Daily Percentage Change Sarmini, Sarmini; Widiawati, Chyntia Raras Ajeng; Febrianti, Diah Ratna; Yuliana, Dwi
Journal of Applied Data Sciences Vol 5, No 3: SEPTEMBER 2024
Publisher : Bright Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47738/jads.v5i3.261

Abstract

Cryptocurrency has become a significant subject in the global financial market, attracting investors and traders with its high volatility and profit potential. This study analyzes the daily volatility and GARCH volatility of six major cryptocurrencies: Bitcoin (BTC), Ethereum (ETH), Litecoin (LTC), USD Coin (USDC), Tether (USDT), and Ripple (XRP). Daily percentage change data and GARCH volatility are analyzed over specific time periods. The analysis reveals that Bitcoin (BTC) has an average daily percentage change of 0.366%, while Ethereum (ETH) has 0.376%. Litecoin (LTC) shows a daily percentage change of 0.166%, whereas USD Coin (USDC) and Tether (USDT) have very low daily percentage changes, nearly approaching zero. In terms of GARCH volatility, Ethereum (ETH) stands out with a volatility of 0.198, followed by Bitcoin (BTC) with a volatility of 0.121. The study's results indicate that cryptocurrencies are vulnerable to extreme price fluctuations, evidenced by their asymmetry distribution and kurtosis. Volatility correlation analysis reveals significant relationships, important for risk management and portfolio diversification. These findings contribute to understanding cryptocurrency volatility characteristics and aid stakeholders in making informed investment decisions.
Pelatihan Penulisan Artikel Ilmiah Bagi Mahasiswa Kampus Merdeka Fakultas Ilmu Komputer Sarmini, Sarmini; Febrianti, Diah Ratna; Yuliana, Dwi
Jurnal Pengabdian Masyarakat Indonesia Vol 4 No 5 (2024): JPMI - Oktober 2024
Publisher : CV Infinite Corporation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jpmi.3108

Abstract

Pelatihan penulisan artikel ilmiah di Fakultas Ilmu Komputer Universitas Amikom Purwokerto bertujuan untuk meningkatkan kemampuan mahasiswa dalam menyusun artikel ilmiah yang sesuai dengan standar jurnal terindeks. Metode yang digunakan meliputi pre-test untuk mengukur kemampuan awal, pelatihan interaktif, dan post-test untuk mengevaluasi peningkatan kemampuan. Hasil menunjukkan adanya peningkatan rata-rata skor post-test sebesar 68% dibandingkan dengan pre-test, dengan peningkatan terbesar pada kemampuan menulis abstrak sebesar 78.26%. Pelatihan ini juga menghasilkan beberapa artikel mahasiswa yang dinyatakan siap dipublikasikan di jurnal terindeks. Disarankan agar pelatihan dilakukan secara berkala, minimal setiap semester, dan dilengkapi dengan pendampingan intensif untuk mendukung proses publikasi. Upaya ini diharapkan dapat meningkatkan kualitas dan jumlah publikasi artikel ilmiah mahasiswa secara berkelanjutan.
PELATIHAN PENGISIAN BEBAN KERJA DOSEN (BKD) MELALUI SISTER PADA DOSEN FAKULTAS ILMU KOMPUTER UNIVERSITAS AMIKOM PURWOKERTO Saputro, Rujianto Eko; Febrianti, Diah Ratna; Saputri, Inka; Sarmini, Sarmini
SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Vol 7, No 4 (2023): December
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jpmb.v7i4.17792

Abstract

ABSTRAKMasih kurangnya pemahaman dosen terkait pengisian BKD melalui SISTER menyebabkan beberapa dosen merasa kesulitan dalam melakukan pengisian BKD, hal ini berdampak pada ketepatan waktu dosen dalam mengirimkan laporan BKD kepada asesor. Keterlambatan tersebut juga mengakibatkan asesor terlambat dalam memeriksa dan memberikan penilaian, yang pada akhirnya dosen menjadi terlambat untuk melaporkan laporan BKD kepada lembaga terkait. Maka dari itu perlu adanya kegiatan pelatihan untuk menyamakan persepsi dosen dalam pengisian BKD, dengan pelatihan ini diharapkan mampu meningkatkan pengetahuan, kemampuan dan ketelitian dosen pada saat mengisi BKD. Kegiatan pelatihan ini bertujuan untuk membantu mempermudah dosen dalam melakukan pengisian BKD melalui SISTER dan juga meningkatkan ketepatan waktu dosen dalam pengumpulan laporan BKD. Metode pelaksanaan kegiatan terdiri dari tahap perencanaan, tahap pelaksanaan dan tahap evaluasi. Kegiatan pelatihan diberikan kepada dosen dengan memberikan pemaparan materi, tes setelah pelatihan dan tanya jawab kepada dosen sebelum kegiatan pelatihan diakhiri. Berdasarkan hasil evaluasi kegiatan menunjukkan bahwa kegiatan pelatihan dapat diikuti dan dipahami dengan baik oleh peserta dan sebanyak 80% peserta setelah mengiktui kegiatan pelatihan dapat menyelesaikan pengisian BKD dan menyimpan permanen laporan BKD. Kata kunci: pelatihan; pengisian; BKD; SISTER; dosen. ABSTRACTThere is still a lack of understanding regarding filling in the BKD through SISTER, causing some lecturers to find it difficult to fill in the BKD, this has an impact on the tighter time for lecturers in sending BKD reports to assessors. This delay also results in an assessor being late in examining and providing an assessment, which ultimately results in the lecturer being late in reporting the BKD report to the relevant institution. Therefore, there is a need for training activities to equalize lecturers' perceptions in filling out the BKD. With this training, it is hoped that it will be able to increase the knowledge, ability and accuracy of lecturers when filling out the BKD. This training activity aims to help make it easier for lecturers to fill in BKD through SISTER and also increase lecturers' timeliness in collecting BKD reports. The activity implementation method consists of the planning stage, implementation stage and evaluation stage. Training activities provided to lecturers include presentation of material, tests after training and questions and answers to lecturers before the training activities end. Based on the results of the activity evaluation, it shows that the training activities can be followed and understood well by the participants and as many as 80% of participants after participating in the training activities can complete filling in the BKD and keep a permanent BKD report. Keywords: training; filling; BKD; SISTER; lecturer.