Judul: Hedging for Crude Palm Oil's Price Using Bull Call Spread Strategy and Short Combo Straregy
Abstrak: Ketidakstabilan demand dan supply yang terjadi akibat adanya pandemi Covid-19 menyebabkan harga crude palm oil di Indonesia meningkat pesat. Lindung nilai menggunakan strategi opsi dapat menjadi solusi untuk mengurangi risiko jika menghadapi kenaikan harga atau kondisi bullish di masa depan. Penelitian ini menggunakan dua strategi opsi, yaitu strategi bull call spread dan short combo. Berdasarkan hasil penghitungan, biaya short combo merupakan yang terendah pada kondisi bullish. Pada kondisi bearish, biaya terendah dicapai ketika tidak dilakukan strategi opsi. Pada kondisi neutral, strategi short combo dan strategi bull call spread memberikan biaya terendah. Kedua strategi opsi memiliki kerugian maksimum pada saat spot price kurang dari strike price pertama dengan nilai yang berbeda-beda. Keuntungan maksimum bull call spread dan short combo terjadi pada saat spot price lebih besar dari strike price kedua. Keuntungan makimum short combo bernilai tak terhingga jika terjadi peningkatan spot price. Bull call spread lebih menguntungkan pada kondisi bearish, sedangkan short combo lebih menguntungkan pada kondisi bullish., The instability of demand and supply that occurred as a result of the Covid-19 pandemic caused the price of crude palm oil in Indonesia to increase rapidly. Hedging using an options strategy can be a solution to reduce risk if you face rising prices or bullish conditions in the future. This research uses two option strategies, namely the bull call spread and short combo strategies. Based on the calculation results, short combo costs are the lowest in bullish conditions. In bearish conditions, the lowest costs are achieved when no option strategy is implemented. In neutral conditions, the short combo strategy and the bull call spread strategy provide the lowest costs. Both option strategies have a maximum loss when the spot price is less than the first strike price by varying values. The maximum profit from the bull call spread and short combo occurs when the spot price is greater than the second strike price. The maximum profit of a short combo is infinite if there is an increase in the spot price. Bull call spreads are more profitable in bearish conditions, while short combos are more profitable in bullish conditions.
Keyword: crude palm oil, hedging, option, bull call spread, short combo, lindung nilai

Judul: Strategi Long Straddle dan Bull Spreads untuk Lindung Nilai Crude Oil
Abstrak: Konflik Geopolitik Rusia-Ukraina, pemotongan produksi OPEC+, dan China mempercepat vaksinisasi menyebabkan harga crude oil meningkat. Lindung nilai menggunakan strategi opsi dapat menjadi solusi untuk mengurangi risiko jika menghadapi kondisi bullish di masa depan. Penelitian ini menggunakan tiga strategi opsi, yaitu long straddle, bull call spread, dan bull put spread. Berdasarkan hasil perhitungan, ketiga strategi opsi memiliki keuntungan maksimum dan kerugian maksimum pada kondisi dan nilai yang berbeda-beda jika terjadi peningkatan spot price. Long straddle lebih menguntungkan pada kondisi bullish atau bearish, sedangkan bull call spread lebih menguntungkan pada kondisi neutral. Harga jual lindung nilai long straddle merupakan yang terendah pada kondisi bearish dan bullish, sedangkan pada kondisi neutral harga jual lindung nilai terendah terjadi ketika diterapkan strategi bull call spread.
Keyword: Crude oil

Judul: Rancang Bangun Alat Pengukur Intensitas Hujan Dengan Metode Jungkat-Jungkit Berbasis Sensor Medan Magnet UGN3503.
Abstrak: This research has been done on making rain intensity gauge using a magnetic field sensor UGN3503. Sensor UGN3503 can detect the magnetic field on its surface. The sensor is placed above a seesaw that was inserted magnet. The magnet used is Neodymium magnet is a type of permanent magnet with stongest magnetic field compared to other types of fixed magnetic field magnets. When the seesaw discards rainwater, the distance between sensor and magnet is closer and causing the keluaran voltage of the sensor increases. The keluaran voltage of the sensor is compared with a reference voltage by the comparator so that the sensor keluaran data is in digital form and ready to be processed. As the processing and sending of data used ATmega16 microcontroller, microcontroller take sensor data once every 100 ms and display data to the LCD (Liquid Crystal Display) 16x2. Every 30 minutes the data is processed into the rain intensity is then stored into a computer.
Keyword: rain intensity, seesaw, comparator, microcontroller, sensor UGN3503.