Skripsi ini membahas tentang analisis pengaruh sebelum dan sesudah pengumuman right issue terhadap volatilitas harga saham dan volume perdagangan yang meliputi volatility persistence dengan menggunakan pendekatan time varying volatility. Sampel yang digunakan adalah perusahaan yang terdaftar di Bursa Efek Indonesia 2006-2015 yang melakukan right issue. Model Autoregressive Conditional Heteroskedasticity ARCH dan Generalized Autoregressive Conditional Heteroskedasticity GARCH digunakan untuk menjelaskan volatilitas dalam penelitian ini. Hasil penelitian ini menunjukkan bahwa volatilitas harga saham dan volume perdagangan yang meningkat sebelum pengumuman dan menurun setelah pengumuman right issue.

---

The Focus of this study is to analyze the significance of stock price and trading volume volatility around right issue announcement date, covering volatility persistence by using time varying volatility approach. The sample used is listed company in Indonesia Stock Exchange for the periode 2006 2015 which have done right issue. Autoregressive Conditional Heteroskedasticity ARCH and Generalized Autoregressive Conditional Heteroskedasticity GARCH model is used to examine the volatility. The results indicate that stock price and trading volume volatility have increased before the announcements and decreased after the rights issue announcements.