?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PERILAKU+OVERCONFIDENT+DALAM+MEMPREDIKSI%0D%0AHARGA+SAHAM+DI+PASAR+MODAL+SYARIAH+INDONESIA+%3A%0D%0ASELF+DECEPTION+THEORY+DALAM+STUDI%0D%0AKSPERIMENTAL&rft.creator=RIKA+LESTARI%2C+WINDA+&rft.subject=330+Ekonomi&rft.description=Tujuan+penelitian+ini+untuk+menguji+secara+empiris+perbedaan+kesalahan+prediksi%0D%0Aharga+saham+syariah+antara+investor+overconfidence+tinggi+(IOT)+dan+investor%0D%0Aoverconfidence+rendah+(IOR)+di+sesi+Pra-Pembukaan+perdagangan%2C+sesi+Pemberian%0D%0APanduan+Prediksi%2C+sesi+Berita+bagus%2C+dan+sesi+berita+buruk+di+Pasar+Modal+Syariah%0D%0AIndonesia.+Teori+yang+digunakan+dalam+menguji+hipotesis+penelitian+ini+adalah%0D%0ATeori+Self+deception+(Teori+Penipuan+Diri)+dan+Teori+Keuangan+Keperilakuan%0D%0A(Behavior+Finance)%2C+dan+hasil-+hasil+penelitian+sebelumnya.%0D%0AJenis+penelitian+ini+menggunakan+eksperimen+kuasi+dengan+two+group+pretest-post%0D%0Atest+design.+Desain+penelitian+ini+merupakan+campuran+antara+between+dan+within%0D%0Asubject+design.+Desain+penelitian+ini+juga+mengklasifikasikan+investor+menjadi%0D%0Atiga+kelompok+berdasarkan+skor+terlalu+percaya+diri+(overconfidence)%2C+yaitu%0D%0AOverconfidence+tinggi%2C+overconfidence+moderat%2C+dan+overconfidence+rendah.%0D%0ASampel+saham+adalah+Indek+JII+30+tahun+2020%2C+Sampel+Responden+mahasiswa%0D%0AFEB+IIB+Darmajaya+yang+lolos+uji+Kalibrasi+tingkat+overconfidence.+Eksperimen%0D%0Adilakukan+dalam+9+sesi+dalam+waktu+4+jam.+Uji+hipotesis+menggunakan+one+way%0D%0AAnova%2C+independent+sample+t+test%2C+dan+Paired+sample+t+test.%0D%0AKeterbaruan+penelitian+ini+adalah+menguji+investor+berperilaku+overconfidence%0D%0Aterjadi+di+pasar+modal+syariah+dalam+memprediksi+harga+saham+dengan+metode%0D%0Aeksperimen%2C+dan+membuktikan+self+deception+theory+(teori+Penipuan+diri)+pada%0D%0Ainvestor+di+pasar+modal+syariah.+Hasil+analisa+menemukan+bahwa+investor%0D%0Aoverconfidence+tinggi+(IOT)+secara+konsisten+melakukan+kesalahan+prediksi+harga%0D%0Asaham+lebih+tinggi+dibandingkan+investor+overconfidence+rendah+(IOR)+di+sesi%0D%0APra-pembukaan%2C+sesi+Berita+Bagus+dan+sesi+Berita+Buruk.+Investor%0D%0Amengkonfirmasi+teori+penipuan+diri.+Tetapi+pada+sesi+pemberian+panduan+prediksi%2C%0D%0AIOT+menjalani+proses+belajar+yang+baik+dan+mampu+menurunkan+kesalahan+harga%0D%0Asahamnya.+IOT+konsisten+lebih+besar+volume+perdagangannya.+Dan+penelitian+ini%0D%0Amenegaskan+bahwa+investor+overconfidence+tinggi+tidak+selalu+mengalami%0D%0Akerugian+perdagangan.%0D%0AKata+kunci+%3A+Perilaku+overconfidence%2C+teori+penipuan+diri%2C+kesalahan+prediksi%0D%0Aharga+saham%2C+volume+perdagangan%2C+laba+rugi+perdagangan.%0D%0A%0D%0AThe+aim+of+this+research+is+to+empirically+test+the+difference+Islamic+stock+price%0D%0Aprediction+errors+between+the+high+overconfident+investor+(HOI)+and+lower%0D%0Aoverconfident+investor+(LOI)+in+the+pre-opening+trading+session%2C+giving+prediction%0D%0Aguide+session%2C+good+news+session%2C+and+bad+news+session+in+the+Indonesian+Islamic%0D%0ACapital+Market.+The+theories+used+in+testing+this+research+hypothesis+are+the%0D%0Atheory+of+self-deception%2C+the+theory+of+behavioral+finance%2C+and+the+results+of%0D%0Aprevious+studies.%0D%0AThis+type+of+research+uses+a+quasi-experimental+with+a+two-group+pretest-posttest%0D%0Adesign.+This+research+design+is+a+mixture+of+between+and+within-subject+design.%0D%0AThe+design+of+this+study+classifies+the+investors+into+three+groups+based+on+the%0D%0Aoverconfidence+score+namely+high+overconfidence%2C+moderate+overconfidence%2C+and%0D%0Alow+overconfidence.+The+stock+sample+is+the+JII+Index+30+in+2020%2C+the+respondent%0D%0Asample+is+FEB+IIB+Darmajaya+students+who+pass+the+overconfidence+level%0D%0Acalibration+test.+The+experiment+was+run+in+9+sessions+for+4+hours.+The+hypothesis%0D%0Atesting+used+one+way+Anova%2C+independent+sample+t+test%2C+dan+Paired+sample+t+test.%0D%0AThe+novelty+of+this+study+is+to+test+the+investors%E2%80%99+overconfidence+behavior+that%0D%0Aoccurs+in+the+Islamic+capital+market+in+predicting+stock+prices+with+the%0D%0Aexperimental+method+and+to+prove+the+self-deception+theory+on+investors+in+the%0D%0AIslamic+capital+market.+The+result+of+the+analysis+found+that+the+high%0D%0Aoverconfidence+investor+(HOI)+consistently+makes+higher+stock+price+prediction%0D%0Aerrors+than+the+low+overconfidence+investor+(LOI)+in+the+pre-opening+session%2C%0D%0Agood+news+session%2C+and+bad+news+session.+The+investors+confirm+the+theory+of%0D%0Aself-deception.+However%2C+during+the+prediction+guide+session%2C+HOI+underwent+a%0D%0Agood+learning+process+and+is+able+to+reduce+the+stock+price+errors.+HOI+has+a%0D%0Alarger+trading+volume+consistently.+And+this+research+confirms+that+high%0D%0Aoverconfident+investors+do+not+always+experience+trading+losses.%0D%0AKeywords%3A+Overconfidence+behavior%2C+self-deception+theory%2C+stock+price+prediction%0D%0Aerrors%2C+trading+volume%2C+trading+profit+and+loss.&rft.publisher=Fakultas+Ekonomi+Dan+Bisnis&rft.date=2022-06-22&rft.type=Disertasi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F63932%2F1%2FABSTRAK%2520%25281%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F63932%2F2%2FDISERTASI%2520FULL%2520WINDA%2520RIKA%2520LESTARI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F63932%2F3%2FDISERTASI%2520FULL%2520TANPA%2520BAB%2520PEMBAHASAN%2520WINDA%2520RIKA%2520LESTARI.pdf&rft.identifier=++RIKA+LESTARI%2C+WINDA+++(2022)+PERILAKU+OVERCONFIDENT+DALAM+MEMPREDIKSI+HARGA+SAHAM+DI+PASAR+MODAL+SYARIAH+INDONESIA+%3A+SELF+DECEPTION+THEORY+DALAM+STUDI+KSPERIMENTAL.++%5BDisertasi%5D+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F63932%2F