The effects of behavioral biases on investment decisions: The stock exchange İstanbul sample

Every investment decision at the macro or micro scale carries with it the desire to make a profit. Profit assumes the driving and sustainability role of capital. Information assumes a crucial role in the realization of this role. The field of behavioral finance, which opens a different window to the finance literature, argues that investors do not act completely rationally in financial decisions. Behavioral finance argues that there are subconscious factors that affect information. This study aims to detect the behavioral bias factors influencing the investment decisions of individuals trading in Borsa Istanbul. The effects of non-rational cognitive factors such as loss aversion, expectation, precision, herd effect, heuristics and anchoring on individuals' investment decisions are investigated. The analysis revealed that precision, herd behavior, anchoring and heuristics factors have effects on investment decisions.