<![CDATA[This study aims to examine the impact of foreign exchange market intervention on fluctuations in the Indonesian Rupiah exchange rate. A quantitative approach was employed using secondary data obtained from Bank Indonesia. Foreign exchange market intervention was measured by the volume of Domestic Non-Deliverable Forward (DNDF) transactions, while the Rupiah exchange rate was measured using the Jakarta Interbank Spot Dollar Rate (JISDOR). The study covered 12 observation periods from August to September 2026. The analytical techniques included descriptive statistics, simple linear regression, a t-test, and the coefficient of determination. The regression analysis produced the equation Y = 17,772.39 − 0.585X, indicating a negative relationship between foreign exchange market intervention and the value of the Rupiah. However, the t-test yielded a significance value of 0.279, which was higher than the 0.05 significance level. Therefore, foreign exchange market intervention did not have a statistically significant effect on fluctuations in the Rupiah exchange rate during the study period. The coefficient of determination of 11.60% indicates that foreign exchange market intervention accounted for only a small proportion of the variation in the Rupiah exchange rate, while the remaining 88.40% was attributable to other factors outside the research model. These findings indicate that Rupiah exchange rate stability is influenced not only by Bank Indonesia’s intervention policy but also by various domestic and global economic factors.]]>
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