The Index of Market Connection (IMC) is closely related to the measurement of market integration and the role of marketing institutions, namely producers or traders in distributing goods to consumers. Marketing institutions for the distribution of curly chillies, namely traders (wholesale and retail) of chili have an important role in the dynamics of price changes in the reference market and retail market. During the marketing process (distributing goods from the reference market to the retail market) takes place, marketing costs are required which will then be profitable for the traders involved. These marketing costs and profits cause the price of a commodity in one market to differ from another. This study aimed to analyze the level of market integration between the reference market and the curly chili retail market in Makassar City. Data analysis used was Index of Market Connection (IMC) analysis through stationary tests and cointegration tests. The results showed that the market integration value for curly chili at the Terong Market and Toddopuli Market was 0.55 which indicated a high short-term market integration where the Terong Market was the reference market which would influence price formation at the Toddopuli Market as a retail market. Meanwhile, the integration value of the curly chili market at the Terong Market and Pabaeng-baeng Market was 1.11 indicating that there was low short-term market integration, because the Terong Market was not the main reference market that influenced price formation and changes in the Pabaeng-baeng Market. baeng.
