Indian markets are expected to open higher, following global market cues. The buying sectors on previous trading sessions were realty, FMCG, telecom, and public sector. Meanwhile, selling sectors were oil and gas, utilities and power. The maximum weekly Call OI is placed at 18,500 and then towards 18,400 strikes while the maximum Put OI is placed at 18,300 and then towards 18,200 strikes. Options data suggests a broader trading range in between 18,000 to 18,600 zones while the immediate trading range between 18,250 to 18,500 zones.