Gold prices are attempting gains in Asia as caution is seeping into the financial markets ahead of the Brexit polls.Eyeing 38.2% FiboThe metal regained bid tone after having clocked a low of $1261 levels and now appears on track to test $1271.22 (38.2% of May 30 low – June 16 high). Prices currently hover around $1266/Oz levels.Polls open at 6 GMT and the caution ahead of the same could push traditional safe haven assets like gold, treasuries and Yen higher. Macroeconomic data releases due in Europe – preliminary PMI readings and initial jobless claims may receive little attention amid Brexit related news flow.Gold Technical LevelsThe immediate hurdle is noted at $1271.22 (38.2% Fibo of May 30 low - June 16 high), above which metal could have a go at $1277 (5-DMA). A violation there would expose $1288.19 (23.6% of May 30 low – Jun 16 high). On the other hand, breakdown of support at $1261 (daily low) would expose support at $1257 (50% Fibo 50-DMA) and $1244 (100-DMA).