Equity benchmarks Sensex and Nifty started on a choppy note on Thursday amid a negative trend in Asian peers. The 30-share S&P BSE index was trading 3.34 points or 0.01 per cent higher at 53,058.10 in initial deals, while the broader NSE Nifty-50 inched 8.95 points or 0.06 per cent lower to 15,870.70.