SPDR Gold Trust ETF is trading near 90.86, up 1.8%, and option flow is relatively bullish, with 138,000 calls and 81,000 puts on the tape with about an hour to go. Buyers appear focused on the 100 strike calls in April and May, in a view that the ETF may break through the $100.44 52w high a year ago. Near noon today a buyer paid 1.30 for 20,000 April 100s, and serveral minutes ago a buyer paid 2.55 for 10,000 May 100s. Both trades will open new positions.