The analysis discusses SPY, QQQ, and NVDA using technical analysis. SPY is currently at 671.85, with a potential upside to 674.00 and a fail bound at 664.00. For QQQ, the current price is 612.18, expecting a breakout to 615.00, and analysis invalid if goes below 608.30. NVDA, currently at 182.89, is expected to decline to 173.04, with 185.00 as fail bound. The analyst points out a large put order for QQQ October 31 with 600 strike price with a 12.18M premium, indicating potential bearish movement. Analyst is bearish on NVDA and bullish on SPY and QQQ.