Stock price when the opinion was issued
He did a put spread on May 2, the 500-520 end of July put spread. He wasn't concerned about NVDA or tech, but to the market's reaction broadly to Nividia's earnings. Rally broadening in the S&P had not happened. You're limiting your downside with a spread. He bought back the 500 put, which leads him long only the 599 outs.
SPY-N vs. ZSP-T. They should be identical except ZSP-T trades in Toronto but has exposure to the US$. If the US$ gets stronger it should help the ETF. SPY-N has underperformed dramatically because it is in US$. They would be identical if you converted the dollars. There is foreign tax withholdings of about 30 basis points on SPY-N. ZSP-T gives you a foreign tax withholding also but you get a tax credit.