Stock and ETF options

Any US stock or ETF that has listed options loads a chain, for example AAPL, MSTR or SPY. One contract is 100 shares, so the multiplier is 100.

• SPY, QQQ and IWM are priced on their put-call parity level, because dividends paid before expiration move the forward away from the print.
• Other ETFs and single stocks use the print.
• Adjusted option classes (for example a class starting with “2” after a corporate action) are left out of the chain.

You can also model shares with the toolbar’s Pos button.

Parity pricing is by design; see Chain price differs from the index print and How Tented prices options. For index products, see Index options.