NXPNUVEEN SELECT TAX FREE INCOME PORTFOLIO— option chain
Every listed call and put by expiration: bid/ask, last trade, implied volatility, delta, open interest and volume, with the put/call and max-pain overview up top. Every figure is relayed verbatim from the delayed Cboe snapshot — fields the feed omits stay blank, never faked as 0.
Datos de opciones con retraso de Cboe (~15 min). Las cotizaciones, la IV y las griegas son instantáneas indicativas, no precios negociables en vivo.