Real-Time Stock Options Tracker Setup

I need a Google Sheets file set up to automatically update stock options prices in real-time and calculate days until expiration for options contracts.

Requirements:
- Fetch real-time prices every minute
- Data source can be Google Finance, Yahoo Finance, or Alpha Vantage
- Stock options from NASDAQ, NYSE, and CBOE
- No ongoing costs or subscriptions

Ideal Skills and Experience:
- Proficient in Google Sheets
- Experience with real-time data integration
- Familiar with stock options and financial data sources

(Please see the attached image. The two columns in gray are what I need automated.)