Prismatic Evolutions pack expected value

Is a Prismatic Evolutions booster pack worth opening? Expected value $3.91 per pack against a $21.37 pack price, from live card prices and pull rates.

• Expected value per pack: $3.91
• Booster pack price: $21.37
• On average a pack is worth more kept sealed.
• Chase cards with live prices: 80
• Chance a pack contains no chase card: 71.2%