The deal includes a gleeful swimming Feraligatr, an electrifying Toxtricity, and the cutest Pikachu Pokémon card we’ve seen in a while.

Below, we guide you through the five primary Greeks—delta, gamma, theta, vega, and rho—explaining what each tells you, how they interact, and why they matter when you're trading options.

In our analysis, these 12 brokerage accounts stand out as the best choices for stock trading, due to their low fees, strong platforms and quality customer support. Many, or all, of the products ...