I'll compute the fresh P/E ratio for Arista Networks by loading the latest price data and shares outstanding, then calculating it.Arista Networks (ANET) — Fresh P/E Ratio

Arista Networks trades at a trailing P/E of 59.3x, based on TTM net income of $3.72B (sum of the latest four reported quarters through Q1 2026) and a market cap of ~$221B at the most recent close.

Loading chart...Arista Networks (ANET) — Trailing P/E Ratio History

The chart shows ANET's daily TTM P/E ratio from late 2019 through today. The ratio has expanded significantly over the period, from the high teens in late 2019 to the current 59.3x — reflecting both strong earnings growth and substantial multiple expansion as the market priced in ANET's AI-networking tailwinds.