The pe_ttm metric isn't available directly from the stored series. Let me compute the P/E by loading the earnings data and combining it with the price.Booking Holdings (BKNG) currently trades at a P/E (TTM) of 23.4x, based on:

The TTM EPS is calculated from the trailing four quarters of net income (Q3 2025–Q2 2026) divided by the latest diluted shares outstanding.

The ticker column uses a string dtype which is causing the merge issue. Let me work around that.The issue is the date columns also have string dtype. Let me check and fix.

Loading chart...Booking Holdings' trailing P/E ratio since mid-2022. The stock currently trades at 23.4x TTM earnings, down from peaks above 30x earlier in 2025-2026 and well below the ~45x level seen in mid-2022.