3 Biggest Economies on Civ by stock and shop exchanges
Data from tradex
Pavia obviously comes in #1
Surprisingly, Zirakdum comes in #2
And Icenia comes in at # 3
Pavia recently went down over 100K in item units. Zirakdum recently developed a new mall-like layout market. (I would say smth about Icenia, but I haven't seen / heard anything to put here).

Pavia went down the past few days here are their logs
9/29/2026 11:38:08 PM 753,715 units
9/29/2026 11:38:08 AM 747,145 units
9/29/2026 5:38:08 PM 747,074 units
9/30/2026 11:38:08 PM 604,708 units
9/30/2026 5:38:08 PM 599,058 units
9/30/2026 11:38:08 AM 595,001 units
9/30/2026 5:38:08 AM 591,702 units
10/1/2026 11:38:08 PM 501,190 units
10/1/2026 5:38:08 PM 499,391 units
10/1/2026 5:38:08 AM 499,333 units