[Home](/) / [Market](/market) # 280mm Prototype Siege Cannon market ## Market summary | Fact | Value | | --- | --- | | Selected region | Metropolis | | Market | Metropolis | | Best sell | 711,600.00 ISK | | Best buy | 12,510.00 ISK | | Source | snapshot | | loaded | 2026-09-16 22:22 UTC | | Snapshot dated | 2026-09-16 21:49 UTC | | Coverage | Public data; incomplete player-structure coverage; not real-time | ## View [Market Data](/market?type=9417®ion=10000042) | [Price History](/market?type=9417®ion=10000042&tab=history) ## Sellers 14 orders. Page 1 of 1. | Quantity | Price ISK | Location (security) | Range | Minimum quantity | Expires UTC | | --- | --- | --- | --- | --- | --- | | 10 | 711,600.00 ISK | Hek VIII - Moon 12 - Boundless Creation Factory (0.8) | region | 1 | 2026-12-08T16:10:25.000Z | | 3 | 712,500.00 ISK | Hek VIII - Moon 12 - Boundless Creation Factory (0.8) | region | 1 | 2026-12-06T22:02:29.000Z | | 1 | 750,000.00 ISK | Hek VIII - Moon 12 - Boundless Creation Factory (0.8) | region | 1 | 2026-12-04T09:48:41.000Z | | 10 | 796,100.00 ISK | Hek VIII - Moon 12 - Boundless Creation Factory (0.8) | region | 1 | 2026-12-02T21:00:44.000Z | | 3 | 798,000.00 ISK | Hek VIII - Moon 12 - Boundless Creation Factory (0.8) | region | 1 | 2026-10-01T13:34:31.000Z | | 1 | 800,000.00 ISK | Konora VI - Kaalakiota Corporation Factory (0.4) | region | 1 | 2026-11-19T12:59:32.000Z | | 1 | 800,000.00 ISK | Hek VIII - Moon 12 - Boundless Creation Factory (0.8) | region | 1 | 2026-11-24T20:10:00.000Z | | 1 | 800,000.00 ISK | Hek VIII - Moon 12 - Boundless Creation Factory (0.8) | region | 1 | 2026-11-27T02:56:19.000Z | | 34 | 1,029,000.00 ISK | Hek VIII - Moon 12 - Boundless Creation Factory (0.8) | region | 1 | 2026-11-12T09:31:25.000Z | | 1 | 1,030,000.00 ISK | Hek VIII - Moon 12 - Boundless Creation Factory (0.8) | region | 1 | 2026-10-08T04:37:28.000Z | | 3 | 1,185,000.00 ISK | Hek VIII - Moon 12 - Boundless Creation Factory (0.8) | region | 1 | 2026-10-03T04:07:00.000Z | | 2 | 1,190,000.00 ISK | Dudreda VI - Moon 12 - Republic Fleet Assembly Plant (0.3) | region | 1 | 2026-10-02T06:47:02.000Z | | 6 | 1,240,000.00 ISK | Hek VIII - Moon 12 - Boundless Creation Factory (0.8) | region | 1 | 2026-09-23T16:09:49.000Z | | 6 | 1,250,000.00 ISK | Eszur I - Moon 1 - Genolution Biotech Production (0.2) | region | 1 | 2026-09-19T20:28:36.000Z | ## Buyers 10 orders. Page 1 of 1. | Quantity | Price ISK | Location (security) | Range | Minimum quantity | Expires UTC | | --- | --- | --- | --- | --- | --- | | 37 | 12,510.00 ISK | Hek VIII - Moon 12 - Boundless Creation Factory (0.8) | station | 1 | 2026-09-30T15:00:41.000Z | | 21 | 12,500.00 ISK | Hek VIII - Moon 12 - Boundless Creation Factory (0.8) | solarsystem | 1 | 2026-12-15T14:59:06.000Z | | 24 | 12,480.00 ISK | Hek VIII - Moon 12 - Boundless Creation Factory (0.8) | solarsystem | 1 | 2026-12-14T13:59:21.000Z | | 3 | 12,460.00 ISK | Hek VIII - Moon 12 - Boundless Creation Factory (0.8) | station | 1 | 2026-10-13T23:50:06.000Z | | 3 | 12,440.00 ISK | Structure 1044960858258 (0.8) | region | 1 | 2026-12-08T04:32:31.000Z | | 24 | 12,280.00 ISK | Hek VIII - Moon 12 - Boundless Creation Factory (0.8) | 3 | 1 | 2026-12-02T21:00:35.000Z | | 97 | 11,730.00 ISK | Hek VIII - Moon 12 - Boundless Creation Factory (0.8) | station | 1 | 2026-11-16T05:51:30.000Z | | 82 | 11,620.00 ISK | Hek VIII - Moon 12 - Boundless Creation Factory (0.8) | station | 1 | 2026-11-12T09:30:54.000Z | | 84 | 8,133.00 ISK | Hek VIII - Moon 12 - Boundless Creation Factory (0.8) | region | 1 | 2026-11-15T11:56:23.000Z | | 94 | 7,800.00 ISK | Ryddinjorn VI - AIR Laboratories (0.9) | region | 1 | 2026-09-28T22:03:25.000Z | ## Formats [280mm Prototype Siege Cannon reference](/types/9417-280mm-prototype-siege-cannon) © 2014 CCP hf. All rights reserved. "EVE", "EVE Online", "CCP", and all related logos and images are trademarks or registered trademarks of CCP hf. SDE build 3503375, released 2026-09-10. Data: CCP SDE and ESI, EVE Ref.