{"item_id":19481,"name":"Heavy ballista","url":"https://runescapetrader.com/item/19481","unit":"GP","buy_limit":8,"prices":{"instant_buy":{"gp":1051862,"observed_at":"2026-09-11T17:48:26Z","age_seconds":373,"status":"fresh"},"instant_sell":{"gp":1012689,"observed_at":"2026-09-11T17:36:46Z","age_seconds":1073,"status":"stale"}},"market_data_updated_at":"2026-09-11T17:54:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}