{"item_id":6891,"name":"Arena book","url":"https://runescapetrader.com/item/6891","unit":"GP","buy_limit":15,"prices":{"instant_buy":{"gp":87987,"observed_at":"2026-10-18T19:11:08Z","age_seconds":732187,"status":"stale"},"instant_sell":{"gp":2634,"observed_at":"2026-10-26T01:04:31Z","age_seconds":106184,"status":"stale"}},"market_data_updated_at":"2026-10-26T04:47:27Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}