Last traded 1h ago
Last traded 25m ago
24h High
32
24h Low
20
“4 doses serum 207 as described in Herbi Flax's diary.”
Serum 207 (4) is a members item tradeable on the Old School RuneScape Grand Exchange. 4 doses serum 207 as described in Herbi Flax's diary.. The current instant sell price is 29 GP and the instant buy price is 20 GP. After the 2% GE tax, each flip yields 9 GP profit (45.0% ROI). The current price is 23.7% below its 7-day average.
With a buy limit of 2,000 per 4 hours, a full cycle yields up to 18,000 GP profit. The confidence score of 40/100 reflects trade volume, price stability, and data freshness.
Over the past 30 days, Serum 207 (4) has traded between 11 GP and 298 GP, averaging 45 GP. The current price of 29 GP is 163.6% above the 30-day low and 90.3% below the 30-day high.
High Level Alchemy converts Serum 207 (4) for 8 GP. The current buy price of 20 GP exceeds the alch value, so flipping is more profitable than alching at this time.
07Flip tracks Serum 207 (4) prices every 30 seconds using the OSRS Wiki Real-Time Prices API. The chart above shows price history with RSI, MACD, EMA, and Fibonacci retracement indicators to help identify trends before placing Grand Exchange offers.
Explore advanced OSRS Grand Exchange tools designed to help you calculate profits, identify flipping opportunities, and maximise GP using real-time price data. From High Alch calculations to repair methods and item set profits, every tool is built for serious OSRS players.
Find the most profitable OSRS items to cast High Level Alchemy on using live Grand Exchange prices and accurate margin calculations.
Calculate Barrows repair costs and profits, including POH savings and Grand Exchange resale margins.
Track profit from repairing Blood Moon, Blue Moon, and Eclipse Moon armour using live OSRS price data.
Find profitable potion dose conversions and decanting margins using real-time OSRS Grand Exchange prices.
Calculate profit from creating or breaking OSRS item sets using current Grand Exchange prices.
Explore OSRS Grand Exchange items by category with live price tracking and flipping data.
Find the best free-to-play items to flip on the OSRS Grand Exchange with real-time margin tracking.
Install the official 07Flip RuneLite plugin for live flip opportunities, dip alerts, and merch signals inside your game client.
Learn how to flip in OSRS, understand Grand Exchange mechanics, and improve your merching strategy with in-depth guides built for beginners and advanced traders.
Step-by-step guide to flipping items in Old School RuneScape using Grand Exchange margins and buy limits.
New to GE flipping? Start here. Covers finding your first flip, buy limits, GE tax, and offer placement.
How to flip with a 10M bankroll — three strategies, example returns, and the best item categories at this budget.
Learn how the 2% GE tax works, the 5M cap, and how tax impacts OSRS flipping profit margins.
Understand OSRS buy limits, the 4-hour reset timer, and how to scale flipping strategies efficiently.
Make GP as a free-to-play player by flipping high-volume F2P items on the OSRS Grand Exchange.
Learn update-day flipping, time-of-day patterns, and high-value OSRS merching strategies.
What a flip finder does, how margin detection works, and how 07Flip identifies profitable GE opportunities.
A full breakdown of what to flip by budget, item category, and how to use 07Flip presets to decide quickly.
Every type of OSRS flipping tool explained: flip finders, price trackers, profit calculators, and market intelligence.
Definitions for every OSRS flipping term: margin, ROI, buy limit, GE tax, confidence score, spread, and more.
Calculate exact GE tax, post-tax profit, and ROI for any Grand Exchange sale. Supports M/K shorthand input.
