Watermelon seed
P2PBuy limit: 200·last trade 4m ago
Confidence
Confidence68%
One score blending fill chance, market volume and profit quality.
Fill chance95%
Volume83%
Profit45%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at91
Buy fills26%
Sell at209
Sell fills26%
Net / item114 (125.3%)
Est. profit / 4h22.8K
200 units · 95% fill confidence
Insta-sell
90
cheapest buy (full spread)
Insta-buy
210
dearest sell (full spread)
Gross margin
120
GE tax
4
2% per item, max 5M
Net margin
116
128.9% ROI
Volatility
24.0%
price noise (1h history)
How to flip the Watermelon seed
The Watermelon seed is a members-only Old School RuneScape item — “A watermelon seed - plant in an allotment.”. Its Grand Exchange buy limit is 200 per 4 hours. Right now it buys at 90 gp and sells at 210 gp — a net margin of 116 gp (128.9% ROI) after the 2% Grand Exchange tax of 4 gp. High alchemy yields 33 gp.
To flip it, place a buy offer near 90 gp and a sell offer near 210 gp; the spread minus GE tax is your profit. Confidence figures are model estimates from live OSRS Wiki prices, not guarantees — flip responsibly.
Price history
● insta-buy● insta-sell● moving avg
Why this fill score
Trading volume93%
Two-sided liquidity95%
Recent activity97%
Size vs market98%
Why this profit score
Spread persistence71%
No price spike87%
Margin plausibility0%