Watermelon seed
P2PBuy limit: 200·last trade 1m ago
Confidence
Will it fill?92%
Will it profit?44%
Joint confidence41%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at129
Buy fills45%
Sell at163
Sell fills47%
Net / item31 (24.0%)
Est. profit / 4h6.2K
200 units · round-trip fill 21%
Insta-sell
102
cheapest buy (full spread)
Insta-buy
190
dearest sell (full spread)
Gross margin
88
GE tax
3
2% per item, max 5M
Net margin
85
83.3% ROI
Volatility
21.1%
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 102 gp and sells at 190 gp — a net margin of 85 gp (83.3% ROI) after the 2% Grand Exchange tax of 3 gp. High alchemy yields 33 gp.
To flip it, place a buy offer near 102 gp and a sell offer near 190 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 volume96%
Two-sided liquidity64%
Recent activity99%
Size vs market98%
Why this profit score
Spread persistence68%
No price spike26%
Margin plausibility24%