Giant seaweed

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Giant seaweed trades around 67 gp now, +4.8% this week, 7-day range 37–89.

Lowlast instant sell

66

Highlast instant buy

68

Flippers place a buy offer near the low and sell near the high.

Flip margin: +1; per item, after 1 tax
Flip profit / 4h: 2,791; Buy 2,791 · spend 184k (10% vol)
Buy limit: 11,000; per 4 hours
Traded, 24h: 167,518; both sides
Margin held: 62%; of the last 24h, on and off
High alch: 1; shop value 2

How these numbers work

Sell offer (last insta-buy)68

Buy offer (last insta-sell)− 66

GE tax, 2% capped at 5m− 1

Net margin per item+1

Breakeven sell price≥ 68

Potential profit, one 4h window

Buy limit11,000

10% of 4h volume2,791

10m bankroll ÷ buy151,515

Quantity (the lowest)× 2,791

Spend184,206

Potential profit

All materials →Top flips →

About Giant seaweed on the GE

“Seaweed of large size.”

Giant seaweed last traded at 68 gp (insta-buy) and 66 gp (insta-sell) on the Grand Exchange. The two prices are only 2 gp apart, too close to flip. 167,518 were traded in the last 24 hours. It is a members' item.

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2,791

Prices assume you place offers and wait for them to fill. Insta-buying and insta-selling pays the spread twice.
Selling below the breakeven price loses money, even if it is above what you paid.
4h volume is 27,920 items (6,980/hr, average over the last 24 hours). Sized to a 10m bankroll; set yours on the home page.

Last 7 days

+4.8% vs 7 days ago

Avg / day: 266,597
7d low: 37 gp
7d high: 89 gp

Hourly mid price, the average of the buy and sell prices. Volume counts both sides.

Price & volume

When it trades

Times in UTC (game time)

Bar height is trading volumecheapestpriciest

By hour of day

By weekday

Willow leaves200 gp

Woad leaf90 gp

Giant seaweed price history

All-time high: 1,000 gp; 9 Sept 2017
All-time low: 62 gp; 9 Oct 2026
30 days: flat
90 days: -38.2%
1 year: -74.7%

Monthly close in gp (last guide price of each month)

169Nov 25
240Dec 25
225Jan 26
163Feb 26
143Mar 26
143Apr 26
150May 26
125Jun 26
115Jul 26
72Aug 26
70Sept 26
68Oct 26

Daily GE guide prices from 9 Sept 2017 to 11 Oct 2026, from the OSRS Wiki. Data as of 11 Oct 2026.

Tax: Selling one at 68 gp costs 1 gp in tax (2% of the sale price, rounded down, capped at 5m gp). Tax-exempt items →

Giant seaweed on the OSRS Wiki ↗

Giant seaweed FAQ

How much is Giant seaweed worth?

Giant seaweed last sold for 66 gp (instant sell) and was last bought for 68 gp (instant buy) on the Grand Exchange.

What is the Giant seaweed buy limit?

You can buy 11,000 Giant seaweed every 4 hours. The 4 hours start from your first purchase, and only buying counts towards the limit.

Is Giant seaweed worth high alching?

High alchemy turns Giant seaweed into 1 gp. Buying one at 68 gp and casting with a nature rune at 138 gp costs 206 gp. That is a loss of 205 gp per cast at the latest prices, so it is not worth alching for profit right now.

Is Giant seaweed tax-exempt?

No. Selling one at 68 gp costs 1 gp in tax (2% of the sale price, rounded down, capped at 5m gp).

What was Giant seaweed's highest price?

The highest daily guide price on record for Giant seaweed is 1,000 gp, on 9 Sept 2017. The lowest is 62 gp, on 9 Oct 2026.

Related items

About Giant seaweed on the GE

Last 7 days

Giant seaweed price history

Giant seaweed FAQ