OSRS Grand Exchange

Prices last updated 3 days ago. Updates are paused; the numbers below are from then.

Members item

Giant seaweed price

Giant seaweed

“Seaweed of large size.”

30 gp

+48.1% 24h · -20.0% 7d · -44.4% 30d

Giant seaweed is 45% below its 30-day average.

2786

90-day range of daily average prices; 30-day average 55 gp.

Instant buy
31
3 days ago
Instant sell
28
3 days ago
Volume 24h
270,662
1h average buy / sell
46 / 33
24h average buy / sell
49 / 30
Buy limit (4h)
11,000

Giant seaweed price, last 7 days

Hourly averages from our own history.

193346Oct 26, 2026Oct 30, 2026
Instant-buy averageInstant-sell averageVolume

Giant seaweed price history

Daily averages. Since Apr 8, 2026 the lowest daily sell average was 24 gp and the highest buy average 188 gp.

24106188Apr 8, 2026Oct 31, 2026
Instant-buy averageInstant-sell averageVolume

Questions

How much is Giant seaweed worth in OSRS?
About 30 gp right now on the Grand Exchange: the last instant buy was 31 gp and the last instant sell 28 gp. Over the last 24 hours 270,662 were traded.
What is the GE buy limit for Giant seaweed?
11,000 every 4 hours.
Is Giant seaweed worth high alching?
High alchemy gives 1 coins. Buying one at 31 gp plus a nature rune makes that a 182 gp loss per cast right now.
How much tax do you pay selling Giant seaweed?
0 gp each at 31 gp (2%, rounded down, capped at 5m per item), so you receive 31 gp.

Item id 21504. Prices update every five minutes; this page used prices from 13 h ago. How we get prices