Guthan's helm

item #4724 · buy limit 15 · 15 days of history backtested

Latest price: 197,588 gp instant-buy · 143,228 gp instant-sell
Last 24 h average: 185,757 gp high · 186,881 gp low · 231 traded

🔔 Set a price alert

Buy limit15

TypeMembers

Notenot in the current top scan — backtest below still applies

Price chart

drag to pan · scroll to zoom · hover for values

Candles use the GE's average instant-buy (wick top) & instant-sell (wick bottom) per period; bodies show period-to-period mid-price moves — the GE publishes no true open/close. buy bandsell band

Backtest — profit/day per unit by band

Each cell replays this item's history with that buy/sell percentile pair, no lookahead (bands from past data only). ★ = best. Hover a cell for flips & hold time.

buy↓ sell→	75%	80%	85%	90%	93%	97%
5%	21.6k	21.9k	23.4k	24.7k	24.7k	24.9k
8%	22.4k	21.3k	22.8k	24.2k	24.2k	24.4k
12%	22.2k	21.1k	22.6k	23.9k	23.9k	24.3k
16%	22.2k	21.1k	22.6k	23.9k	23.9k	24.3k
20%	21.8k	20.7k	22.2k	23.5k	23.5k	24.3k
25%	24.3k	23.2k	24.7k	26.0k★	23.5k	24.3k

Optimal buy 25% / sell 90% → 6 flips, 26.0k/day per unit (~21.3h hold) vs Default 12% / 93% → 6 flips, 23.9k/day (+9%)

Bands are a starting point, not a promise — the fill model is simplified and popular flips crowd (your buy gets bid up, your sell pushed down). How this works →

Unofficial fan project — not affiliated with or endorsed by Jagex. Data from the OSRS Wiki real-time prices API. A game, not financial advice; nothing here is automated and you shouldn't automate it (it's against Jagex's rules).

For information only - not financial advice. In-game Grand Exchange prices fluctuate and flips can lose value; trade at your own risk.