Swampbark helm

item #25398 · buy limit — · 16 days of history backtested

Latest price: 18,396 gp instant-buy · 15,098 gp instant-sell
Last 24 h average: 27,897 gp high · 16,915 gp low · 132 traded

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Buy limit—

TypeMembers

Notenot in the current top scan — backtest below still applies

Price chart

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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%	20.3k	19.4k	18.3k	15.2k	15.3k	15.3k
8%	20.2k	19.3k	18.3k	15.2k	15.2k	15.2k
12%	22.2k	19.3k	18.2k	15.1k	15.1k	15.2k
16%	23.7k	19.3k	18.2k	15.1k	15.1k	15.2k
20%	23.7k	19.3k	18.2k	15.1k	15.1k	15.2k
25%	28.6k★	24.2k	18.2k	15.1k	15.1k	15.2k

Optimal buy 25% / sell 75% → 14 flips, 28.6k/day per unit (~12.8h hold) vs Default 12% / 93% → 4 flips, 15.1k/day (+89%)

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.