Hydra tail

item #22988 · buy limit 15 · 15 days of history backtested

Latest price: 70,391 gp instant-buy · 58,451 gp instant-sell
Last 24 h average: 67,534 gp high · 57,056 gp low · 216 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%	11.6k	9.0k	8.1k	6.2k	4.5k	3.5k
8%	16.8k	14.3k	13.4k	10.3k	7.0k	4.8k
12%	21.2k★	19.1k	18.4k	14.3k	11.2k	7.2k
16%	20.6k	18.7k	18.0k	14.0k	11.2k	7.2k
20%	19.7k	18.5k	17.9k	13.8k	11.0k	7.2k
25%	20.6k	19.4k	18.7k	14.7k	10.9k	7.1k

Optimal buy 12% / sell 75% → 20 flips, 21.2k/day per unit (~10.2h hold) vs Default 12% / 93% → 10 flips, 11.2k/day (+90%)

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.