Cosmic tiara

item #5539 · buy limit 40 · 15 days of history backtested

Latest price: 4,000 gp instant-buy · 1,000 gp instant-sell
Last 24 h average: 984 gp high · 138 gp low · 650 traded

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Buy limit40

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%	10.5k	6.8k	6.8k	6.8k	6.8k	6.8k
8%	10.5k	6.8k	6.8k	6.8k	6.8k	6.8k
12%	43.5k	36.1k	36.1k	36.1k	36.1k	6.8k
16%	43.7k	36.4k	36.4k	36.4k	36.4k	7.1k
20%	38.4k	31.1k	31.1k	31.1k	31.1k	7.1k
25%	46.3k★	39.0k	39.0k	39.0k	39.0k	14.9k

Optimal buy 25% / sell 75% → 16 flips, 46.3k/day per unit (~9.2h hold) vs Default 12% / 93% → 11 flips, 36.1k/day (+28%)

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.