F Rune dart — bulk ranged-grind spread vetoed
vetoed at ship time: claimed per_cycle_gp 550000 exceeds 2x the live recomputation 55000 (margin 5 x 11000 fillable units)
Rune dart is the workhorse ranged ammunition for mid-game PvM (ranging training, DMM, Slayer); constant bulk demand keeps the ask alive, while enchanted-bolt crafters and stock-pilers dump at the bid. Result: a tight 50gp post-tax spread times a 11k buy limit = 550k per 4h cycle, on ~2.95M units/day of two-sided volume. 14d daily closes 209/199 → 215/209 confirm range-bound.
Entry: Place a buy at 212 (or up to 215) and a sell at 267 (or down to 260); refresh both every 4h.
Exit: Sell fills at the offer; if the buy does not fill within 4h, cancel and re-arm.
Kill switch: A 14d daily close below 195 (close-band breach lower edge) — the spread is structural and lives inside the 199-219 band; if the floor prints, the flip is dead.
From run 457 · F-rune-dart-20260801
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