xyz:XBIetf · growth mode on · 10× max
Over 34 days of 20-level order-book snapshots, xyz:XBI quoted a median spread of 13.40 bps in US regular hours with $7k resting within 25 bps of mid. A $25k market order paid about 36.73 bps in regular hours and 78.61 bps on weekends, when depth within 25 bps fell to $484. Taker fee is 0.90 bps with growth mode on; funding averaged +29.88% annualised over the last 30 days.
by sessionNew York time · medians over 34 days
| session | snaps | spread | p90 | top | depth ±10 | depth ±25 | depth ±50 | $5k | $25k | $100k | $100k fills | $250k fills |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| US regular 9:30–16:00 | 1,350 | 13.40 | 28.94 | $7k | 36.73 | 46.78 | 43% | 0% | ||||
| US extended 4–9:30, 16–20 | 1,896 | 18.47 | 38.63 | $796 | 59.37 | 64.10 | 25% | 0% | ||||
| Overnight 20–4 | 1,280 | 15.43 | 37.36 | $6k | 45.33 | 63.87 | 42% | 0% | ||||
| Weekend / holiday | 2,460 | 22.30 | 50.17 | $484 | 78.61 | 159.87 | 40% | 0% |
bps unless stated · RTH 9:30–16:00 · extended 4:00–9:30 and 16:00–20:00 · overnight 20:00–4:00 on weekdays · weekend runs Friday 20:00 to Monday 4:00 and includes NYSE holidays · slip = mean of the buy and sell side of a market order walking the visible 20 levels · fills = share of snapshots the size fits inside those levels · "—" = not fillable in the median snapshot
slippage curve
hour of week
weekly · spread
weekly · depth ±25 bps
per round trip = 2 × median slippage + 2 × taker fee · funding uses the 30-day mean hourly rate, annualised, charged for a position held all day · slippage between tested sizes is interpolated on a log scale · ignores maker rebates, impact that persists after your fill, and fee tiers
6,986 snapshots · 2026-08-27 14:51 → 2026-09-30 18:24 UTC (34.1 days) · size decimals 2 · raw: /data/xyz/XBI.json · method and caveats: methodology