io:NBISus equity · growth mode on · 15× max
Over 41 days of 20-level order-book snapshots, io:NBIS quoted a median spread of 2.46 bps in US regular hours with $322k resting within 25 bps of mid. A $25k market order paid about 7.35 bps in regular hours and 9.19 bps on weekends, when depth within 25 bps fell to $36k. Taker fee is 0.90 bps with growth mode on; funding averaged +27.74% annualised over the last 30 days.
order book replay48 snapshots · 2026-10-08 12:40 → 16:50 UTC · NBIS.json
depth = USD resting within ±25 bps of mid · slip = $25k market order through the book, avg fill vs mid, buy/sell mean · med = this market's median in the snapshot's session
order book replay: no recent order book snapshots
by sessionNew York time · medians over 41 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 | 1,648 | 2.46 | 4.37 | $322k | 7.35 | 11.31 | 51% | 8% | ||||
| US extended 4–9:30, 16–20 | 2,362 | 2.06 | 3.19 | $94k | 8.43 | 15.96 | 11% | 1% | ||||
| Overnight 20–4 | 1,595 | 2.04 | 2.99 | $101k | 8.48 | 12.67 | 13% | 0% | ||||
| Weekend / holiday | 2,968 | 1.78 | 2.95 | $36k | 9.19 | 156.61 | 4% | 3% |
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
history9 market changes to io:NBIS observed in the changelog · newest first
- 2026-09-24 16:28margin table10 → 15marginTableId observed changing from 10 to 15
- 2026-09-24 16:28max leverage10× ↑ 15×maxLeverage observed changing from 10 to 15
- 2026-09-07 15:28OI cap$10.0M ↑ $15.0MoiCap observed changing from $10M to $15M
- 2026-09-03 21:45OI cap$8.0M ↑ $10.0MoiCap observed changing from $8M to $10M
- 2026-09-03 19:45OI cap$5.0M ↑ $8.0MoiCap observed changing from $5M to $8M
- 2026-08-28 18:46listedannounced → trading gap 8.0htrading enabled, announced 2026-08-25 · OI cap $5M · 10× max · growth mode on · marginTableId 10 · szDecimals 2 · fundingMultiplier 0.5
- 2026-08-28 10:46margin table20 → 10marginTableId observed changing from 20 to 10
- 2026-08-28 10:46max leverage20× ↓ 10×maxLeverage observed changing from 20 to 10
- 2026-08-25 23:46announced— → announcedmarket announced, trading not enabled
Plus 12 funding-parameter changes on 12 days, not listed here: show them in the changelog.
observed = first collector snapshot showing the new value, UTC; the change happened between the previous snapshot and that one announced = the market appeared with trading disabled; listed = trading enabled; trading halt = off and back within 48 h, before → after = mark either side full changelog atom feed
8,573 snapshots · 2026-08-28 18:47 → 2026-10-08 16:20 UTC (40.9 days) · size decimals 2 · raw: /api/io/NBIS.json · method and caveats: methodology