para:SMCIus equity · growth mode on · 10× max
Over 55 days of 20-level order-book snapshots, para:SMCI quoted a median spread of 37.74 bps in US regular hours with $47k resting within 25 bps of mid. A $25k market order paid about 21.05 bps in regular hours and 60.45 bps on weekends, when depth within 25 bps fell to $0. Taker fee is 0.90 bps with growth mode on; funding averaged +23.54% annualised over the last 30 days.
order book replay48 snapshots · 2026-10-08 12:51 → 16:51 UTC · SMCI.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 55 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 | 2,246 | 37.74 | 38.14 | $47k | 21.05 | 70.76 | 95% | 9% | ||||
| US extended 4–9:30, 16–20 | 3,233 | 57.66 | 58.12 | $0 | 31.46 | 98.15 | 91% | 6% | ||||
| Overnight 20–4 | 2,256 | 57.46 | 58.08 | $0 | 31.95 | 117.82 | 97% | 13% | ||||
| Weekend / holiday | 4,163 | 64.82 | 68.10 | $0 | 60.45 | 187.90 | 96% | 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
history2 market changes to para:SMCI observed in the changelog · newest first
- 2026-08-14 12:56listedannounced → tradingtrading enabled, announced 2026-08-13 · OI cap $25M · 10× max · growth mode on · marginTableId 10 · szDecimals 2 · fundingMultiplier 0.6
- 2026-08-13 03:52announced— → announcedmarket announced, trading not enabled
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
11,898 snapshots · 2026-08-14 12:57 → 2026-10-08 16:21 UTC (55.1 days) · size decimals 2 · raw: /api/para/SMCI.json · method and caveats: methodology