para:ANSEMother / unreviewed · growth mode off · 3× max
Over 44 days of 20-level order-book snapshots, para:ANSEM quoted a median spread of 61.40 bps in US regular hours with $0 resting within 25 bps of mid. A $25k market order paid about 170.33 bps in regular hours and 156.81 bps on weekends, when depth within 25 bps fell to $0. Taker fee is 6.75 bps; funding averaged +158.51% annualised over the last 30 days.
order book replay48 snapshots · 2026-10-08 12:56 → 16:51 UTC · ANSEM.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 44 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 | 1,787 | 61.40 | 121.68 | $0 | 170.33 | — | 0% | 0% | ||||
| US extended 4–9:30, 16–20 | 2,601 | 58.25 | 121.12 | $0 | 206.13 | — | 0% | 0% | ||||
| Overnight 20–4 | 1,841 | 62.91 | 123.83 | $0 | 126.61 | — | 0% | 0% | ||||
| Weekend / holiday | 2,913 | 51.55 | 103.30 | $0 | 156.81 | — | 0% | 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
history5 market changes to para:ANSEM observed in the changelog · newest first
- 2026-08-25 22:46listedannounced → trading gap 8.0htrading enabled, announced 2026-08-16 · OI cap $5M · 3× max · growth mode off · marginTableId 3 · szDecimals 0 · fundingMultiplier 0.6
- 2026-08-25 22:46OI cap$25.0M ↓ $5.0M gap 8.0hoiCap observed changing from $25M to $5M
- 2026-08-23 14:46fee scale1.0 ↓ 0.5deployerFeeScale observed changing from 1.0 to 0.5
- 2026-08-23 14:46OI cap— → $25.0MoiCap observed changing from unknown to $25M
- 2026-08-16 23:46announced— → announcedmarket announced, trading not enabled
Plus 1 funding-parameter change on 1 day, 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
9,142 snapshots · 2026-08-25 22:47 → 2026-10-08 16:21 UTC (43.7 days) · size decimals 0 · raw: /api/para/ANSEM.json · method and caveats: methodology