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para:RDDTus equity · growth mode on · 10× max

Over 64 days of 20-level order-book snapshots, para:RDDT quoted a median spread of 6.66 bps in US regular hours with $40k resting within 25 bps of mid. A $25k market order paid about 19.87 bps in regular hours and 54.91 bps on weekends, when depth within 25 bps fell to $10k. Taker fee is 0.90 bps with growth mode on; funding averaged +1.07% annualised over the last 30 days.

156.105last mid · 2026-10-08 16:21 UTC
—next session —
spread · rth
6.66 bps
median · p90 38.06 bps
depth ±25bps · rth
$40k
median, both sides
$25k slip · rth
19.87 bps
fills 87%
$25k slip · wknd
54.91 bps
fills 81%
taker fee
0.90 bps
fee scale 1.0 · growth mode on
funding apr · 30d
+1.07%
longs pay when positive · 7d -27.66%
vol 24h · 30d avg
$30k
notional
open interest
$87k
both sides · 2026-10-08

order book replay48 snapshots · 2026-10-08 12:51 → 16:51 UTC · RDDT.json

para:RDDT replay 2026-10-08 12:51 → 16:51 UTC snapshot –/48
spread
–bps
session med –
depth ±25 bps
$–
session med –
$25k mkt slip
–bps
session med –

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

–48 snapshots–
bar height = depth ±25 bps

order book replay: no recent order book snapshots

by sessionNew York time · medians over 64 days

sessionsnapsspreadp90topdepth ±10depth ±25depth ±50$5k$25k$100k$100k fills$250k fills
US regular 9:30–16:002,7476.6638.06$34$133$40k$76k17.6919.8790.7665%0%
US extended 4–9:30, 16–203,99320.7958.14$291$0$20k$49k28.4834.05120.0967%0%
Overnight 20–42,77313.8657.94$30$42$15k$40k28.7040.17159.7958%0%
Weekend / holiday4,77929.7567.88$10k$0$10k$21k32.7754.91181.6257%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

median bps over mid vs order size · a line ends where the size stops filling in the median snapshot

hour of week

New York time · median per cell over 64 days · brighter = better · the breathing cell is now

weekly · spread

median bps, all sessions

weekly · depth ±25 bps

median USD both sides, all sessions
cost calculator

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

history3 market changes to para:RDDT observed in the changelog · newest first

  • 2026-08-05 12:52listedannounced → tradingtrading enabled, announced 2026-08-02 · OI cap $25M · 10× max · growth mode on · marginTableId 10 · szDecimals 2 · fundingMultiplier 0.6
  • 2026-08-03 15:52OI cap— → $25.0MoiCap observed changing from unknown to $25M
  • 2026-08-02 19:52announced— → 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

14,292 snapshots · 2026-08-05 12:54 → 2026-10-08 16:21 UTC (64.1 days) · size decimals 2 · raw: /api/para/RDDT.json · method and caveats: methodology

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