SOFTBANK

Leg	Exchange	Price	Fund. /8h	Each payment	Next in	OI	Vol 24h	Lev
LONG	PopdexSOFTBANKUSDT	41.000	+0.0048	pay 0.0006% / 1h	1m 44s	$393K	$1.0M	20x	Long Popdex
SHORT	HTXSOFTBANK-USDT	40.848	0	0.0000% / 1h	1m 44s	$5K	$182K	20x	Short HTX

Price gap−0.371%

Funding gap−0.0048% /8h

Both sides work against this direction now: funding costs $1 a day on $10k and the gap is 0.265% under its 7d average. Swap the legs.

If you open now and hold

on $10k a leg · figures of the last 7D, not a forecast

Funding−$12−0.0048% /8h now · paid −0.125% over the last 6 days (all we have)

Price−$27spread −0.371% now, avg −0.106% → −0.265% if it goes back

Costsdoesn’t fit$10k a leg is deeper than the books hold

Result, before costs−$39−0.39%no pointscosts unknown: book too thin at $10k · What the last 7D really paid, hour by hour → backtest

Funding history

you earnyou payavg

RANGE STATS · 7D

Average /8h—

Highest—

Lowest—

Paid you—

Short leg rate minus long leg rate, per 8h. Above zero: the pair pays you.

Price spread between the two exchanges

HTX price against Popdexnow

RANGE STATS · 7D

Now−0.371%

Average—

Range—

Wider than now—

Where the spread has been, last 7D

share of time at each level

Funding on every exchange

/8h

SOFTBANK on 6 exchanges

lowest funding first

Before you open

1 ok · 4 to watch

Problem: Doesn’t fit the books—
$10k a leg is deeper than HTX’s order book right now.
Note: Margin at max leverage$500 + $500
Popdex 20x, HTX 20x. Keep about 2× this so a sharp move doesn’t liquidate one leg.
OK: Same payment interval1h / 1h
Both legs pay at the same time.
Next 24h at the current rates, on $10k a leg: −$1.44Long Popdex: 24 payments, −$1.44; short HTX: 24 payments, $0.00.
Watch: Gap narrower than usual−0.371% vs −0.106%
Less room for the price leg to pay you. If it goes back to average, the short loses.
Watch: Short leg is thinner$5K vs $393K OI
HTX sets your exit cost. Check its book before closing.
Note: No points program—
Neither exchange runs points right now.
Watch: KYCPopdex No · HTX Limited
No ID for accounts opened since 2026-03-30: futures up to 5x and no API trading; more leverage and the API need level-2 KYC.

Profit calculator

both legs, in and out

Position, each leg

Hold for

Orders

Price spread

Funding rate

Funding earned−0.0070%/8h × 21 periods−$14.77

Price spread−0.371% → −0.106% (7d avg)−$26.52

Slippage, 4 ordersdoesn’t fit the book at $10k—

Fee Popdex bp × 2 orders−$6.40

Fee HTX bp × 2 orders−$12.00

Net · 7 days · $10k—

doesn’t fit the books at $10k

Costs to cover—Break-even—

Slippage: Popdex: live order book, 2 min ago; HTX: live order book, 16 min ago

Cost to enter

taker + slippage from mid, one side

BUY · LONGPopdex7.3275.4 bp−$7577.9 bp−$779doesn’t fitdoesn’t fit

SELL · SHORTHTX90.43doesn’t fitdoesn’t fitdoesn’t fitdoesn’t fit

Closing costs about the same again.