RLUSD / API3 ratio and spread
1 RLUSD = 2.657 API3. Below is the price ratio chart and the regression spread z-score. Hedge ratio β is -0.001 and the correlation between the legs is -0.08.
If you hold RLUSD · If you hold API3
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Key numbers
over 258 daily candles
How each of these is computed: regression spread, hedge ratio, spread z-score, half-life, correlation.
What the numbers say
The fitted hedge ratio is negative: over the window RLUSD and API3 moved in opposite directions. A pair trade assumes the legs move together, so this combination does not qualify as one.
The spread is at -0.80 standard deviations from its rolling mean, which is effectively at its own norm.
Historically the spread covers half the way back to its mean in about 6 days, so a divergence here tends to resolve within weeks rather than months.
The current ratio sits mid-range — 21% of the way from the low to the high of the last 258 daily candles.
Frequently asked
How many API3 is 1 RLUSD?
1 RLUSD is worth 2.65728 API3 at the latest exchange quotes. The figure is the ratio of the two USDT prices and updates every minute.
What is the RLUSD/API3 range?
Over the last 258 daily candles the ratio traded between 1.96657 (25.04.2026) and 5.27781 (13.08.2026).
Are RLUSD and API3 correlated?
The correlation of daily log returns between RLUSD and API3 is -0.08, which counts as a weak link. Log returns are used rather than prices: two rising assets correlate almost by default, joint day-to-day movement is what matters.
What is the RLUSD/API3 spread z-score now?
The z-score is -0.80 — the spread is within its usual range. It measures how far the regression residual log(A) − β·log(B) sits from its rolling mean, in standard deviations.
Is RLUSD/API3 suitable for a pair trade?
No. The fitted hedge ratio is negative, meaning the legs moved in opposite directions over the window — the market-neutral construction that pair trading relies on does not hold here.
Related pairs
Other pairs sharing a leg with this one.
All figures are computed from exchange data and describe past behaviour. Nothing here is investment advice.