Pre-market 2026-10-12: the chain vs the open
How far each US stock and ETF perp on Hyperliquid's EntropyIO (io) deployer moved on-chain between the 2026-10-09 close and 04:00 and 09:00 ET on 2026-10-12, and whether the real opening gap went the same way.
| market | class | 04:00 call | 09:00 call | high / low | path · close → 09:30 | real gap | right before · ±0.10% | volume |
|---|---|---|---|---|---|---|---|---|
| IONQus equity | us equity | +0.17%✗ · 14m old | -2.69%✓ | +1.01% / -4.57% | -3.54% | 09:00 89% of 1804:00 87% of 15 | $153k | |
| NBISus equity | us equity | +0.52%✗ | -2.58%✓ | +2.01% / -3.51% | -3.82% | 09:00 81% of 2604:00 79% of 24 | $6.4M | |
| EWYus etf | us etf | -1.18%✓ · 8m old | -2.31%✓ · 8m old | +0.82% / -2.40% | -2.75% | 09:00 n=14 (<15)04:00 n=13 (<15) | $968k | |
| SNDKus equity | us equity | -1.18%✓ | -1.86%✓ | +2.27% / -2.68% | -3.65% | 09:00 85% of 2704:00 85% of 26 | $63.8M | |
| GPROus equity | us equity | -0.55%✓ | -0.93%✓ · 6m old | +1.76% / -1.26% | -0.87% | 09:00 74% of 1904:00 59% of 22 | $51k |
04:00 call = last 1-minute candle close before 04:00 ET vs the candle close in the last minute of the previous session (15:59 ET, 12:59 on half days) 09:00 call = the same at 09:00 ET "12m old" = the candle used closed that long before the target minute (shown above 5 min; older than 30 min is excluded from every rate) ✓ same direction as the real gap, ✗ opposite, and · inside the 0.10% dead band (not scored) high / low = extremes of 1-minute highs and lows while the market was closed, same base path = candle close every 15 minutes from the previous close to 09:30 ET, scale per row, centre line = previous close, ticks = 04:00 and 09:00, dashed = no candle in between real gap = oracle price at 09:30 ET vs at the previous close, on io's own oracle; on the 74 symbol-nights xyz also lists, it was within 0.05 pp of xyz's (median) and went the same way 70 of 71 times right before = this symbol's past nights with the same 0.10% band, shown from n=15 volume = sum of 1-minute base volume × close in the window, approximate definitions in methodology
call vs open · 2026-10-12
One night is a small sample; the running record is on the scorecard, which describes past nights and is not a forecast. Data: 2026-10-12.json · definitions and caveats in methodology.