Pre-market 2026-09-29: the chain vs the open
How far each US stock and ETF perp on Hyperliquid's EntropyIO (io) deployer moved on-chain between the 2026-09-28 close and 04:00 and 09:00 ET on 2026-09-29, 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 |
|---|---|---|---|---|---|---|---|---|
| NBISus equity | us equity | +0.55%✓ | +1.54%✓ | +2.08% / -1.62% | +1.87% | 09:00 78% of 1804:00 81% of 16 | $1.2M | |
| EWYus etf | us etf | +0.86%✓ | +1.19%✓ | +1.46% / -0.58% | +1.42% | 09:00 n=6 (<15)04:00 n=5 (<15) | $295k | |
| SNDKus equity | us equity | +1.10%✓ | +0.92%✓ | +1.92% / -1.52% | +1.26% | 09:00 81% of 2104:00 90% of 20 | $13.1M | |
| IONQus equity | us equity | +0.02%· · 14m old | +0.48%✓ · 30m old | +1.78% / -1.75% | +1.26% | 09:00 n=10 (<15)04:00 n=10 (<15) | $40k | |
| GPROus equity | us equity | -2.08%· · 20m old | +0.08%· · 26m old | +1.02% / -3.75% | -0.02% | 09:00 81% of 1604:00 56% of 16 | $90k |
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 65 symbol-nights xyz also lists, it was within 0.05 pp of xyz's (median) and went the same way 61 of 62 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 · 2026-09-29
One night is a small sample; the running record is on the scorecard, which describes past nights and is not a forecast. Data: 2026-09-29.json · definitions and caveats in methodology.