Assembling the screener…
Roundhill Memory ETF — US reference DRAM
| Venue | Wrapper | Instrument | Live price | Basis vs close | Depth ±10bps | AUM / OI | TE 30d | Corp action |
|---|---|---|---|---|---|---|---|---|
| ostiumarbitrum | perp | DRAM-USD | $391.66 | STALE REF-41.4 bps | no book | OI pending | 36.0 bps | clean |
| variationalarbitrum | perp | DRAM | $391.72 | STALE REF-40.0 bps | no book | OI pending | 67.5 bps | clean |
| asterbnb | perp | DRAM | $393.36 | STALE REF+1.7 bps | no book | OI pending | 62.4 bps | clean |
| hlhyperliquid | perp | DRAM | $393.23 | STALE REF-1.6 bps | $154K / $429K | OI pending | 25.2 bps | clean |
Depth from real book snapshots; AUM measured as on-chain supply × live price; per-venue 24h volume and perp OI await their rollup endpoints — shown as gaps, never guessed. Rankings never use venue-reported volume.
| Venue | ±5 | ±10 | ±25 | ±50 | Imbalance |
|---|---|---|---|---|---|
| hl | $10K / $402K | $154K / $429K | $569K / $1.3M | $812K / $1.9M | -0.410 |
1s derived book metrics (bid / ask cumulative notional). Liquidity-over-time series endpoint is pending — latest snapshot shown, timestamped 2026-07-03 18:48:28 UTC.
| row / col | aster | hl | ostium | variational |
|---|---|---|---|---|
| aster | — | +3.3 | +43.4 | +41.9 |
| hl | -3.3 | — | +40.1 | +38.5 |
| ostium | -43.2 | -39.9 | — | -1.5 |
| variational | -41.7 | -38.4 | +1.5 | — |
No corporate actions on record.
No reference splits or supply events detected for this name in the captured window. When one lands, every venue's handling gets a verdict.
No spot flows.
Mint/burn flows exist only for spot-backed tokens — this name has none, or no transfers captured yet.
| Session | Predicted | Actual open | Error (bps) | Predicted gap | Actual gap | Direction |
|---|---|---|---|---|---|---|
| 2026-06-29 | $389.62 | $390.23 | -15.5 | +13.6 | +29.2 | hit |
| 2026-06-22 | $392.57 | $394.42 | -46.7 | -119.6 | -73.3 | hit |
| 2026-06-15 | $391.59 | $392.80 | -30.8 | -3.6 | +27.3 | miss |
| 2026-06-08 | $396.34 | $396.23 | +2.7 | +2.5 | -0.2 | miss |
| 2026-06-01 | $393.93 | $394.20 | -6.8 | +24.9 | +31.7 | hit |
| 2026-05-25 | $395.62 | $397.97 | -59.0 | -43.0 | +16.0 | miss |