SEMYhistorical intraday data
ListedGraniteShares YieldBOOST Semiconductor ETFNasdaq
GraniteShares YieldBOOST Semiconductor ETF (SEMY) is an exchange-traded fund listed on Nasdaq. SEMY has 244 trading days on file, from November 18, 2025 to November 9, 2026, with 395,071 trades. There are 38,587 1-minute bars on file.
On file
- First day
- 2025-11-18
- Last day
- 2026-11-09
- Trading days
- 244
- Trades
- 395,071
- 1-minute bars
- 38,587
- Bars, about
- 590 KB
- Trades, about
- 5.4 MB
- Quotes, about
- 18 MB
Sizes are approximate: this ticker’s share of the Parquet files.
Trading history
Symbols get reused, so the history under SEMY is not always one company.
Sample rows
| Time (ET) | Open | High | Low | Close | Volume | Trades |
|---|---|---|---|---|---|---|
| 09:30 | 10.4 | 10.4 | 10.4 | 10.4 | 3,769.240373 | 21 |
| 09:37 | 10.4 | 10.4 | 10.4 | 10.4 | 111 | 3 |
| 09:46 | 10.43 | 10.433 | 10.43 | 10.433 | 2,006 | 3 |
| 09:53 | 10.46 | 10.46 | 10.46 | 10.46 | 6,462 | 25 |
| 09:54 | 10.46 | 10.47 | 10.46 | 10.47 | 4,924.331 | 16 |
SEMY by year
| Year | Trading days on file | Trades |
|---|---|---|
| 2025 | 30 | 19,168 |
| 2026 | 214 | 375,903 |