Market research · US catalogue
Biotechnology
Compare sectors, industries and selected themes using completed trading sessions. These are equal-weight baskets of current members, with coverage and sources shown alongside the returns.
NYSE calendar · USD · provider-adjusted closes
Reason: missing requested date
Basket evidence
| Group | Return | vs SPY | Coverage | Up / down / flat | Volume ratio |
|---|---|---|---|---|---|
| Biotechnologyunavailable | Unavailable | Unavailable | 0 / 0 | 0 / 0 / 0 | Unavailable 0 usable |
Breadth and contribution
0 same-date companies; equal initial weight Unavailable per covered member.
Contribution data unavailable.
Top-five absolute contribution share: Unavailable. This describes return contributions, not market-cap concentration or money flow.
Highest returns
Unavailable
Lowest returns
Unavailable
Members and visible sources
How to read this
Daily, weekly and monthly mean 1, 5 and 21 completed NYSE trading sessions. Returns use Yahoo provider-adjusted closes at both exact endpoints from one accepted retrieval vintage. Missing adjusted prices are unavailable; raw closes and latest snapshots are not substitutes.
Basket return is the mean of covered current members’ returns. The SPY comparison is a difference in percentage points, with the same dates, currency and price basis. SPY is an ETF proxy, not a reconstructed official index.
Volume compares the completed end session with the previous 20 comparable completed sessions for the same usable companies. Missing volumes, split events, mixed retrievals or different session durations make it unavailable. This is not money flow.
Sector names use transparent internal normalization, not licensed GICS. Legacy catalogue classifications have an unknown provider observation date. Primary theme sources describe selected current business roles; their review date is not a membership effective date.
NYSE calendar source · View dated JSON