CSI 300 (000300.SHG) — chart, structure and Closelook read

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Company snapshot — CSI 300

000300.SHG in five paragraphs: what it makes and sells, where it sits in the Closelook stack, who it is priced against, why we track it, what we watch. Research diary, not advice.

What it does
The CSI 300 is a stock market index that tracks the 300 largest and most liquid companies listed on the Shanghai and Shenzhen exchanges, weighted by free-float market value. It serves as the standard benchmark for mainland Chinese equities and underlies a wide range of funds and derivatives.
Where it sits in the stack
The CSI 300 sits outside Rubin, our AI build-out index; it belongs to no layer or sleeve we track for the build-out and instead stands as a broad benchmark for mainland Chinese equities in general.
Who it is priced against
It is most often compared with the Shanghai Composite, the other widely quoted gauge of mainland market performance.
Why Closelook tracks it
The CSI 300 carries no Closelook index seat, no score and no peer group in the diary; it has not appeared in our editions or been quoted there.
What the diary watches
The diary watches whether the index moves back above its recent moving averages, since that would mark a shift away from the current decline rather than a continuation of it.

CSI 300 (000300.SHG) trades on the INDX exchange in China.

Written from the company’s public profile and Closelook’s own readings, 2026-09-17. Descriptive, refreshed with the registry; corrections welcome via the imprint. closelook.net is an investment research diary — market structure, index membership and scores are our own readings, not investment advice. Related: index compare · sector dispersion · scanner.

Signals for this name

Every Closelook reading that exists for 000300.SHG, from the same nightly bakes the boards use. Research diary readings, not advice.

Weather around the name 3 macro readings: Money Temperature, Factor regime, Sovereign pressure

The weather around this name

Macro readings that apply by membership — the regime, the factor tape, the sector cell, the funding backdrop.

  • Money Temperature Composite 55/100 · S&P 500 fund at 58, above its 50- and 200-day averagesEight instruments scored on position, momentum, volume, volatility and fragility — the regime every name trades inside. Temperature lab → 2026-09-17
  • Factor regime Momentum leading — risk appetite buildingMomentum against low volatility (SPMO / SPLV): above its 50-day trend, 94th percentile of the window, +2.7% over 20 sessions. Factor regime → 2026-09-17
  • Sovereign pressure Index 0.00 · down 0.41 over 21 sessionsG7 long-end yields, 10s30s and the slope — the funding weather for every balance sheet on this site. Sovereign pressure → 2026-09-17

FAQ · from the current data · as of 2026-09-18

Quick answers

What is CSI 300 (000300.SHG)?

CSI 300 trades as 000300.SHG on the INDX exchange (China) in the Closelook research universe, as of the registry build of 2026-09-18.

Is 000300.SHG in a Closelook index?

Not currently — CSI 300 is tracked in the Closelook research universe but is not a constituent of a Closelook functional index as of 2026-09-18.

Where does 000300.SHG trade against its moving averages?

Downtrend stack: Trades -3.3% vs the 50-day and -4.9% vs the 200-day average, 11.9% below the 52-week high and +3.1% off the 52-week low; a death cross printed 12 sessions ago. Computed from daily closes. As of 2026-09-17 — a technical state from the nightly Closelook bake, not advice. The Technical tab carries the full row.

What does CSI 300 do?

The CSI 300 is a stock market index that tracks the 300 largest and most liquid companies listed on the Shanghai and Shenzhen exchanges, weighted by free-float market value. It serves as the standard benchmark for mainland Chinese equities and underlies a wide range of funds and derivatives. It is most often compared with the Shanghai Composite, the other widely quoted gauge of mainland market performance.

Where does CSI 300 sit in the AI build-out?

The CSI 300 sits outside Rubin, our AI build-out index; it belongs to no layer or sleeve we track for the build-out and instead stands as a broad benchmark for mainland Chinese equities in general. The CSI 300 carries no Closelook index seat, no score and no peer group in the diary; it has not appeared in our editions or been quoted there.

What does this page show?

A live price chart with SMA overlays and drawing tools for 000300.SHG, performance metrics, index-membership context and the Closelook structure read — an investment research diary view, not investment advice.