Market liquidity: Ample

How US sectors performed when liquidity was ample

Since Jan 3, 1983, the record reads this regime on 44.6% of trading days, across 199 episodes with a typical run of 14 sessions. Across those sessions since Dec 22, 1998, Energy did best at +11.8% a year and Consumer Staples did worst at +4.9%, against +8% for the S&P 500.

Figures as of Sep 23, 2026 · recomputed every trading day

The regime in the record

Share of trading days
44.6%
Separate episodes
199
Typical run
14 sessions
Longest run
204 sessions
Last seen
Sep 23, 2026
Today
In force, since Dec 11

Sector by sector

Annualised mean return on the session after each regime day. Sorted by the regime figure.

AssetIn this regimeAll daysvs S&P 500Up sessionsVolatilitySessions
Energy XLE+11.8%+10.2%+3.5%52%22.9%3,924
Information Technology XLK+11.4%+12.4%+3.1%55%19%3,924
Industrials XLI+10.4%+9.4%+2.1%53%15.9%3,924
Consumer Discretionary XLY+9.9%+10.4%+1.6%54%17.3%3,924
Financials XLF+9.5%+7.8%+1.2%52%17.9%3,924
Materials XLB+7.7%+8.5%-0.6%52%18.1%3,924
Health Care XLV+7.1%+8.5%-1.2%52%14.1%3,924
Utilities XLU+5.8%+5.4%-2.6%53%14.7%3,924
Consumer Staples XLP+4.9%+5.3%-3.4%52%11.9%3,924
Real Estate XLREsince 2015+3.1%+5%-3.9%53%16.6%1,767
Communication Services XLCsince 2018-5.9%+12.3%-10.2%52%20%1,231

Context

AssetIn this regimeAll daysvs S&P 500Up sessionsVolatilitySessions
S&P 500 SPY+8%+10.2%—54%13.5%4,492
Nasdaq 100 QQQsince 1999+11.7%+13.4%+3.4%55%18.8%3,924
Russell 2000 IWMsince 2000+9.2%+9.8%+1.1%53%18.5%3,882
Long Treasuries TLTsince 2002-1.8%+1%-10.8%51%12.6%3,819
Gold GLDsince 2004+7.8%+11.7%-0.5%53%16.8%3,488

How this regime is defined

Market liquidity reads Ample in the daily regime record.

Method and limits

Descriptive statistics over the published regime record — not a backtest, a forecast or advice. Each regime day is credited with the NEXT session's return, so a regime never earns the move that revealed it. Returns are ETF price returns (dividends excluded), annualised as 252 × the mean session return; volatility likewise. Sector funds start in December 1998 (Real Estate in 2015, Communication Services in 2018); the regime record starts in 1980. Labels are the engine's as currently published and are recomputed when its method improves. A figure with fewer than 60 sessions is not shown.

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Questions

Which sectors did best when liquidity was ample?
Energy +11.8%, Information Technology +11.4%, Industrials +10.4%. Annualised mean next-session returns since Dec 22, 1998; the S&P 500 returned +8%.
How common is this regime, and how long does it last?
It appears on 44.6% of trading days since 1983, in 199 separate episodes. The typical run is 14 sessions; the longest lasted 204 sessions.
Is this regime in force today?
Yes — in force since Dec 11, 2025. The daily nine-axis reading is on the Regime Radar.
Is this a backtest?
No. It describes how assets behaved on the session after each day the regime was read, with no portfolio, costs or selection. A backtest would test a rule; this records a history.