On 2026-08-07, Costco (COST) closed at 947.82 USD, down 0.14% on the day. Its 20-day return of +3.45% is in the 63rd percentile. Its RSI(14) of 49.82 is in the 40th percentile of its history since 1986. It trades at 41.1% of its 52-week range. Its 20/50/200-day moving averages are 942.19 / 951.46 / 958.09 USD, with price +0.60% / -0.38% / -1.07% against them. Its 52-week range is 844.06–1096.5 USD; it closed 13.56% below the high and 12.29% above the low. Its 20-day volatility is 1.150% daily, in the 30th percentile of its history since 1986. Its 14-day average true range (ATR) is 19.61 USD, 2.07% of price. It has returned -0.43% over 5 days and -7.25% over 60 days. Against the S&P 500, its weekly-return beta -0.04 / correlation -0.02 (52-week); beta -0.20 / correlation -0.16 (26-week). Its weekly-return correlation to the change in the US 10-year TIPS real yield is -0.14 (52-week); -0.01 (26-week). Next earnings are scheduled for 2026-09-24.
=== COSTCO (COST) (USD) ===
price & change (as of 2026-08-07, prior 2026-08-06)
close 947.82
change -1.33 (-0.140%)
range (as of 2026-08-07)
range 12.28
close pos 84.0% of range
moving averages (as of 2026-08-07)
20d MA 942.19 price above by +0.60%
50d MA 951.46 price below by -0.38%
200d MA 958.09 price below by -1.07%
price mixed vs MAs
stack: 200d > 50d > 20d
volatility (as of 2026-08-07)
20d stdev 1.150% daily ≈ 18.3% annualized (×√252) (30th pct of own history, since 1986 (10078 obs))
vs easing-2024 avg 0.89× (1.150% vs 1.289% era avg)
ATR (as of 2026-08-07)
ATR(14) 19.61
ATR% 2.07% (42nd pct of own history, since 1986 (10084 obs))
range/ATR 62.6%
relative volume (as of 2026-08-07)
RVOL 0.72x (today vs 20-day average volume)
pctile 28th pct of own history, since 1986 (10078 obs)
52-week range (as of 2026-08-07)
high 1096.50 (-13.56% from high)
low 844.06 (+12.29% from low)
momentum (as of 2026-08-07)
RSI(14) 49.82 (40th pct of own history, since 1986 (10084 obs))
returns (as of 2026-08-07)
5d return -0.43%
20d return +3.45%
60d return -7.25%
volatility by rate-era
pre-crisis 2.3285% (from 1986-07-09)
ZIRP-2009 1.2279%
tightening-2015 1.2566%
ZIRP-2019 1.3913%
tightening-2022 1.6389%
easing-2024 1.2890%
real-yield sensitivity (weekly returns vs weekly Δ in 10Y TIPS real yield, DFII10) (as of 2026-08-06)
vs real yield (Δ) -0.01 (26w)
vs real yield (Δ) -0.14 (52w)
S&P 500 market factor (weekly returns) (as of 2026-08-07)
vs S&P 500 beta -0.20 corr -0.16 (26w)
vs S&P 500 beta -0.04 corr -0.02 (52w)
earnings horizon
next earnings 2026-09-24 (48 days)