On 2026-08-10, Costco (COST) closed at 952.75 USD, up 0.52% on the day. Its 20-day return of +2.84% is in the 60th percentile. It trades at 43.1% of its 52-week range. Its RSI(14) of 52.01 is in the 47th percentile of its history since 1986. Its 20/50/200-day moving averages are 943.5 / 950.61 / 958.16 USD, with price +0.98% / +0.22% / -0.56% against them. Its 52-week range is 844.06–1096.5 USD; it closed 13.11% below the high and 12.88% above the low. Its 20-day volatility is 1.132% daily, in the 28th percentile of its history since 1986. Its 14-day average true range (ATR) is 19.09 USD, 2.00% of price. It has returned -0.14% over 5 days and -7.78% over 60 days. Against the S&P 500, its weekly-return beta -0.03 / correlation -0.02 (52-week); beta -0.18 / correlation -0.14 (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 2026-08-10, prior 2026-08-07)
close 952.75
change +4.93 (+0.520%)
range (as of 2026-08-10)
range 12.32
close pos 98.9% of range
moving averages (as of 2026-08-10)
20d MA 943.50 price above by +0.98%
50d MA 950.61 price above by +0.22%
200d MA 958.16 price below by -0.56%
price mixed vs MAs
stack: 200d > 50d > 20d
volatility (as of 2026-08-10)
20d stdev 1.132% daily ≈ 18.0% annualized (×√252) (28th pct of own history, since 1986 (10079 obs))
vs easing-2024 avg 0.88× (1.132% vs 1.288% era avg)
ATR (as of 2026-08-10)
ATR(14) 19.09
ATR% 2.00% (40th pct of own history, since 1986 (10085 obs))
range/ATR 64.6%
relative volume (as of 2026-08-10)
RVOL 0.65x (today vs 20-day average volume)
pctile 20th pct of own history, since 1986 (10079 obs)
52-week range (as of 2026-08-10)
high 1096.50 (-13.11% from high)
low 844.06 (+12.88% from low)
momentum (as of 2026-08-10)
RSI(14) 52.01 (47th pct of own history, since 1986 (10085 obs))
returns (as of 2026-08-10)
5d return -0.14%
20d return +2.84%
60d return -7.78%
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 1.2881%
real-yield sensitivity (weekly returns vs weekly Δ in 10Y TIPS real yield, DFII10) (as of 2026-08-07)
vs real yield (Δ) -0.01 (26w)
vs real yield (Δ) -0.14 (52w)
S&P 500 market factor (weekly returns) (as of 2026-08-10)
vs S&P 500 beta -0.18 corr -0.14 (26w)
vs S&P 500 beta -0.03 corr -0.02 (52w)
earnings horizon
next earnings 2026-09-24 (45 days)